Espen Alexander F. Ihlen
About
Bakgrunn og aktiviteter
Espen A. F. Ihlen is associate Professor at Department of Neuromedicine and Human Movement Science (INB). He has background in Human Movement Science, Informatics, Mathematics, and Physics. His main interest is application of machine learning and artificial intelligence (AI) in clinical movement analysis.
Education
- Bachelor in Human Movement Science (1999-2003)
- Master in Human Movement Science (2003-2007)
- PhD in clinical medicine (2009-2014)
Research
- Signalprocessing of human movement and activity data
- Machine learning used in prediction models and risk assessments of movement related problems
- Non-linear time series analyses focusing on:
- Hilbert spectral analyses
- Wavelet analyses and decompositions
- Multifractal analyses
- Multiplicative cascading processes
- Lyapunov stability
- Fractional stability
- Application of analyses and models to movements of older adults and infants at risk of motor disorders
Projects
- DeepInMotion: Explainable artificial intelligent system to discover new infant movement biomarkers for early detection of disease (project period 2021-2025)
- PROMISE: Early diagnosis and intervention in infants at risk of motor disability
Teaching assignments
- Introduction to signal processing in Matlab (BEV3201)
- Biomechanics (BEV2005)
- Measurement of physical activity (BEV2101)
Publications
2022
-
Groos, Daniel;
Adde, Lars;
Aubert, Sindre Aarnes;
Boswell, Lynn;
De Regnier, Raye-Ann;
Fjørtoft, Toril Larsson.
(2022)
Development and Validation of a Deep Learning Method to Predict Cerebral Palsy from Spontaneous Movements in Infants at High Risk.
JAMA Network Open
Academic article
-
Groos, Daniel;
Adde, Lars;
Støen, Ragnhild;
Ramampiaro, Heri;
Ihlen, Espen Alexander F..
(2022)
Towards human-level performance on automatic pose estimation of infant spontaneous movements.
Computerized Medical Imaging and Graphics
Academic article
2021
-
Goihl, Tobias;
Ihlen, Espen Alexander F.;
Bardal, Ellen Marie;
Ustad, Astrid;
Roeleveld, Karin;
Brændvik, Siri Merete.
(2021)
Effects of Ankle-Foot Orthoses on acceleration and energy cost of walking in children and adolescents with cerebral palsy.
Prosthetics and orthotics international
Academic article
-
Elfmark, Ola;
Ettema, Gertjan;
Groos, Daniel;
Ihlen, Espen Alexander F.;
Velta, Rune;
Haugen, Per.
(2021)
Performance analysis in ski jumping with a differential global navigation satellite system and video-based pose estimation.
Sensors
Academic article
-
Groos, Daniel;
Adde, Lars;
Støen, Ragnhild;
Ramampiaro, Heri;
Ihlen, Espen Alexander F..
(2021)
New automatic, efficient, and highly precise tracking of infant spontaneous movements.
Developmental Medicine & Child Neurology
Abstract
-
Groos, Daniel;
Adde, Lars;
Aubert, Sindre Aarnes;
Haukeland, Andreas;
Ramampiaro, Heri;
Støen, Ragnhild.
(2021)
Fully automated clinical movement analysis from videos using skeleton-based deep learning.
Gait & Posture
Abstract
-
Adde, Lars;
Brown, Annemette;
van den Broeck, Christine;
DeCoen, Kris;
Eriksen, Beate Horsberg;
Fjørtoft, Toril Larsson.
(2021)
In-Motion-App for remote General Movement Assessment: a multi-site observational study.
BMJ Open
Academic article
-
Awais, Muhammad;
Chiari, Lorenzo;
Ihlen, Espen Alexander F.;
Helbostad, Jorunn L.;
Palmerini, Luca.
(2021)
Classical machine learning versus deep learning for the older adults free-living activity classification.
Sensors
Academic article
2020
-
Groos, Daniel;
Adde, Lars;
Ihlen, Espen Alexander F..
(2020)
Approaching human precision on automatic markerless tracking of human movements.
Gait & Posture
Abstract
-
Bergquist, Ronny;
Nerz, Corinna;
Taraldsen, Kristin;
Mellone, Sabato;
Ihlen, Espen Alexander F.;
Vereijken, Beatrix.
(2020)
Predicting Advanced Balance Ability and Mobility with an Instrumented Timed Up and Go Test.
Sensors
Academic article
-
Groos, Daniel;
Ramampiaro, Heri;
Ihlen, Espen Alexander F..
(2020)
EfficientPose: Scalable single-person pose estimation.
Applied intelligence (Boston)
Academic article
2019
-
Awais, Muhammad;
Chiari, Lorenzo;
Ihlen, Espen Alexander F.;
Helbostad, Jorunn L.;
Palmerini, Luca.
(2019)
Physical Activity Classification for Elderly People in Free-Living Conditions.
IEEE journal of biomedical and health informatics
Academic article
-
Groos, Daniel;
Aurlien, Kristian;
Ramampiaro, Heri;
Ihlen, Espen Alexander F.;
deRegnier, RA;
Peyton, Colleen.
(2019)
Deep Learning‐based infant motion tracking facilitating early detection of cerebral palsy.
