Fascia of palm aponeurosis tenses skin and fascia of

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Fascia of palm (aponeurosis) Tenses skin and fascia of palm during hand movements Extensor carpi ulnaris Humerus, Ulna Metacarpals Extends and abducts hand Extensor digitorum Humerus Phalanges Prime mover of finger extension Extensor carpi radialis longus Humerus Metacarpals Extends, and abducts hand Extensor carpi radialis brevis Humerus Metacarpals Extends and abducts hand Pronator teres Humerus, Ulna Radius Pronates forearm Quadratus lumborum Ilium/Lumbar fascia L1-L4, 12 th rib Laterally flexes vertebral column Rectus abdominus Pubic symphysis Xiphoid process and ribs 5-7 Flex and rotate lumbar region of vertebral column External abdominal obliques Ribs 4-12 Linea alba, pubic crest Flex vertebral column, compress abdominal wall, rotate trunk, and flexing laterally Iliacus Ilium, sacrum Femur Prime mover for flexing thigh, or for flexing trunk on thigh Psoas major T12, L1-L7 Femur As above; also flexes vertebral column laterally Sartorius Ischium Tibia Flexes, abducts, and laterally rotates thigh Tensor fascia latae Ilium Tibia Steadies the leg and trunk on thigh by making iliotibial tract taut Rectus femorus Ilium Patella/Tibia Extends leg and flexes thigh at hip

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