90-90 STRAIGHT LEG RAISE TEST

TEST POSITIONING

The client lies supine, stabilizing both hips at 90 degrees of flexion with both hands.

The knees are bent in a relaxed position.

The therapist stands next to the client.

ACTION

The client is instructed to actively extend one knee at a time as much as possible.

The test is performed bilaterally.

POSITIVE FINDING

If the knee is flexed greater than 20-degrees, the hamstrings are considered tight.

SPECIAL CONSIDERATIONS/COMMENTS

When assessing this test, care should always be taken to be consistent with the position of the pelvis so that testing measures can be repeated with reliability.