Term
| ANT. PECTORAL GIRDLE MUSCLE: Serratus Major |
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Definition
| ORIGIN: upper 8 or 9 ribs / INSERTION: ant. Surface of vertebral border and inferior angle of scapula /// ACTION: scapula protraction & upward rotation |
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Term
| ANT. PECTORAL GIRDLE MUSCLE: pectoralis minor |
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Definition
| ORIGIN: ribs 3-5 near costal cartilage / INSERTION: coracoid process of scapula, medial aspect /// ACTION: depress scapula; scapula downward rotationl elevates ribs |
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Term
| ANT. PECTORAL GIRDLE MUSCLE: Sternocleidomastoid |
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Definition
| ORIGIN: superior border of ant surface of med clavical & manubrium / INSERTION: lateral surface of mastoid process & 1st half of superior nuchal line of occipital lobe /// ACTION: head rotation; lateral bending of head |
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Term
| POST. PECTORAL GIRDLE MUSCLE: Trapezius |
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Definition
| ORIGIN: external occipital protuberance & nuchal line; C6-T12 spinous process / INSERTION: spine of scapula, acromion distal clavicle /// ACTION: upper-elevation and upward rotation & depression; braces shoulder |
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Term
| POST. PECTORAL GIRDLE MUSCLE: Rhomboideus major |
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Definition
| ORIGIN: spinous process of T1-T5 / INSERTION: vertebral border of scaplua from root of its spine to apex /// ACTION: scapula retraction & elevation |
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Term
| POST. PECTORAL GIRDLE MUSCLE: Rhomboideus minor |
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Definition
| ORIGIN: spinous process of C7 & T1 / INSERTION: vertebral border of scapula at root of spine /// ACTION: scapula retraction & elevation |
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Term
| POST. PECTORAL GIRDLE MUSCLE: Levator scapulae |
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Definition
| ORIGIN: transverse process of C1-C4 / INSERTION: superior angle of scapula /// ACTION: scapula elevation & rotation |
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Term
| ANT. BRACHIUM MUSCLE: Pectoralis major |
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Definition
| ORIGIN: clavicle sternum, costal cartilages / INSERTION: crest of greater tubercle of humerus /// ACTION: adducts arm; medial roation of humerus |
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Term
| ANT. BRACHIUM MUSCLE: Coracobrachialis |
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Definition
| ORIGIN: apex of coracoid process / INSERTION: medial humerus /// ACTION: flexion & adduction of humerus at shoulder |
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Term
| ANT. BRACHIUM MUSCLE: Deltoid |
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Definition
| ORIGIN: distal 1/3 of clavicle acromion process; lateral spine of scapula / INSERTION: deltoid tuberosity of humerus /// ACTION: anterior- flexion of humerus at shoulder, middle- abduction of humerous at shoulder, posterior- assists in full abduction of humerous |
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Term
| ANT. BRACHIUM MUSCLE: Teres major |
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Definition
| ORIGIN: inferior angle of scapula / INSERTION: lateral lip of intertubercular groove of humerus /// ACTION: extension of humerus at shouder, medial rotation of humerus |
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Term
| ANT. BRACHIUM MUSCLE: Teres minor |
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Definition
| ORIGIN: axiallary border of scapula (upper 2/3) / INSERTION: lowermost part of greater tubercle of humerus /// ACTION: extends shoulder, lateral rotation of humerus; stabilizes shoulder |
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Term
| ANT. BRACHIUM MUSCLE: Biceps Brachii, Long head |
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Definition
| ORIGIN: superior margin of supraglenoid tubercle / INSERTION: radial tuberosty of radius /// ACTION: adduction of shoulder |
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Term
| ANT. BRACHIUM MUSCLE: Biceps brachii, short head |
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Definition
| ORIGIN: coracoid process / INSERTION: radial tuberosty of radius /// ACTION: supination of forearm; flexion of elbow |
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Term
| ANT. BRACHIUM MUSCLE: Brachialis |
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Definition
| ORIGIN: distal anterior surface of humerus / INSERTION: coronoid process of ulna /// ACTION: flexion of elbow |
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Term
| ANT. BRACHIUM MUSCLE: Brachioradialis |
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Definition
| ORIGIN: leteral supracondyle of humerus / INSERTION: radial styloid process /// ACTION: flexion of elbow |
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Term
| ANT. BRACHIUM MUSCLE: Triceps brachii, long head |
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Definition
| ORIGIN: infraglenoid tubercle / INSERTION: olecranon process of ulna /// ACTION: extension of elbow, adduction of shoulder |
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Term
| ANT. BRACHIUM MUSCLE: Triceps brachii, lateral head |
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Definition
| ORIGIN: posterior humerus / INSERTION: olecranon process of ulna /// ACTION: extension of elbow |
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Term
| ANT. BRACHIUM MUSCLE: Triceps brachii, medial head |
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Definition
| ORIGIN: posterior distal humerus / INSERTION: olecranon process of ulna /// ACTION: extension of elbow |
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Term
| POST. BRACHIUM MUSCLE: Latissimus dorsi |
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Definition
| ORIGIN: spinous process of lower thoracic vertebrae; lumbar & sacral vertebrae; iliac crest; lower 3-4 ribs / INSERTION: lower portion of intertubercular groove of humerus /// ACTION: extension of humerus at shoulder; medial rotation of humerus; adduction of humerus at shoulder |
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Term
| POST. BRACHIUM MUSCLE: Supraspinatus |
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Definition
| ORIGIN: medial 2/3 of supraspinous fossa of scapula / INSERTION: superior facet of greater tubercle of humerus /// ACTION: shoulder abduction |
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Term
| POST. BRACHIUM MUSCLE: Infraspinatus |
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Definition
| ORIGIN: medial 2/3 of infraspinous fossa of scapula / INSERTION: middle facet of greater tubercle of humerus /// ACTION: lateral rotation of shoulder |
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Term
| POST. BRACHIUM MUSCLE: Subscapularis |
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Definition
| ORIGIN: subscapular fossa of scapula / INSERTION: lesser tuberosity of humerus /// ACTION: medial rotation of humerus at shoulder; adduction of humerus |
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