Is hip muscle strength normalised in patients with femoroacetabular impingement syndrome one year after surgery?: Results from the HAFAI cohort

Little is known about hip function after hip arthroscopic surgery in patients with femoroacetabular impingement syndrome. Hence, the aim of the study was (1) to investigate changes in hip muscle strength from before to one year after hip arthroscopic surgery, (2) to compare patients with a reference...

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Published in:Journal of science and medicine in sport 2019-04, Vol.22 (4), p.413-419
Main Authors: Kierkegaard, S, Mechlenburg, I, Lund, B, Rømer, L, Søballe, K, Dalgas, U
Format: Article
Language:English
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Muscle function
Muscle strength
Pain
Patients
Studies
Surgeons
Surgery
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container_title Journal of science and medicine in sport
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creator Kierkegaard, S
Mechlenburg, I
Lund, B
Rømer, L
Søballe, K
Dalgas, U
description Little is known about hip function after hip arthroscopic surgery in patients with femoroacetabular impingement syndrome. Hence, the aim of the study was (1) to investigate changes in hip muscle strength from before to one year after hip arthroscopic surgery, (2) to compare patients with a reference group. Cohort study with a cross-sectional comparison. Before and after hip arthroscopic surgery, patients underwent hip muscle strength testing of their hip flexors and extensors during concentric, isometric and eccentric contraction in an isokinetic dynamometer. Reference persons with no hip problems underwent tests at a single time point. Participants completed completed the Copenhagen Hip and Groin Outcome Score (HAGOS) questionnaire and physical capacity (stair climbing loaded and unloaded, stepping loaded and unloaded and jumping) tests. After surgery, hip flexion strength improved during all tests (6-13%, p
doi_str_mv 10.1016/j.jsams.2018.10.004
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Hence, the aim of the study was (1) to investigate changes in hip muscle strength from before to one year after hip arthroscopic surgery, (2) to compare patients with a reference group. Cohort study with a cross-sectional comparison. Before and after hip arthroscopic surgery, patients underwent hip muscle strength testing of their hip flexors and extensors during concentric, isometric and eccentric contraction in an isokinetic dynamometer. Reference persons with no hip problems underwent tests at a single time point. Participants completed completed the Copenhagen Hip and Groin Outcome Score (HAGOS) questionnaire and physical capacity (stair climbing loaded and unloaded, stepping loaded and unloaded and jumping) tests. After surgery, hip flexion strength improved during all tests (6-13%, p&lt;0.01) and concentric hip extension strength improved (4%, p=0.002). Hip flexion and extension strength was lower for patients than for reference persons (9-13%, p&lt;0.05) one year after surgery. Higher hip extension strength after surgery was associated with better patient reported outcomes. Patients, who were unable to complete at minimum one test of physical capacity, demonstrated significantly weaker hip muscle strength. Compared with their healthy counterparts, female patients were more impaired than male patients. One year after surgery, patients improved their maximal hip muscle strength. 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subjects Muscle function
Muscle strength
Pain
Patients
Studies
Surgeons
Surgery
title Is hip muscle strength normalised in patients with femoroacetabular impingement syndrome one year after surgery?: Results from the HAFAI cohort
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