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Bent Knee Stretch Test

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(A) Puranen Orava Test, (B,C) Bent Knee Stretch Test, (D,E) Modified Bent Knee Stretch Test[1]
Demonstration of the Bent Knee Stretch Test[2]
  • Bent-knee stretch test
  • BK stretch test
  • Modified bent-knee stretch test

Purpose

  • Evaluates Hamstrings as a cause of hip or thigh pain

Description

  • The patient is supine
  • The hip and knee are maximally flexed
  • The examiner slowly straightens the leg
  • Positive test:
    • Reproduction of the patients pain

Modified Bent Knee Stretch Test

  • Same setup as standard bent knee stretch test
  • Examiner rapidly straigtens the leg

Pathology

Evidence

Proximal Hamstring Tendinopathy[3]

  • Cacchio et al
    • Sensitivity: 0.84
    • Specificity: 0.87
    • PPV: 0.86
    • NPV: 0.85
    • LR+: 6.5
    • LR-: 0.18

See Also

References

  1. ↑ Image courtesy of musculoskeletalkey.com
  2. ↑ Ahmad, Christopher S., et al. "Evaluation and management of hamstring injuries." The American journal of sports medicine 41.12 (2013): 2933-2947.
  3. ↑ Cacchio, Angelo, et al. "Reliability and validity of three pain provocation tests used for the diagnosis of chronic proximal hamstring tendinopathy." British journal of sports medicine 46.12 (2012): 883-887.
Created by:
John Kiel on 19 August 2020 16:28:08
Authors:
Last edited:
30 October 2025 14:42:15
Category:
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