Developmental Medicine & Child Neurology
Abstract
-
Støen, Ragnhild;
Boswell, Lynn;
De Regnier, Raye-Ann;
Fjørtoft, Toril Larsson;
Gaebler-Spira, Deborah;
Ihlen, Espen Alexander F..
(2019)
The predictive accuracy of the general movement assessment for cerebral palsy: A prospective, observational study of high-risk infants in a clinical follow-up setting.
Journal of Clinical Medicine
Academic article
-
Ihlen, Espen Alexander F.;
Støen, Ragnhild;
Boswell, Lynn;
de-Regnier, Raye-Ann;
Fjørtoft, Toril Larsson;
Gaebler-Spira, Deborah.
(2019)
Machine Learning of Infant Spontaneous Movements for the Early Prediction of Cerebral Palsy: A Multi-Site Cohort Study.
Journal of Clinical Medicine
Academic article
-
Bourke, Alan;
Ihlen, Espen Alexander Furst;
Helbostad, Jorunn Hege Lægdheim.
(2019)
Validation of the activpal3 in free-living and laboratory scenarios for the measurement of physical activity, stepping, and transitions in older adults.
Journal for the Measurement of Physical Behaviour (JMPB)
Academic article
2018
-
Adde, Lars;
Yang, Hong;
Sæther, Rannei;
Jensenius, Alexander Refsum;
Ihlen, Espen Alexander F.;
Cao, Jia-yan.
(2018)
Characteristics of general movements in preterm infants assessed by computer-based video analysis.
Physiotherapy Theory and Practice
Academic article
-
Bourke, Alan;
Ihlen, Espen Alexander F.;
Helbostad, Jorunn L..
(2018)
Development of a gold-standard method for the identification of sedentary, light and moderate physical activities in older adults: Definitions for video annotation.
Journal of Science and Medicine in Sport
Academic article
-
Wahl, Siri Munch;
Ihlen, Espen Alexander F.;
Serrano, Artur.
(2018)
Test-Retest Reliability of Sit-to-Walk Parameters in Healthy Older Persons as Measured by a Custom-Made Armchair.
NTNU
Masters thesis
-
Ihlen, Espen Alexander F.;
Schooten, K S;
Bruijn, S M;
Dieën, J H;
Vereijken, Beatrix;
Helbostad, Jorunn L..
(2018)
Improved prediction of falls in community-dwelling older adults through phase-dependent entropy of daily-life walking.
Frontiers in Aging Neuroscience
Academic article
2017
-
Ihlen, Espen Alexander F.;
van Schooten, Kimberley S;
Bruijn, Sjoerd M;
Pijnappels, Mirjam;
van Dieen, Jaap H.
(2017)
Fractional stability of trunk acceleration dynamics of daily-life walking: toward a unified concept of gait stability.
Frontiers in Physiology
Academic article
-
Bourke, Alan;
Ihlen, Espen Alexander F.;
Bergquist, Ronny;
Wik, Per Bendik;
Vereijken, Beatrix;
Helbostad, Jorunn L..
(2017)
A physical activity reference data-set recorded from older adults using body-worn inertial sensors and video Technology - The ADAPT study data-set.
Sensors
Academic article
2016
-
Klenk, Jochen;
Schwickert, Lars;
Palmerini, Luca;
Mellone, Sabato;
Bourke, Alan;
Ihlen, Espen Alexander F..
(2016)
The FARSEEING real-world fall repository: a large-scale collaborative database to collect and share sensor signals from real-world falls.
European Review of Aging and Physical Activity
Academic article
-
Bourke, Alan;
Klenk, Jochen;
Schwickert, Lars;
Aminian, Kamiar;
Ihlen, Espen Alexander F.;
Mellone, Sabato.
(2016)
Fall detection algorithms for real-world falls harvested from lumbar sensors in the elderly population: A machine learning approach.
IEEE Engineering in Medicine and Biology Society. Conference Proceedings
Academic article
-
Bourke, Alan;
Ihlen, Espen Alexander F.;
Wik, Per Bendik;
Bergquist, Ronny;
Helbostad, Jorunn L..
(2016)
Validation of the activPAL3 for Measurement of Physical Activity in Older Adults in a Semi-Structured Protocol Using Video Analysis.
Gait & Posture
Abstract
-
Ihlen, Espen Alexander F.;
Hausdorff, Jeffrey M..
(2016)
Nonlinear analysis for human movement variability.
Journal of Biomechanics
Book review
-
Bourke, Alan;
Ihlen, Espen Alexander F.;
Van de Ven, Pepijn W.J.;
Nelson, John;
Helbostad, Jorunn L..
(2016)
Video analysis validation of a real-time physical activity detection algorithm based on a single waist mounted tri-axial accelerometer sensor.
IEEE Engineering in Medicine and Biology Society. Conference Proceedings
Academic article
-
Bårdstu, Hilde;
Ihlen, Espen Alexander F.;
Bardal, Ellen Marie;
Mork, Paul Jarle.
(2016)
Detection of physical activity types with accelerometers in adolescents in free-living settings.
