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Unformatted text preview: o Muscles of the abdominal wall flex and rotate the vertebral column, compress the abdominal cavity, and hold in and protect the abdominal organs. o Muscles form the floor of the pelvis. Upper Limb Muscles • The upper limb is attached to the body primarily by muscles. • Arm movements are accomplished by pectoral, rotator cuff, and deltoid muscles. • The forearm is flexed and extended by anterior and posterior arm muscles, respectively. • Supination and pronation of the forearm are accomplished by supinators and pronators in the forearm. • Movements of the wrist and fingers are accomplished by most of the 20 forearm muscles and 19 intrinsic muscles in the hand. Lower Limb Muscles • Hip muscles flex, extend, and abduct the thigh. • Thigh muscles flex, extend, and adduct the thigh. They also flex and extend the leg. • Muscles of the leg and foot are similar to those of the forearm and hand...
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This note was uploaded on 12/04/2011 for the course ANTHRO 2000 taught by Professor Monicaoyola during the Fall '10 term at Broward College.
- Fall '10