Tripod Sign | Hamstring Length

Execution:

  1. Patient is in upright sitting position with a straight spine and both knees flexed to 90° over the edge of the table
  2. The examiner then passively extends the patient’s knee fully on the side to be tested
  3. The test is repeated on the other side

 

Positive Outcome: The patient leans backwards or slouches the lumbar spine to relieve tension in the hamstrings

Study Reliability Sn Sp LR+ LR-
Mageet et al. (2014) NA NA NA NA NA