Gait & Posture
Abstract
-
Skjæret-Maroni, Nina;
Vonstad, Elise Klæbo;
Ihlen, Espen Alexander F.;
Tan, Xiang chun;
Helbostad, Jorunn L.;
Vereijken, Beatrix.
(2016)
Exergaming in older adults: Movement characteristics while playing stepping games.
Frontiers in Psychology
Academic article
-
Ihlen, Espen Alexander F.;
Weiss, Aner;
Beck, Yoav;
Helbostad, Jorunn L.;
Hausdorff, Jeffrey M..
(2016)
A comparison study of local dynamic stability measures of daily life walking in older adult community-dwelling fallers and non-fallers.
Journal of Biomechanics
Academic article
-
Ihlen, Espen Alexander F.;
Weiss, Aner;
Bourke, Alan;
Helbostad, Jorunn L.;
Hausdorff, Jeffrey M..
(2016)
The complexity of daily life walking in older adult community-dwelling fallers and non-fallers.
Journal of Biomechanics
Academic article
-
Bardal, Ellen Marie;
Roeleveld, Karin;
Ihlen, Espen Alexander F.;
Mork, Paul Jarle.
(2016)
Micro movements of the upper limb in fibromyalgia: The relation to proprioceptive accuracy and visual feedback.
Journal of Electromyography & Kinesiology
Academic article
-
Awais, Muhammad;
Palmerini, Luca;
Bourke, Alan;
Ihlen, Espen Alexander F.;
Helbostad, Jorunn L.;
Chiari, Lorenzo.
(2016)
Performance Evaluation of State of the Art Systems for Psysical Activity Classification of Older Subjects Using Inertial Sensors in a Real Life Scenario: A Benchmark Study.
Sensors
Academic article
2015
-
Bourke, Alan;
Klenk, Jochen;
Schwickert, Lars;
Aminian, Kamair;
Ihlen, Espen Alexander F.;
Helbostad, Jorunn L..
(2015)
Temporal and kinematic variables for real-world falls harvested from lumbar sensors in the elderly population.
IEEE Engineering in Medicine and Biology Society. Conference Proceedings
Academic article
-
Srulijes, Karin;
Mack, David J;
Klenk, Jochen;
Schwickert, Lars;
Ihlen, Espen Alexander F.;
Schwenk, Michael.
(2015)
Association between vestibulo-ocular reflex suppression, balance, gait, and fall risk in ageing and neurodegenerative disease: Protocol of a one-year prospective follow-up study.
BMC Neurology
Academic article
-
Ihlen, Espen Alexander F.;
Weiss, A;
Helbostad, Jorunn L.;
Hausdorff, Jeffrey M.
(2015)
The Discriminant Value of Phase-Dependent Local Dynamic Stability of Daily Life Walking in Older Adult Community-Dwelling Fallers and Nonfallers.
BioMed Research International
Academic article
-
Thingstad, Pernille;
Egerton, Thorlene;
Ihlen, Espen Alexander F.;
Taraldsen, Kristin;
Moe-Nilssen, Rolf;
Helbostad, Jorunn L..
(2015)
Identification of gait domains and key gait variables following hip fracture.
BMC Geriatrics
Academic article
2014
-
Ihlen, Espen Alexander F..
(2014)
Age-related changes in inter-joint coordination during walking.
Journal of applied physiology
Academic article
-
Ihlen, Espen Alexander F.;
Vereijken, Beatrix.
(2014)
Detection of co-regulation of local structure and magnitude of stride time variability using a new local detrended fluctuation analysis.
Gait & Posture
Academic article
2013
-
Ihlen, Espen Alexander F..
(2013)
The influence of power law distributions on long-range trial dependency of response times.
Journal of Mathematical Psychology
Academic article
-
Ihlen, Espen Alexander F..
(2013)
Multifractal analyses of response time series: A comparative study.
Behavior Research Methods
Academic article
-
Ihlen, Espen Alexander F.;
Vereijken, Beatrix.
(2013)
Identifying Multiplicative Interactions Between Temporal Scales of Human Movement Variability.
Annals of Biomedical Engineering
Academic article
-
Ihlen, Espen Alexander F.;
Vereijken, Beatrix.
(2013)
Multifractal formalisms of human behavior.
Human Movement Science
Academic article
-
Ihlen, Espen Alexander F.;
Skjæret, Nina;
Vereijken, Beatrix.
(2013)
The influence of center-of-mass movements on the variation in the structure of human postural sway.
Journal of Biomechanics
Academic article
2012
-
Ihlen, Espen Alexander F.;
Sletvold, Olav;
Goihl, Tobias;
Wik, Per Bendik;
Vereijken, Beatrix;
Helbostad, Jorunn L..
(2012)
Older adults have unstable gait kinematics during weight transfer.
Journal of Biomechanics
Academic article
-
Ihlen, Espen Alexander F.;
Goihl, Tobias;
Wik, Per Bendik;
Sletvold, Olav;
Helbostad, Jorunn L.;
Vereijken, Beatrix.
(2012)
Phase-dependent changes in local dynamic stability of human gait.
Journal of Biomechanics
Academic article
-
Ihlen, Espen Alexander F..
(2012)
Introduction to multifractal detrended fluctuation analysis in Matlab.
