2024

• Winther, Siri Bjørgen; Sjøstrøm, Anders; Liabakk-Selli, Sølvi; Foss, Olav A.; Wik, Tina Strømdal; Klaksvik, Jomar. (2024) Regarding: Using KOOS-PS to validate dichotomous global rating of improvement or worsening following total knee arthroplasty. Acta Orthopaedica
  Reader opinion piece
• Winther, Siri Bjørgen; Sjöström, Anders; Liabakk-Selli, Sølvi; Foss, Olav A.; Wik, Tina Strømdal; Klaksvik, Jomar. (2024) Can KOOS-PS be replaced with a simple anchor question in patients after total knee arthroplasty?: an agreement study of 2,478 primary surgeries. Acta Orthopaedica
  Academic article

2023

• Winther, Siri Bjørgen; Klaksvik, Jomar; Foss, Olav A.; Wik, Tina Strømdal; Egeberg, Tarjei; Husby, Otto Schnell. (2023) The extent of first-time THA revision is not associated with patient-reported outcomes at 1-year follow-up: a study of 426 aseptic revisions. Acta Orthopaedica
  Academic article
• Husby, Vigdis Kvitland Schnell; Rian, Torbjørn; Klaksvik, Jomar; Wik, Tina Strømdal; Winther, Siri Bjørgen. (2023) Physical activity in the first postoperative week in 132 knee arthroplasty patients randomized to 3 different analgesic regimens. Medicine
  Academic article
• Hofstad, Janne Kristin; Klaksvik, Jomar; Klepstad, Pål; Gjeilo, Kari Hanne; Søballe, K; Wik, Tina Strømdal. (2023) Patient-reported outcomes the first thirty days after fast-track primary total hip arthroplasty. A prospective cohort study using a web-based registration tool for postoperative follow-up. International Journal of Orthopaedic and Trauma Nursing
  Academic article

2022

• Winther, Siri Bjørgen; Klaksvik, Jomar; Wik, Tina Strømdal; Husby, Otto Schnell; Egeberg, Tarjei; Snildalsli, Sølvi. (2022) Higher dissatisfaction rate following revision compared with primary total knee arthroplasty: 1-year follow-up of 2151 primary and 235 aseptic revision surgeries. Orthopedics
  Academic article
• Hofstad, Janne Kristin; Klaksvik, Jomar; Wik, Tina Strømdal. (2022) Intraoperatively local infiltration anesthesia in hemiarthroplasty patients reduces the needs of opioids: a randomized, double-blind, placebo-controlled trial with 96 patients in a fast-track hip fracture setting. Acta Orthopaedica
  Academic article
• Wik, Tina Strømdal; Klaksvik, Jomar; Husby, Otto Schnell; Rasch, Astrid; Winther, Siri Bjørgen. (2022) Patient-reported outcome after primary and aseptic revision hip arthroplasty: 1-year follow-up of 3,559 primary and 406 revision THAs in an institutional registry. Acta Orthopaedica
  Academic article
• Winther, Siri Bjørgen; Snorroeggen, Gøril Lund; Klaksvik, Jomar; Foss, Olav A.; Egeberg, Tarjei; Wik, Tina Strømdal. (2022) The indication for aseptic revision TKA does not influence 1-year outcomes: an analysis of 178 full TKA revisions from a prospective institutional registry. Acta Orthopaedica
  Academic article

2021

• Haugan, Kristin; Klaksvik, Jomar; Foss, Olav A.. (2021) 30-day mortality in patients after hip fracture surgery: A comparison of the Charlson Comorbidity Index score and ASA score used in two prediction models. Injury
  Academic article

2020

• Rian, Torbjørn; Skogvoll, Eirik; Hofstad, Janne Kristin; Høvik, Lise Husby; Winther, Siri Bjørgen; Husby, Vigdis Schnell. (2020) Tapentadol versus oxycodone for postoperative pain treatment the first 7 days after total knee arthroplasty: a randomized clinical trial. Pain
  Academic article
• Winther, Siri Bjørgen; Foss, Olav; Klaksvik, Jomar; Husby, Vigdis Schnell. (2020) Pain and load progression following an early maximal strength training program in total hip- and knee arthroplasty patients. Journal of Orthopaedic Surgery
  Academic article
• Winther, Siri Bjørgen; Foss, Olav; Klaksvik, Jomar; Husby, Vigdis Schnell. (2020) Increased Muscle Strength Limits Postural Sway during Daily Living Activities in Total Hip Arthroplasty Patients. American Journal of Physical Medicine & Rehabilitation
  Academic article

2018

• Winther, Siri Bjørgen; Foss, Olav A.; Husby, Otto Schnell; Wik, Tina Strømdal; Klaksvik, Jomar; Husby, Vigdis Schnell. (2018) Muscular strength and function after total hip arthroplasty performed with three different surgical approaches: one-year follow-up study. HIP International
  Academic article
• Winther, Siri Bjørgen; Foss, Olav A.; Husby, Otto Schnell; Wik, Tina Strømdal; Klaksvik, Jomar; Husby, Vigdis Schnell. (2018) A randomized controlled trial on maximal strength training in 60 patients undergoing total hip arthroplasty: Implementing maximal strength training into clinical practice. Acta Orthopaedica
  Academic article

2017

• Enoksen, Cathrine Harstad; Wik, Tina Strømdal; Klaksvik, Jomar; Arthursson, Asvaldur; Husby, Otto Schnell; Gjerdet, Nils Roar. (2017) Load transfer in the proximal femur and primary stability of a cemented and uncemented femoral stem: An experimental study on cadaver femurs. Proceedings of the Institution of mechanical engineers. Part H, journal of engineering in medicine
  Academic article

