Treitz's fascia (TFS) is a collection of muscles that connect the lower limb to the pelvis. This area of the body is an area of severe compression where movement is often limited due to the need to maintain the center of gravity and push the limbs. The fascia in this area is responsible for the muscles that act to contract and relax muscles: from the lower extremities, buttocks, thigh muscles, along the lower back to the hips. Compression response causes differences in how