Frontiers in Physiology
Academic literature review
2010
-
Ihlen, Espen Alexander F.;
Vereijken, Beatrix.
(2010)
Interaction-Dominant Dynamics in Human Cognition: Beyond 1/f(alpha) Fluctuation.
Journal of experimental psychology. General
Academic article
2009
-
Ihlen, Espen Alexander F..
(2009)
A comparison of two Hilbert spectral analyses of heart rate variability.
Medical and Biological Engineering and Computing
Academic article
Journal publications
-
Groos, Daniel;
Adde, Lars;
Aubert, Sindre Aarnes;
Boswell, Lynn;
De Regnier, Raye-Ann;
Fjørtoft, Toril Larsson.
(2022)
Development and Validation of a Deep Learning Method to Predict Cerebral Palsy from Spontaneous Movements in Infants at High Risk.
JAMA Network Open
Academic article
-
Groos, Daniel;
Adde, Lars;
Støen, Ragnhild;
Ramampiaro, Heri;
Ihlen, Espen Alexander F..
(2022)
Towards human-level performance on automatic pose estimation of infant spontaneous movements.
Computerized Medical Imaging and Graphics
Academic article
-
Goihl, Tobias;
Ihlen, Espen Alexander F.;
Bardal, Ellen Marie;
Ustad, Astrid;
Roeleveld, Karin;
Brændvik, Siri Merete.
(2021)
Effects of Ankle-Foot Orthoses on acceleration and energy cost of walking in children and adolescents with cerebral palsy.
Prosthetics and orthotics international
Academic article
-
Elfmark, Ola;
Ettema, Gertjan;
Groos, Daniel;
Ihlen, Espen Alexander F.;
Velta, Rune;
Haugen, Per.
(2021)
Performance analysis in ski jumping with a differential global navigation satellite system and video-based pose estimation.
Sensors
Academic article
-
Groos, Daniel;
Adde, Lars;
Støen, Ragnhild;
Ramampiaro, Heri;
Ihlen, Espen Alexander F..
(2021)
New automatic, efficient, and highly precise tracking of infant spontaneous movements.
Developmental Medicine & Child Neurology
Abstract
-
Groos, Daniel;
Adde, Lars;
Aubert, Sindre Aarnes;
Haukeland, Andreas;
Ramampiaro, Heri;
Støen, Ragnhild.
(2021)
Fully automated clinical movement analysis from videos using skeleton-based deep learning.
Gait & Posture
Abstract
-
Adde, Lars;
Brown, Annemette;
van den Broeck, Christine;
DeCoen, Kris;
Eriksen, Beate Horsberg;
Fjørtoft, Toril Larsson.
(2021)
In-Motion-App for remote General Movement Assessment: a multi-site observational study.
BMJ Open
Academic article
-
Awais, Muhammad;
Chiari, Lorenzo;
Ihlen, Espen Alexander F.;
Helbostad, Jorunn L.;
Palmerini, Luca.
(2021)
Classical machine learning versus deep learning for the older adults free-living activity classification.
Sensors
Academic article
-
Groos, Daniel;
Adde, Lars;
Ihlen, Espen Alexander F..
(2020)
Approaching human precision on automatic markerless tracking of human movements.
Gait & Posture
Abstract
-
Bergquist, Ronny;
Nerz, Corinna;
Taraldsen, Kristin;
Mellone, Sabato;
Ihlen, Espen Alexander F.;
Vereijken, Beatrix.
(2020)
Predicting Advanced Balance Ability and Mobility with an Instrumented Timed Up and Go Test.
Sensors
Academic article
-
Groos, Daniel;
Ramampiaro, Heri;
Ihlen, Espen Alexander F..
(2020)
EfficientPose: Scalable single-person pose estimation.
Applied intelligence (Boston)
Academic article
-
Awais, Muhammad;
Chiari, Lorenzo;
Ihlen, Espen Alexander F.;
Helbostad, Jorunn L.;
Palmerini, Luca.
(2019)
Physical Activity Classification for Elderly People in Free-Living Conditions.
IEEE journal of biomedical and health informatics
Academic article
-
Groos, Daniel;
Aurlien, Kristian;
Ramampiaro, Heri;
Ihlen, Espen Alexander F.;
deRegnier, RA;
Peyton, Colleen.
(2019)
Deep Learning‐based infant motion tracking facilitating early detection of cerebral palsy.
Developmental Medicine & Child Neurology
Abstract
-
Støen, Ragnhild;
Boswell, Lynn;
De Regnier, Raye-Ann;
Fjørtoft, Toril Larsson;
Gaebler-Spira, Deborah;
Ihlen, Espen Alexander F..
(2019)
The predictive accuracy of the general movement assessment for cerebral palsy: A prospective, observational study of high-risk infants in a clinical follow-up setting.
Journal of Clinical Medicine
Academic article
-
Ihlen, Espen Alexander F.;
Støen, Ragnhild;
Boswell, Lynn;
de-Regnier, Raye-Ann;
Fjørtoft, Toril Larsson;
Gaebler-Spira, Deborah.
(2019)
Machine Learning of Infant Spontaneous Movements for the Early Prediction of Cerebral Palsy: A Multi-Site Cohort Study.
