Patellofemoral Pain Most Associated with Hip Weakness

Influence of the hip on patients with patellofemoral pain syndrome: a systematic review. Sports Health. 2011 Sep;3(5):455-65. Meira EP, Brumitt J.

Abstract
CONTEXT:
Patellofemoral pain syndrome (PFPS) is one of the most common conditions limiting athletes. There is a growing body of evidence suggesting that dysfunction at the hip may be a contributing factor in PFPS.
DATA SOURCES:
MEDLINE (1950-September 2010), CINAHL (1982-September 2010), and SPORTDiscus (1830-September 2010) were searched to identify relevant research to this report.
STUDY SELECTION:
Studies were included assessing hip strength, lower extremity kinematics, or both in relation to PFPS were included.
DATA EXTRACTION:
Studies included randomized controlled trials, quasi-experimental designs, prospective epidemiology, case-control epidemiology, and cross-sectional descriptive epidemiology in a scientific peer-reviewed journal.
RESULTS:
PFPS is associated with decreased hip strength, specifically at the abductors and external rotators. There is a correlation between PFPS and faulty hip mechanics (adduction and internal rotation).
CONCLUSIONS:
There is a link between the strength and position of the hip and PFPS. These patients have a common deficit once symptomatic. Hip strengthening and a coordination program may be useful in a conservative treatment plan for PFPS.

My comments:
This was a pretty informative review paper that summed up a growing body of research showing hip abduction and hip external rotation weakness is turning out to be more strongly associated with patellofemoral pain than any other factors.  Less so but still important however were associations with weakness in hip extension, hip internal rotation, knee flexion and knee extension.

So basically if if you have patellofemoral pain you probably want to add some progressive resistance exercise throughout your hips and legs (and I’d add some core in there too), but an emphasis on hip abduction and external rotation strength is probably a good idea. What’s interesting is that this paper illustrates the importance of hip strength on pain and function at the start of knee problems, and it turns out to be really important nearer the finish as well.

Thanks for reading my blog. If you have any questions or comments (even hostile ones) please don’t hesitate to ask/share. If you’re reading one of my older blogs, perhaps unrelated to neck or back pain, and it helps you, please remember Spinal Flow Yoga for you or someone you know in the future.


Chad Reilly is a Physical Therapist, obtaining his Master’s in Physical Therapy from Northern Arizona University. He graduated Summa Cum Laude with a B.S. Exercise Science also from NAU. He is a Certified Strength and Conditioning Specialist, and holds a USA Weightlifting Club Coach Certification as well as a NASM Personal Training Certificate. Chad completed his Yoga Teacher Training at Sampoorna Yoga in Goa, India.

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Hello! Thanks for checking out Spinal Flow Yoga®!

This is one of my older “legacy” blogs from my prior physical therapy site. If the information you find here seems only moderately related, or a bit technical for yoga, it’s because I wrote it with a different, but still overlapping, audience in mind. However, I think each blog does showcase my thought processes and research base, both of which very much influenced what evolved into Spinal Flow Yoga®.

Further, given that spine pain has long been a favorite topic of mine, much of the content within these older blogs will be directly relevant to Spinal Flow® even if at times I criticized yoga. In fact, that’s why I created Spinal Flow Yoga®, to correct what were, and still are, many physical problems in modern yoga sequences. Time permitting, I may revisit some of my favorites blogs add some content relating them to newer Spinal Flow® concepts that aim to cure neck and back pain as well as improve overall health and fitness from the comfort of your own home without the need for equipment. Hopefully that will make more sense out of why this blog is here. And if you have neck or back pain, you're in luck. Before you needed a gym to utilize my methods, but I've been working hard, gearing it towards home training, and efficiency and effectiveness have been remarkable. Hit the button to learn more about SC5 and SF5, my 5-minute flows, both of which I'm very proud of.