KOA: adding hip exercises to quads workout boosts outcomes

  • Hislop AC & al.
  • Br J Sports Med
  • 6 Feb 2019

  • curated by Miriam Davis, PhD
  • Clinical Essentials
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Takeaway

  • A meta-analysis finds that adding hip exercises to quadriceps exercises improves walking, pain, and overall function in people with knee osteoarthritis (KOA).

Why this matters

  • KOA is the chief cause of pain and disability among adults.
  • Hip exercises have been overlooked in importance for people with KOA as a means to improve pain and disability, considering that weak hip abduction is seen in up to 1 in 4 individuals.

Study design

  • Meta-analysis of 8 studies (n≥300) was conducted after a search of Medline, EMBASE, Cochrane, CINAHL, and SportDiscus databases.
  • Funding: No external.

Key results

  • Combined hip and quadriceps exercises are more effective than quadriceps exercises alone to improve walking (standardized mean difference, −1.06; 95% CI, −2.01 to −0.12), but not to improve pain, patient-reported function, or stair function.
    • Subgroup analysis of hip resistance exercises finds that they are superior to hip functional neuromuscular exercises for improving pain (P<.0001 and patient-reported function>
    • Subgroup analysis of hip multimodal exercise finds that it is not superior to quadriceps alone strengthening for pain, patient-reported function, or stair function.

Limitations

  • Few studies, participants.

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