Journal of Clinical Medicine
Academic article
-
Bourke, Alan;
Ihlen, Espen Alexander Furst;
Helbostad, Jorunn Hege Lægdheim.
(2019)
Validation of the activpal3 in free-living and laboratory scenarios for the measurement of physical activity, stepping, and transitions in older adults.
Journal for the Measurement of Physical Behaviour (JMPB)
Academic article
-
Adde, Lars;
Yang, Hong;
Sæther, Rannei;
Jensenius, Alexander Refsum;
Ihlen, Espen Alexander F.;
Cao, Jia-yan.
(2018)
Characteristics of general movements in preterm infants assessed by computer-based video analysis.
Physiotherapy Theory and Practice
Academic article
-
Bourke, Alan;
Ihlen, Espen Alexander F.;
Helbostad, Jorunn L..
(2018)
Development of a gold-standard method for the identification of sedentary, light and moderate physical activities in older adults: Definitions for video annotation.
Journal of Science and Medicine in Sport
Academic article
-
Ihlen, Espen Alexander F.;
Schooten, K S;
Bruijn, S M;
Dieën, J H;
Vereijken, Beatrix;
Helbostad, Jorunn L..
(2018)
Improved prediction of falls in community-dwelling older adults through phase-dependent entropy of daily-life walking.
Frontiers in Aging Neuroscience
Academic article
-
Ihlen, Espen Alexander F.;
van Schooten, Kimberley S;
Bruijn, Sjoerd M;
Pijnappels, Mirjam;
van Dieen, Jaap H.
(2017)
Fractional stability of trunk acceleration dynamics of daily-life walking: toward a unified concept of gait stability.
Frontiers in Physiology
Academic article
-
Bourke, Alan;
Ihlen, Espen Alexander F.;
Bergquist, Ronny;
Wik, Per Bendik;
Vereijken, Beatrix;
Helbostad, Jorunn L..
(2017)
A physical activity reference data-set recorded from older adults using body-worn inertial sensors and video Technology - The ADAPT study data-set.
Sensors
Academic article
-
Klenk, Jochen;
Schwickert, Lars;
Palmerini, Luca;
Mellone, Sabato;
Bourke, Alan;
Ihlen, Espen Alexander F..
(2016)
The FARSEEING real-world fall repository: a large-scale collaborative database to collect and share sensor signals from real-world falls.
European Review of Aging and Physical Activity
Academic article
-
Bourke, Alan;
Klenk, Jochen;
Schwickert, Lars;
Aminian, Kamiar;
Ihlen, Espen Alexander F.;
Mellone, Sabato.
(2016)
Fall detection algorithms for real-world falls harvested from lumbar sensors in the elderly population: A machine learning approach.
IEEE Engineering in Medicine and Biology Society. Conference Proceedings
Academic article
-
Bourke, Alan;
Ihlen, Espen Alexander F.;
Wik, Per Bendik;
Bergquist, Ronny;
Helbostad, Jorunn L..
(2016)
Validation of the activPAL3 for Measurement of Physical Activity in Older Adults in a Semi-Structured Protocol Using Video Analysis.
Gait & Posture
Abstract
-
Ihlen, Espen Alexander F.;
Hausdorff, Jeffrey M..
(2016)
Nonlinear analysis for human movement variability.
Journal of Biomechanics
Book review
-
Bourke, Alan;
Ihlen, Espen Alexander F.;
Van de Ven, Pepijn W.J.;
Nelson, John;
Helbostad, Jorunn L..
(2016)
Video analysis validation of a real-time physical activity detection algorithm based on a single waist mounted tri-axial accelerometer sensor.
IEEE Engineering in Medicine and Biology Society. Conference Proceedings
Academic article
-
Bårdstu, Hilde;
Ihlen, Espen Alexander F.;
Bardal, Ellen Marie;
Mork, Paul Jarle.
(2016)
Detection of physical activity types with accelerometers in adolescents in free-living settings.
Gait & Posture
Abstract
-
Skjæret-Maroni, Nina;
Vonstad, Elise Klæbo;
Ihlen, Espen Alexander F.;
Tan, Xiang chun;
Helbostad, Jorunn L.;
Vereijken, Beatrix.
(2016)
Exergaming in older adults: Movement characteristics while playing stepping games.
Frontiers in Psychology
Academic article
-
Ihlen, Espen Alexander F.;
Weiss, Aner;
Beck, Yoav;
Helbostad, Jorunn L.;
Hausdorff, Jeffrey M..
(2016)
A comparison study of local dynamic stability measures of daily life walking in older adult community-dwelling fallers and non-fallers.
Journal of Biomechanics
Academic article
-
Ihlen, Espen Alexander F.;
Weiss, Aner;
Bourke, Alan;
Helbostad, Jorunn L.;
Hausdorff, Jeffrey M..
(2016)
The complexity of daily life walking in older adult community-dwelling fallers and non-fallers.
Journal of Biomechanics
Academic article
-
Bardal, Ellen Marie;
Roeleveld, Karin;
Ihlen, Espen Alexander F.;
Mork, Paul Jarle.
(2016)
Micro movements of the upper limb in fibromyalgia: The relation to proprioceptive accuracy and visual feedback.
