Comparing Rehabilitation Programs for Patellofemoral Pain Syndrome
| Status: | Completed |
|---|---|
| Conditions: | Chronic Pain |
| Therapuetic Areas: | Musculoskeletal |
| Healthy: | No |
| Age Range: | 15 - 35 |
| Updated: | 4/21/2016 |
| Start Date: | January 2008 |
| End Date: | January 2010 |
Comparison of Early Hip Strengthening to Early Quadriceps Strengthening in the Treatment of Females With Patellofemoral Pain
Patellofemoral pain syndrome (PFPS) is a common knee disorder affecting physically active
people. Despite the growing base of support for the early introduction of hip strengthening
exercises into the rehabilitation of PFPS, there have been few randomized clinical trials
comparing isolated hip to isolated quadriceps strengthening. The purpose of this study is to
determine how different exercises affect pain, strength, muscle activity, and function in
female subjects with patellofemoral pain. The researchers hypothesize that females diagnosed
with PFPS who initially participate in a hip strengthening program will report a greater
perceived level of function, greater strength, less pain, and improved neuromuscular
activity than those who participate in a progressive quadriceps strengthening intervention.
people. Despite the growing base of support for the early introduction of hip strengthening
exercises into the rehabilitation of PFPS, there have been few randomized clinical trials
comparing isolated hip to isolated quadriceps strengthening. The purpose of this study is to
determine how different exercises affect pain, strength, muscle activity, and function in
female subjects with patellofemoral pain. The researchers hypothesize that females diagnosed
with PFPS who initially participate in a hip strengthening program will report a greater
perceived level of function, greater strength, less pain, and improved neuromuscular
activity than those who participate in a progressive quadriceps strengthening intervention.
Methods: Thirty-three females with PFPS will perform either initial hip strengthening (hip
group) or initial quadriceps strengthening (quad group) for 4 weeks, prior to 4 weeks of a
similar program of functional weight-bearing exercises. Self-reported pain, function, and
functional strength were measured. Isometric strength was assessed for hip abductors,
external rotators, and knee extensors. A mixed-model analysis of variance will be used to
determine group differences over time.
group) or initial quadriceps strengthening (quad group) for 4 weeks, prior to 4 weeks of a
similar program of functional weight-bearing exercises. Self-reported pain, function, and
functional strength were measured. Isometric strength was assessed for hip abductors,
external rotators, and knee extensors. A mixed-model analysis of variance will be used to
determine group differences over time.
Inclusion Criteria:
- anterior or retropatellar knee pain reported during at least 2 of the following
activities: ascending and descending stairs, hopping and running, squatting,
kneeling, and prolonged sitting
- insidious onset of symptoms not related to trauma
- pain with compression of the patella
- pain on palpation of the patellar facets
Exclusion Criteria:
- symptoms present for less than one month
- clinical evidence of other knee pathology
- history of recent knee surgery within past one year
- history of patellar dislocations or subluxations
- current significant injury affecting other lower extremity joints
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