The Muscle (/sɑrˈtɔəri.əs/) – the longest muscle in the human body – is a long thin muscle that runs down the length of the thigh in the anterior compartment. Its upper portion forms the lateral border of the femoral triangle.
The Lachman test is a passive accessory movement test of the knee performed to identify the integrity of the anterior cruciate ligament (ACL). The test is designed to assess single and sagittal plane instability.
Primary muscles used during the gait cycle: anterior (after heal strike to lower foot into plantar flexion) group (late stance to raise heal) (early stance for support and initiation of swing phase) (late swing deceleration)