Journal of Electromyography & Kinesiology
Academic article
-
Awais, Muhammad;
Palmerini, Luca;
Bourke, Alan;
Ihlen, Espen Alexander F.;
Helbostad, Jorunn L.;
Chiari, Lorenzo.
(2016)
Performance Evaluation of State of the Art Systems for Psysical Activity Classification of Older Subjects Using Inertial Sensors in a Real Life Scenario: A Benchmark Study.
Sensors
Academic article
-
Bourke, Alan;
Klenk, Jochen;
Schwickert, Lars;
Aminian, Kamair;
Ihlen, Espen Alexander F.;
Helbostad, Jorunn L..
(2015)
Temporal and kinematic variables for real-world falls harvested from lumbar sensors in the elderly population.
IEEE Engineering in Medicine and Biology Society. Conference Proceedings
Academic article
-
Srulijes, Karin;
Mack, David J;
Klenk, Jochen;
Schwickert, Lars;
Ihlen, Espen Alexander F.;
Schwenk, Michael.
(2015)
Association between vestibulo-ocular reflex suppression, balance, gait, and fall risk in ageing and neurodegenerative disease: Protocol of a one-year prospective follow-up study.
BMC Neurology
Academic article
-
Ihlen, Espen Alexander F.;
Weiss, A;
Helbostad, Jorunn L.;
Hausdorff, Jeffrey M.
(2015)
The Discriminant Value of Phase-Dependent Local Dynamic Stability of Daily Life Walking in Older Adult Community-Dwelling Fallers and Nonfallers.
BioMed Research International
Academic article
-
Thingstad, Pernille;
Egerton, Thorlene;
Ihlen, Espen Alexander F.;
Taraldsen, Kristin;
Moe-Nilssen, Rolf;
Helbostad, Jorunn L..
(2015)
Identification of gait domains and key gait variables following hip fracture.
BMC Geriatrics
Academic article
-
Ihlen, Espen Alexander F..
(2014)
Age-related changes in inter-joint coordination during walking.
Journal of applied physiology
Academic article
-
Ihlen, Espen Alexander F.;
Vereijken, Beatrix.
(2014)
Detection of co-regulation of local structure and magnitude of stride time variability using a new local detrended fluctuation analysis.
Gait & Posture
Academic article
-
Ihlen, Espen Alexander F..
(2013)
The influence of power law distributions on long-range trial dependency of response times.
Journal of Mathematical Psychology
Academic article
-
Ihlen, Espen Alexander F..
(2013)
Multifractal analyses of response time series: A comparative study.
Behavior Research Methods
Academic article
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Ihlen, Espen Alexander F.;
Vereijken, Beatrix.
(2013)
Identifying Multiplicative Interactions Between Temporal Scales of Human Movement Variability.
Annals of Biomedical Engineering
Academic article
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Ihlen, Espen Alexander F.;
Vereijken, Beatrix.
(2013)
Multifractal formalisms of human behavior.
Human Movement Science
Academic article
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Ihlen, Espen Alexander F.;
Skjæret, Nina;
Vereijken, Beatrix.
(2013)
The influence of center-of-mass movements on the variation in the structure of human postural sway.
Journal of Biomechanics
Academic article
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Ihlen, Espen Alexander F.;
Sletvold, Olav;
Goihl, Tobias;
Wik, Per Bendik;
Vereijken, Beatrix;
Helbostad, Jorunn L..
(2012)
Older adults have unstable gait kinematics during weight transfer.
Journal of Biomechanics
Academic article
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Ihlen, Espen Alexander F.;
Goihl, Tobias;
Wik, Per Bendik;
Sletvold, Olav;
Helbostad, Jorunn L.;
Vereijken, Beatrix.
(2012)
Phase-dependent changes in local dynamic stability of human gait.
Journal of Biomechanics
Academic article
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Ihlen, Espen Alexander F..
(2012)
Introduction to multifractal detrended fluctuation analysis in Matlab.
Frontiers in Physiology
Academic literature review
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Ihlen, Espen Alexander F.;
Vereijken, Beatrix.
(2010)
Interaction-Dominant Dynamics in Human Cognition: Beyond 1/f(alpha) Fluctuation.
Journal of experimental psychology. General
Academic article
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Ihlen, Espen Alexander F..
(2009)
A comparison of two Hilbert spectral analyses of heart rate variability.
Medical and Biological Engineering and Computing
Academic article
Report
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Wahl, Siri Munch;
Ihlen, Espen Alexander F.;
Serrano, Artur.
(2018)
Test-Retest Reliability of Sit-to-Walk Parameters in Healthy Older Persons as Measured by a Custom-Made Armchair.
