Quadriceps training with blood flow restriction in knee pain

Comparison of standard versus blood flow restriction strength training in the treatment of patellofemoral pain

Conservative measures are often used as a first line of treatment against patellofemoral pain (PFP), as quadriceps strengthening has been proven efficacious in improving pain and function. A common challenge faced by clinicians is the administration of the appropriate loads to enact change without aggravating symptoms. The authors of this study conducted a randomized control trial to investigate the effects of blood flow restriction (BFR) training on PFP. In comparison to standard strength training, BFR had improved pain with ADL in the short term and improved strength in those with painful knee extension however, provided no difference in any outcomes at 6 months.

This RCT prospectively compared the 2 groups over an 8-week period and again at 6 months. Outcomes involving pain with ADL, peak pain reports, peak strength and muscle thickness were measured for comparison. Although limitations did exist that would warrant further research, the authors support the potential for BFR training as an alternative in the treatment of PFP in the short term when compared to standard strengthening practices.

> From: Giles et al., Br J Sports Med (2017-05-25 17:04:07) (Epub ahead of print). All rights reserved to BMJ Publishing Group Ltd. Click here for the online summary.

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