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Elaboration of a clinical test for the assessment of hip abductor endurance in females with patellofemoral pain

par Van Cant, Joachim
Président du jury Carpentier, Alain
Promoteur Feipel, Véronique
Publication Non publié, 2016-09-12

Thèse de doctorat

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Résumé :

This thesis focused on the proximal factors associated with PFP, particularly, on hip muscle function. The overall purpose of this thesis was to elaborate a test, reliable and valid, for evaluating hip muscle function in females with PFP and that could be easily be used in the clinic. To reach this purpose, three sections have been considered:• Section 1 presented the results of a systematic review with meta-analysis entitled “Strength and endurance in females with patellofemoral pain”. This systematic review provided strong evidence that females with PFP have significant isometric strength deficit in hip abduction, extension, and external rotation when compared with healthy controls. Moderate evidence was obtained concerning isometric strength deficit in flexion. There was no evidence that females with PFP have strength deficits in adduction and internal rotation. Moderate evidence was found for isokinetic deficit in abduction and conflicting evidence for a deficit in rotation and extension. When compared with the uninjured limb, moderate evidence was found for a strength deficit in abduction, conflicting evidence for deficiencies in extension and external rotation strength and no evidence for internal rotation, adduction and flexion strength deficiencies. Finally, conflicting evidence was found for a decrease in hip muscular endurance.• Section 2 elaborated two clinical tests for the assessment of hip abductor endurance. After a preliminary phase, the hip abductor isometric endurance test was selected. The test-retest reliability and the validity were determined in healthy females and we concluded that the test could be recommended for clinicians.• Section 3 determined the applicability of the hip abductor isometric endurance test in females with PFP. We assessed the test-retest reliability of the hip abductor isometric endurance test in females with PFP and we compared holding time during the test between females with and without PFP. In this chapter, we chose also to use two others clinical tests, evaluating trunk extensor and ankle plantar flexor endurance, to compare females with and without PFP. We reported that females with PFP exhibited significantly lower hip abductor, trunk extensor and ankle plantar flexor endurance than healthy controls and we concluded that the hip abductor isometric endurance test could be recommended for the examination of patients with PFP.