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Upper Extremety OIAs
| Question | Answer |
|---|---|
| Origin of Pectoralis Major? | Clavicle, Sternum, and Cartilage of ribs 1-6 |
| Insertion of Pectoralis Major? | By tendon into intertubercular sulcus of humerus |
| Origin of Serratus Anterior? | Lateral Aspect of ribs 1-8 |
| Insertion of Serratus Anterior? | Vertebral border of anterior surface of scapula |
| Origin of Deltoid? | Lateral 1/3 of Clavicle, Acromion, and spine of scapula |
| Insertion of Deltoid? | Deltoid tuberosity |
| Origin of Pectoralis Minor? | Anterior surface of ribs 3-5, near costal cartilage |
| Insertion of Pectoralis Minor? | Coracoid process of scapula |
| Origin of External Intercostals? | Inferior border of rib above |
| Insertion of External Intercostals? | Superior border of rib below |
| Origin of Internal Intercostals? | Superior border of rib below |
| Insertion of Internal Intercostals? | Inferior border of rib above |
| Origin of Diaphragm? | Inferior border of rib and sternum, cartilage of last 6 ribs |
| Insertion of Diaphragm? | Central Tendon |
| Origin of Rectus Abdominus? | Pubic crest and symphysis |
| Insertion of Rectus Abdominus? | xyphoid process of sternum and cartilage of ribs 5-7 |
| Origin of External Oblique? | Anterior surface of last 8 ribs |
| Insertion of External Oblique? | linea alba, pubic crest and tubercles and iliac crest |
| Origin of Internal Oblique? | lumbar fascia, iliac crest, and inguinal ligament |
| Insertion of Internal Oblique? | linea alba, pubic crest, and cartilage of last 3 ribs |
| Origin of Transverse abdominis? | inguinal ligament, iliac crest, lumbar fascia, and cartilage of last 6 ribs |
| Insertion of transverse abdominis? | linea alba and pubic crest |
| Triceps Brachii, long head,origin | glenoid cavity |
| Triceps brachii, lateral head, origin | posterior humerus |
| Trceps brachii, medial head, origin | distal radial groove of humerus |
| Triceps Brachii, insertion | Olecranon process of ulna |
| coracobrachialis, origin | coracoid process of scapula |
| coracobrachialis, insertion | medial shaft of humerus |
| biceps bracii, short head, origin | coracoid process |
| biceps bracii, long head, origin | intertubercular sulcus of humerus |
| biceps bracii, insertion | radial tuberosity |
| brachialis, origin | distal portion of anterior humerus |
| brachialis, insertion | coranoid process of ulna |
| pronator teres, origin | medial epicondyle of humerus, coranoid process of ulna |
| pronator teres, insertion | midshaft of radius |
| flexor carpi radialis, origin | medial epicondyle of humerus |
| flexor carpi radialis, insertion | base of metacarpals 2 and 3 |
| palmaris longus, origin | medial epicondyle of humerus |
| palmaris longus, insertion | palmar aponeurosis |
| flexor carpi ulnaris, origin | medial epicondyle of humerus, olecranon process of ulna, posterior surface of ulna |
| flexor carpi ulnaris, insertion | base of metacarpal 5, pisiform and hamate |
| flexor digitorum superficialis, origin | medial epicondyle of humerus, coranoid process of ulna, and shaft of radius |
| flexor digitorum superficialis, insertion | middle phalanges of fingers 2-5 |
| flexor pollicis longus, origin | anterior surface of radius, interosseus membrane |
| flexor pollicis longus, insertion | distal phalanx of thumb |
| flexor digitorum profundus, origin | anteromedial suface of ulna, interosseus membrane, coranoid process |
| flexor digitorum profundus, insertion | distal phalanges of fingers 2-5 |
| pronator quadratus, origin | distal portion of anterior ulnar surface |
| pronator quadratus, insertion | anterior surface of radius, distal end |
| brachioradialis, origin | lateral ridge at distal end of humerus |
| brachioradialis, insertion | base of styloid process of radius |
| extensor carpi radialis longus, origin | lateral supracondyler ridge of humerus |
| extensor carpi radialis longus, insertion | base of metacarpal 2 |
| extensor carpi radialis brevis, origin | lateral epicondyle of humerus |
| extensor carpi radialis brevis, insertion | base of metacarpal 3 |
| extensor digitorum, origin | lateral epicondyle of humerus |
| extensor digitorum, insertion | by tendon into distal phalanges 2-5 |
| extensor carpi ulnaris, origin | lateral epicondyle of humerus, posterior border of ulna |
| extensor carpi ulnaris, insertion | base of metacarpal 5 |
| extensor pollicus longus, origin | dorsal shaft of ulna and radius, interosseus membrane |
| extensor pollicus longus, insertion | base of distal phalanx of thumb |
| extensor pollicus breves, origin | dorsal shaft of ulna and radius, interosseus membrane |
| extensor pollicus breves, insertion | proximal phalanx of thumb |
| abductor pollicus longus, origin | posterior surface of radius and ulna, interosseus membrane |
| abductor pollicus longus, insertion | metacarpal 1, trapezium |
| Supinator, origin | lateral epicondyle of humerus, proximal ulna |
| supinator, insertion | proximal end of radius |
| extensor indicis, origin | posterior surface of distal ulna, interosseus membrane |
| extensor indicis, insertion | extensor expansion of index |