Relier Pairs Muscular Matchmaking Version en ligne This game is created to help identify the muscular anatomy. par DeVaughn Harris 1 Internal Intercostals 2 Main muscle in chest. Originates in the medial end of clavicle, sternum, and ribs 1-6. The main action is adduction and medially rotating the arm. 3 Diaphragm 4 Brachialis 5 Vastus Lateralis 6 Origin is femur (linea alba). Allows knee extension. Example: quads (most medial) 7 The insertion is the greater trochanter of femur. The action is it allows abduction and extension of hip. 8 Deltoid 9 External obliques 10 Latissimus Dorsi Vastus Medialis the origin are ribs 2-12, superior border of each rib. The insertion is ribs 1-11, inferior border of each rib.The depress the ribs and decrease space in chest cavity. the insertion is the central tendinous sheet. This muscle allows contraction which expands the thoracic cavity; changes pressure in the thoracic cavity to allow air to be drawn into the lungs. Gluteus Medius the insertion is the inter-tubercular groove of humerus.Origin is spinous processes of T7-T12. origin is femur (greater trochanter) and the action is that it allows knee extension. (most lateral) The origin is the clavicle and scapula. The insertion is middle of the lateral surface of humerus (deltoid tuberosity). Allows abduction of shoulder, laterally rotate arm Pectoralis Major Originates in the humerus. This muscle extends down arm and inserts on the coronoid process and tuberosity of ulna. Helps flex and rotate the vertical column as well as compress abdomen, depresses ribs. The insertion is the linea alba and iliac crest
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