The application of directional preference for chronic non-specific knee pain: A pragmatic, controlled, randomized clinical trial

The Application of Directional Preference for Chronic Knee Pain

Overview

This study focused on chronic knee pain in Brazilian Jiu-Jitsu practitioners (BJJPs). It evaluated the effectiveness of the McKenzie Method of Mechanical Diagnosis and Therapy (MDT) using Directional Preference (DP) to improve function and reduce pain.

Study Details

Sixty-five BJJPs with chronic knee pain were assessed and divided into two groups: an intervention group (IG) and a control group (CG). The IG received treatment based on DP for six weeks, while the CG did not. The main goal was to measure improvements in specific functional disability, pain intensity, and fear of using the affected limb.

Key Findings

The results showed significant improvements in the IG compared to the CG:

  • Functional Disability: The IG had a mean improvement of -4.36 after treatment and -4.80 at follow-up.
  • Pain Intensity: The IG also reported reduced pain levels.
  • Fear-Avoidance: Participants in the IG experienced less fear of using their injured limb.

Conclusion

The study concluded that using DP in treatment led to positive outcomes for managing chronic knee pain in BJJPs. This method can effectively enhance function and reduce pain.

Practical Solutions and Value

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