We need you! See something you could improve? Make an edit and help improve WikSM for everyone.

Modified Bent Knee Stretch Test

From WikiSM
Jump to: navigation, search

Other Names

  • Modified bent-knee stretch test
  • MBK stretch test


Demonstration of the Modified Bent Knee Stretch Test[1]
  • Evaluates Hamstrings as a cause of hip or thigh pain


  • The patient is supine with legs fully extended
  • Examiner grasps ipsilateral leg at the heel with one hand, knee with other
    • They maximally flex the hip and knee, then rapidly straighten knee
  • Positive test:
    • Reproduction of the patients pain



Proximal Hamstring Tendinopathy

  • Cacchio et al[2]
    • Sensitivity: 0.89
    • Specificity: 0.91
    • PPV: 0.91
    • NPV: 0.89
    • LR+: 10.2
    • LR-: 0.12

See Also


  1. Ahmad, Christopher S., et al. "Evaluation and management of hamstring injuries." The American journal of sports medicine 41.12 (2013): 2933-2947.
  2. 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 16:30:05
Last edited:
19 April 2023 23:00:12