Muscular AnatomyVersion en ligne Functional Anatomy par Zaynah Elliott 1 Rectus of Abdominis 2 Levator Ani 3 Infraspinatus 4 Pectoralis Minor 5 Vastus Lateralis 6 Piriformis 7 Trunk 8 Upper Limb 9 Lower Limb increase abdominal pressure found in the hip bones intersected with the sternum muscles of the female pelvic floor supports pelvic viscera and forms the anal and vaginal sphincters intersects with the anococcygeal ligament and wall of the anal canal muscles located in the scapula intersects with the humerus bone laterally rotates the arm muscle acting on the scapula located between ribs 3 and 5 pulls the shoulder girdle forwards and downwards extends the knee found in the femur connects to the tibial tuberosity connects to the femur abducts the hip laterally rotates the femur muscle concerned with movements control of intra-abdominal pressure muscles that control the arm allows muscles to manipulate objects large and strong muscles of the hip, thigh, leg, and foot