University of Scranton - Department of Physical Therapy
Edmund M. Kosmahl, PT, EdD
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PT351 ORTHOPAEDIC PT
LABORATORY SKILL
 Dr. E. Kosmahl

 RESISTED KNEE FLEXION



Resisted Knee Flexion Picture


Purpose
  •  To provoke a root sign (S2)
Positive Response
  • Weak and painless 
Technique
  • Patient prone, knees flexed
  • Therapist attempts to extend knees
Comments
  • A painful response may indicate muscle (knee flexor) pathology

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