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10 Cards in this Set
- Front
- Back
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Deltoids |
Origin: lateral one third of clavicle, acromion, and spine of scapula Insertion: deltoid tuberosity Actions: all fibres: abduct the shoulder. anterior fibres: flex shoulder, medially rotate shoulder, horizontally adduct shoulder. posterior fibres: extend shoulder, laterally rotate shoulder, horizontally abduct shoulder |
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Levator Scapula |
Origin: transverse processes of cx 1-4 vertebrae Insertion: medial border of scapula, between superior angle and superior portion of spine of scapula Action: unilaterally: elevate scapula, downwardly rotate scapula, laterally flex the head and neck, rotate head and neck to the same side. bilaterally: extend the head and neck |
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Supraspinatus |
Origin: supraspinous fossa of scapula Insertion: greater tubercle of the humerus Action: abduct shoulder, stabilise head of humerus in glenoid cavity |
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Infraspinatus |
Origin: infraspinous fossa of scapula Insertion: greater tubercle of humerus Action: laterally rotate shoulder, adduct shoulder, stabilise head of humerus in glenoid cavity |
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Teres Minor |
Origin: upper two thirds of lateral border of scapula Insertion: greater tubercle of humerus Action: laterally rotate shoulder, adduct shoulder, stabilise head of humerus in glenoid cavity |
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Subscapularis |
Origin: subscapular fossa of scapula Insertion: greater tubercle of humerus Action: medially rotate shoulder, stabilise head of humerus in glenoid cavity |
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Biceps Brachii |
Origin: short head: coracoid process of scapula. long head: supraglenoid tubercle of scapula Insertion: tuberosity of the radius and aponeurosis of the biceps brachii Action: flex elbow, supinate forearm, flex shoulder |
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Coracobrachialis |
Origin: coracoid process of the scapula Insertion: medial surface of mid-humeral shaft Action: flex shoulder, adduct shoulder |
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Brachialis |
Origin: distal half of anterior surface of humerus Insertion: tuberosity and coranoid process of ulna Action: flex elbow |
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Triceps Brachii |
Origin: long head: infraglenoid tubercle of scapula. lateral head: posterior surface of proximal half of humerus. medial head: posterior surface of distal half of humerus Insertion: olecranon process of ulna Action: all heads: extend elbow. long head: extend shoulder, adduct shoulder |
