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41 Cards in this Set
- Front
- Back
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Pectoralis Major: Origin |
Medial clavicle, sternum, costal cartilage of ribs 2-6 |
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Pectoralis Major: Insertion |
intertubercular groove-lip |
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Pectoralis Major: Action |
flexes the shoulder; adducts and medial rotates humerus |
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Pectoralis Minor |
O: ribs 3-5 I: coracoid process of scapula A: pull scapula forward and downward. fixed scapula: elevates ribs |
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Trapezius |
O: superior nuchal line, external occipital protuberance, ligamentum nuchae, spinous processes of C7 and all thoracic vertebrae I: lateral clavicle, acromion process and spine of scapula A: adducts scapula, elevates and rotates shoulder upward, fixed scapula: draws the head backward |
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Levator Scapulae |
O: transverse processes of upper 4 cervical vertebrae I: upper vertebral border of scapula A: elevates scapula |
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Latissimus Dorsi |
O: lower thoracic and lumbar vertebrae sacrum and lumbodorsal fascia I: intertuberculuar groove A: extends the shoulder, adducts and medially rotates humerus |
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Serratus Anterior |
O: anterior superior surface of 1st eight or nine ribs I: anterior surface of vertebral border of scapula A: holds scapular to chest wall, rotates scapula so shoulder moves upward |
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Rhomboideus Major |
O: Spinous processes of 2nd through 5th thoracic vertebrae I: vertebral border of the scapula below base of the spine A: adducts scapula, rotates the scapula so shoulder moves downward |
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Rhomboideus Minor |
O: spinous process of C7 & T1 vertebrae I: vertebral border of scapula at base of spine A: adducts scapula, rotates the scapula so shoulder moves downward |
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Deltoid |
O: lateral clavicle, acromion process and spine of scapula I: deltoid tuberosity A: flexes and extends shoulder; abducts humerus |
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Supraspinatus |
O: supraspinous fossa I: greater tubercle of the humerus- anterior aspect A:abducts the humerus |
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Infraspinatus |
O: infraspinatus fossa I: greater tubercle of the humerus- posterior aspect A: laterally rotates humerus |
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Subscapularis |
O: subscapular fossa I: lesser tubercle of humerus A: adducts and medially rotates the humerus |
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teres minor |
O: axillary border of scapula above teres major I: lesser tubercle of humerus A: laterally rotates humerus |
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teres major |
O: inferior axillary border of scapula I: intertubrecular groove- medial lip A: extends the shoulder, adducts and medially rotates humerus |
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triceps |
O: below the glenoid fossa (long head) and posterior shaft of the humerus (other two heads) I: olecranon process of ulna A: extends shoulder and elbow |
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briceps brachii |
O: coracoid process (short head) ad above the glenoid fossa (long head) I: radial tuberosity A: flexes shoulder and elbow, supinates forearm and hand |
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coracobrachialis |
O: coracoid process of the scapula I: proximal medial humerus A: flexes shoulder and adducts the humerus |
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brachialis |
O: distal anterior surface of humerus I: coronoid process of ulna A: flexes elbow |
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brachioradialis |
O: ridges superior to the lateral epicondyle of the humerus I: radial styloid process A: flexes elbow |
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pronator teres |
O: medial epicondyle of humerus I: lateral surface of the mid shaft of the radius (distal to the insertion of supinator) A: pronates forearm and hand, flexes elbow |
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flexor carpi radialis |
O: medial epicondyle of humerus I: base of 2nd and 3rd metacarpals- anterior aspects A: flexes elbow, flexes and abducts wrist |
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palmaris longus |
O: medial epicondyle of humerus I: palmar aponeurosis and flexor retinaculum A: tenses palmar aponeurosis, flexes elbow and wrist |
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flexor digitorum superficialis |
O: medial epicondyle of humerus, coronoid process of ulna and proximal radius I: medial phalanges of digits 2-5 A: flexes all joints, except distal, of all fingers, flexes wrist and elbow |
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flexor carpi ulnaris |
O: medial epicondyle of humerus I: base of 5th metacarpal- anterior aspect, pisiform, hamate A: flexes elbow, flexes and adducts wrist |
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flexor digitorum profundus |
O: anterior medial surface of the proximal ulna I: distal phalanges of digits 2-5 A: flexes all joints of all fingers, flexes wrist |
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pronator quadratus |
O: distal anterior ulna I: distal anterior radius A: pronates forearm and hand |
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Flexor pollicis longus |
A: flexes pollex |
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extensor carpi radialis longus |
O: ridge superior to the lateral epicondyle of the humerus I: base of 2nd metacarpal- posterior aspect A: extends elbow, extends and abducts wrist |
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extensor carpi radialis brevis |
O: lateral epicondyle of the humerus I: base of the 3rd metacarpal- posterior aspect A: extends elbow, extends and abducts wrist |
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extensor digitorum |
O: lateral epicondyle of the humerus I: posterior surfaces of the phalanges of digits 2-5 A: extends elbow, extends wrist and fingers |
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Extensor carpi ulnaris |
O: lateral epicondyle of the humerus I: base of 5th metacarpal- posterior aspect A: extends elbow, extends and addicts wrist |
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extensor indicis |
A: extends second digit |
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extensor pollicis longus |
A: extends pollex, abducts wrist |
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extensor pollicis brevis |
A: extends pollex, abducts wrist |
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abductor pollicis longus |
A: abducts pollex |
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supinator |
O: proximal posterior ulna, lateral epicondyle of the humerus I: lateral surface of the radius distal to the radial tuberosity A: supinates forearm and hand |
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palmar interossei |
A: adduct the fingers |
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dorsal interossei |
A: abduct the fingers |
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lumbricals |
A: flex the metacarpophalangeal joints, extend the interphalangeal joints |