2016

• Enoksen, Cathrine Harstad; Gjerdet, Nils Roar; Klaksvik, Jomar; Arthursson, Asvaldur; Husby, Otto Schnell; Wik, Tina Strømdal. (2016) Deformation pattern and load transfer of an uncemented femoral stem with modular necks. An experimental study in human cadaver femurs. Clinical Biomechanics
  Academic article
• Holmeslet, Berit; Klaksvik, Jomar; Goplen, Frederik Kragerud; Bugten, Vegard; Foss, Olav A.. (2016) The repeatability of oVEMP in response to low-frequency vibration against the vertex and forehead. Journal of Vestibular Research
  Academic article

2014

• Basso, Trude; Klaksvik, Jomar; Foss, Olav. (2014) Statistical consequences of using bone mineral density to pair cadaver femurs in comparative ex vivo hip fracture studies. The Bone & Joint Journal
  Academic article
• Basso, Trude; Klaksvik, Jomar; Syversen, Unni; Foss, Olav. (2014) A biomechanical comparison of composite femurs and cadaver femurs used in experiments on operated hip fractures. Journal of Biomechanics
  Academic article
• Enoksen, Cathrine Harstad; Gjerdet, Nils Roar; Klaksvik, Jomar; Arthursson, Asvaldur; Husby, Otto Schnell; Wik, Tina Strømdal. (2014) Initial stability of an uncemented femoral stem with modular necks. An experimental study in human cadaver femurs. Clinical Biomechanics
  Academic article
• Basso, Trude; Klaksvik, Jomar; Foss, Olav. (2014) Locking plates and their effects on healing conditions and stress distribution: A femoral neck fracture study in cadavers. Clinical Biomechanics
  Academic article
• Basso, Trude; Klaksvik, Jomar; Foss, Olav A. (2014) The effect of interlocking parallel screws in subcapital femoral-neck fracture fixation: a cadaver study. Clinical Biomechanics
  Academic article
• Nysted, Mona Iren; Foss, Olav; Klaksvik, Jomar; Benum, Pål; Haugan, Kristin; Husby, Otto Schnell. (2014) Small and similar amounts of micromotion in an anatomical stem and a customized cementless femoral stem in regularshaped femurs : A 5-year follow-up randomized RSA study. Acta Orthopaedica
  Academic article

2013

• Østbyhaug, Per Olav; Klaksvik, Jomar; Romundstad, Pål Richard; Aamodt, Arild. (2013) Shortening of an anatomical stem, how short is short enough? An in vitro study of load transfer and primary stability. Proceedings of the Institution of mechanical engineers. Part H, journal of engineering in medicine
  Academic article

2012

• Basso, Trude; Klaksvik, Jomar; Syversen, Unni; Foss, Olav A. (2012) Biomechanical femoral neck fracture experiments-A narrative review. Injury
  Academic literature review
• Haugan, Kristin; Husby, Otto Schnell; Klaksvik, Jomar; Foss, Olav. (2012) The migration pattern of the Charnley femoral stem: a five-yar follow-up RSA study in a well-functioning patient group. Journal of Orthopaedics and Traumatology
  Academic article

2011

• Russa, Valentina La; Skallerud, Bjørn Helge; Klaksvik, Jomar; Foss, Olav Andreas. (2011) Reduction in wire tension caused by wire clamping and wire tensioner removal: an experimental Ilizarov frame study. Proceedings of the Institution of mechanical engineers. Part H, journal of engineering in medicine
  Academic article
• Russa, Valentina La; Skallerud, Bjørn Helge; Klaksvik, Jomar; Foss, Olav Andreas. (2011) Reduction in wire tension caused by dynamic loading. An experimental Ilizarov frame study. Journal of Biomechanics
  Academic article
• Nysted, Mona Iren; Benum, Pål; Klaksvik, Jomar; Foss, Olav; Aamodt, Arild. (2011) Periprosthetic bone loss after insertion of an uncemented, customized femoral stem and an uncemented anatomical stem A randomized DXA study with 5-year follow-up. Acta Orthopaedica
  Academic article
• Wik, Tina Strømdal; Enoksen, Cathrine; Klaksvik, Jomar; Østbyhaug, Per Olav; Foss, Olav; Ludvigsen, Jarle. (2011) In vitro testing of the deformation pattern and initial stability of a cementless stem coupled to an experimental femoral head, with increased offset and altered femoral neck angles. Proceedings of the Institution of mechanical engineers. Part H, journal of engineering in medicine
  Academic article

2010

• Russa, Valentina La; Skallerud, Bjørn Helge; Klaksvik, Jomar; Foss, Olav Andreas. (2010) Wire tension versus wire frequency: An experimental Ilizarov frame study. Journal of Biomechanics
  Academic article
• Wik, Tina Strømdal; Østbyhaug, Per Olav; Klaksvik, Jomar; Aamodt, Arild. (2010) Increased strain in the femoral neck following insertion of a resurfacing femoral prosthesis. Journal of Bone and Joint Surgery (JBJS)
  Academic article
• Østbyhaug, Per Olav; Klaksvik, Jomar; Romundstad, Pål Richard; Aamodt, Arild. (2010) Primary stability of custom and anatomical uncemented femoral stems A method for three-dimensional in vitro measurement of implant stability. Clinical Biomechanics
  Academic article

2009

• Østbyhaug, Per Olav; Klaksvik, Jomar; Romundstad, Pål Richard; Aamodt, Arild. (2009) An in vitro study of the strain distribution in human femora with anatomical and customised femoral stems. Journal of Bone and Joint Surgery (JBJS)
  Academic article