NTNU
Masters thesis
Media
2021
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Academic lectureAdde, Lars; Ihlen, Espen Alexander F.. (2021) Automated GM tracking and prediction of CP. Elsass Fonden International Virtual Symposium , Copenhagen, Denmark 2021-06-07 - 2021-06-09
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Academic lectureGroos, Daniel; Adde, Lars; Støen, Ragnhild; Ramampiaro, Heri; Ihlen, Espen Alexander F.. (2021) New automatic, efficient, and highly precise tracking of infant spontaneous movements. European Academy of Childhood Disability European Academy of Childhood Disability 2021 , Virtual 2021-05-20 - 2021-06-10
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Academic lectureGroos, Daniel; Adde, Lars; Aubert, Sindre Aarnes; Haukeland, Andreas; Ramampiaro, Heri; Støen, Ragnhild. (2021) Fully automated clinical movement analysis from videos using skeleton-based deep learning. European Society of Movement Analysis for Adults & Children ESMAC 2021 2021-10-14 - 2021-10-15
2020
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Academic lectureGroos, Daniel; Adde, Lars; Ihlen, Espen Alexander F.. (2020) Approaching human precision on automatic markerless tracking of human movements. European Society of Movement Analysis for Adults & Children Virtual ESMAC 2020 2020-09-17 -
2019
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PosterAdde, Lars; Brown, Annemette; Ihlen, Espen Alexander F.; Pascal, Aurelie; Paulsen, Henriette; Skog, Ole Morten. (2019) Feasibility of video recordings of infants’ spontaneous movement by parents for remote General Movement Assessment. European Academy for Children with Disabilities (EACD) Annual Meeting 2019-05-22 - 2019-05-25
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Academic lectureIhlen, Espen Alexander F.; Støen, Ragnhild; Fjørtoft, Toril Larsson; Gaebler-spira, Deborah; Msall, Me; Peyton, Colleen. (2019) Machine learning based prediction of ambulatory versus non-ambulatory motor function in children with cerebral palsy. . European Academy for Children with Disabilities (EACD) Annual Meeting 2019-05-22 - 2019-05-25
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PosterGroos, Daniel; Aurlien, Kristian; Ramampiaro, Heri; Ihlen, Espen Alexander F.; deRegnier, RA; Peyton, Colleen. (2019) Deep Learning-based infant motion tracking facilitating early detection of cerebral palsy. European Academy of Childhood Disability European Academy of Childhood Disability 2019 , Paris 2019-05-23 - 2019-05-25
2018
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Academic lectureAdde, Lars; Ihlen, Espen Alexander F.; Fjørtoft, Toril Larsson; Labori, Cathrine; Loennecken, Marianne; Møinicken, Unn inger. (2018) Computer-based detection of cerebral palsy (CP) in infants before 5 months’ corrected age. Pediatric Academic Societies Meeting 2018-05-05 - 2018-05-08
2017
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PosterIhlen, Espen Alexander F.; van Schooten, Kimberley S; Bruijn, Sjoerd M; van Dieen, Jaap H; Vereijken, Beatrix; Helbostad, Jorunn L.. (2017) Improved prediction of falls in community-dwelling older adults through phase-dependent irregularity of daily-life walking. International Society of Posture and Gait Research world congress , Fort Lauderdale 2017-06-30 - 2017-07-04
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PosterBourke, Alan; Ihlen, Espen Alexander F.; Helbostad, Jorunn L.. (2017) The Effect on Human Activity Recognition Classifier Accuracy With Changing Windowing Overlap. 5th International Conference on Ambulatory Monitoring of Physical Activity and Movement (ICAMPAM) , Maryland 2017-06-21 - 2017-06-23
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Academic lectureIhlen, Espen Alexander F.; van Schooten, Kimberley S; Bruijn, Sjoerd M; Dieën, Jaap H. van; Vereijken, Beatrix; Helbostad, Jorunn L.. (2017) Fall prediction model based on new gait features. RBK MOBEX , Stuttgart 2017-01-20 - 2017-01-21
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Academic lectureIhlen, Espen Alexander F.; van Schooten, Kimberley S; Bruijn, Sjoerd M; Pijnappels, Mirjam; Dieën, Jaap H. van. (2017) Fractional stability of human gait: Towards a unified concept of gait stability. International Society of Posture and Gait Research world congress , Fort Lauderdale 2017-06-30 - 2017-07-04
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PosterBourke, Alan; Ihlen, Espen Alexander F.; Helbostad, Jorunn L.. (2017) Development of Definitions for Annotation of Physical Activity Performed By Elderly Participants Recorded Using Video Technology. 5th International Conference on Ambulatory Monitoring of Physical Activity and Movement (ICAMPAM) , Maryland 2017-06-21 - 2017-06-23
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PosterBourke, Alan; Ihlen, Espen Alexander F.; Wik, Per Bendik; Bergquist, Ronny; Helbostad, Jorunn L.. (2017) Validation of the ActiGraph GT3X+ for measurement of physical activity in older adults in a semi-structured protocol using video analysis. International Society of Posture and Gait Research world congress , Fort Lauderdale 2017-06-30 - 2017-07-04
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Academic lectureIhlen, Espen Alexander F.; Sjoerd M, de Bruijn; Ann, Hallemans. (2017) Stability in gait. NTNU Conference for the European Society for Movement analysis in Adults and Children (ESMAC) , Trondheim 2017-09-06 - 2017-09-09
