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