Gaenslen’s test can indicate:
- The presence or absence of a sacro-iliac joint lesions.
- Pubic symphysis instability.
- Hip joint pathology
- L4 nerve root lesion.
- It can also stress the femoral nerve.
- The patient begins positioned in supine with the painful leg resting on the edge of the treatment table.
- The examiner sagitally flexes the non symptomatic hip, while the knee also flexed (up to 90 degrees).
- The patient should hold the non-tested (asymptomatic) leg with both arms while the therapist stabilizes the pelvis and applies passive pressure to the leg being tested (symptomatic) to hold it in a hyperextended position.
- A downward force is applied to the lower leg (symptomatic side) putting it into hyperextension at the hip, while a flexion based counterforce is applied to the flexed leg pushing it in the cephalad direction causing torque to the pelvis.
- The Gaenslen’s test is considered positive if the patient’s normal pain is reproduced.
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