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PosterBourke, Alan; Ihlen, Espen Alexander F.; Helbostad, Jorunn L.. (2017) An video analysis of the distribution of uninterrupted walking bout in an older adult population. , International Society of Posture and Gait Research world congress , Fort Lauderdale 2017-06-30 - 2017-07-04
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PosterIhlen, Espen Alexander F.; Weiss, Aner; Helbostad, Jorunn Lægdheim; Hausdorff, Jeffrey M. (2017) The dynamics of daily-life walking in older adult fallers and non-fallers: Is loss of complexity a reflection of loss of dynamic stability?. International Society of Posture and Gait Research world congress , Fort Lauderdale 2017-06-30 - 2017-07-04
2016
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Academic lectureVereijken, Beatrix; Cole, Whitney G.; Ihlen, Espen Alexander F.; Adolph, Karen E.. (2016) Learning to walk: Identifying independent components and gait domains in newly walking infants. ESMAC European Society for Movement Analysis in Adults and Children , Sevilla 2016-09-28 - 2016-10-01
2015
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PosterSkjæret-Maroni, Nina; Ihlen, Espen Alexander F.; Helbostad, Jorunn L.; Vereijken, Beatrix. (2015) Exergaming in older adults: The effect of the games on movement characteristics during gameplay . ISPGR World Congress , Sevilla 2015-06-28 - 2015-07-02
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LectureAdde, Lars; Jensenius, Alexander Refsum; Ihlen, Espen Alexander F.; Støen, Ragnhild. (2015) Spatial distribution of general movements in preterm born infants assessed by computer-based video analysis. European Academy of Childhood Disability 2015-05-27 - 2015-05-30
2014
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Academic lectureIhlen, Espen Alexander F.; Støen, Ragnhild; Adde, Lars. (2014) Computerized fidgety movement assessment in infants with high risk of later neurological impairments. Clinical movement Analysis World Conference 2014-09-29 - 2014-10-04
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LectureThingstad, Pernille; Egerton, Thorlene; Ihlen, Espen Alexander F.; Taraldsen, Kristin; Moe-Nilssen, Rolf; Helbostad, Jorunn L.. (2014) A four domain model of gait in older hip-farcture patients based on factor analysis. International Society of Posture and Gait research 2014-06-29 - 2014-07-03
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PosterIhlen, Espen Alexander F.; Vereijken, Beatrix; Goihl, Tobias; Wik, Per Bendik; Sletvold, Olav; Helbostad, Jorunn L.. (2014) A new wavelet-based assessment of inter-joint coordination in walking of young and healthy older adults. ISPGR World Congress ISPGR , Vancouver 2014-06-29 - 2014-07-03
2013
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PosterIhlen, Espen Alexander F.; Vereijken, Beatrix. (2013) Detection of active co-regulation of the structure and magnitude of stride time variability. University in Akita, Japan ISPGR , Akita 2013-06-22 - 2013-06-26
2012
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PosterIhlen, Espen Alexander F.; Goihl, Tobias; Wik, Per Bendik; Sletvold, Olav; Vereijken, Beatrix; Helbostad, Jorunn L.. (2012) Gait kinematics in old adults are instable during weight transfer. Joint World Congress of ISPGR and Gait & Mental function 2012 , Trondheim 2012-06-24 - 2012-06-28
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Academic lectureIhlen, Espen Alexander F.; Lund, Selma; Vereijken, Beatrix. (2012) Posture during relaxed standing is controlles intermittently rather than continously. Joint World Congress of ISPGR and Gait & Mental Function 2012 , Trondheim 2012-06-24 - 2012-06-28
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Academic lectureIhlen, Espen Alexander F.; Goihl, Tobias; Wik, Per Bendik; Sletvold, Olav; Helbostad, Jorunn L.; Vereijken, Beatrix. (2012) Phase-dependent changes in local dynamical stability of human gait. NTNU ISPGR and gait and mental function 2012 , Trondheim 2012-06-24 - 2012-06-28
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Academic lectureSkjæret, Nina; Vereijken, Beatrix; Ihlen, Espen Alexander F.. (2012) Bipedal asymmetries during relaxed standing reveal postural control deficits in young adults with CP. Joint World Congress of ISPGR and Gait & Mental Function , Trondheim 2012-06-24 - 2012-06-28
2011
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Academic lectureIhlen, Espen Alexander F.; Goihl, Tobias; Wik, Per Bendik; Sletvold, Olav; Vereijken, Beatrix; Helbostad, Jorunn L.. (2011) Gait stability in older adults. Forskningsgruppe i geriatri og Medisin Teknikk Seminar i "Human Motor Control" nettverk , Trondheim 2011-11-22 - 2011-11-22
2010
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PosterIhlen, Espen Alexander F.; Vereijken, Beatrix. (2010) Interaction-dominant dynamics in human behavior. University of the Mediterranean, Marseilles 11th European Workshop on Ecological Psychology , Fréjus 2010-06-09 - 2010-06-12
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Academic lectureIhlen, Espen Alexander F.. (2010) Variability in prolonged and fatiguing gait in older persons. Forskningsgruppe Geriatri Mobility and exercise in older persons (MOBEX) , Trondheim 2010-01-15 - 2010-01-16
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Academic lectureIhlen, Espen Alexander F.. (2010) Stability in human gait. Human Motor Control (HMC) nettverk ved NTNU Human Motor Control konferanse , Trondheim 2010-05-27 - 2010-05-28