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The purpose of this study is to investigate changes in lateral hip muscle strength as well as self-reported pain during the performance of three functional tests in patients with anterior knee pain following a lumbopelvic thrust-mobilization.
Hypothesis(es):
Lumbar thrust-mobilization will lead to increased lateral hip strength and decreased anterior knee pain during 3 functional activities (single leg step down, functional squat, drop jump).
Full description
The participant will complete a medical history form and undergo a brief physical exam of the lumbar spine and knees to include: lumbar range of motion and mobility testing, knee range of motion, palpation, and knee mobility testing. The participant will complete a hip strength test utilizing the Biodex System 4 Pro®. The participant will then perform three activities (single leg step down, squat, and drop jump from a 2 foot platform) and provide a self-reported knee pain measure with each activity. A sealed envelope indicating the intervention to be received will be given to the participant. An investigator blinded to the pre and post-measures will open the envelope indicating the intervention to be performed. The participant will be blinded to which intervention group they are categorized to. Th e participant will be positioned on a high-low treatment table to receive the assigned intervention. The participant will be positioned to receive either intervention 1 (thrust mobilization) or 2 (sham mobilization). The participant will either receive the thrust-mobilization or sham mobilization up to 2 times on the left and right side. An immediate re-test of hip strength will be conducted followed by performing the same three functional activities (single leg step down, squat, and drop jump from a 2 foot platform) while providing a self-reported pain measure after each activity. Follow-up measures at 15 minutes post-intervention and the final measure at 30 minutes post-intervention will be performed.
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128 participants in 2 patient groups
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Central trial contact
Amy Humphrey, DPT; Karl Bergmann, PT, ScD
Data sourced from clinicaltrials.gov
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