| Origin (O) and Insertion (I) | Muscle | Innervation (N) and Action (A) |
|---|
| O- Lower 3-4 ribs, illiac crest, and inferior angle of scapula, + I- Floor of the intertubercular groove | |
| O- Coracoid process of scapula I-Middle medial shaft of humerus | |
| O- Costal cartilage of rib 1 I- Subclavian groove | |
| O- Coracoid process of scapula I- ribs 2 to 5 | |
| O-Anterior surface of the sternum, the superior six costal cartilages, and the aponeurosis of the external oblique muscle I-intertubercular groove of the humerus | |
| O- Posterior shaft of the ulna and interosseous membrane I- Base of the distal phalanx of the thumb | |
| O- Medial epicondyle of humerus I- Base of the second metacarpal bone | |
| O- Pisiform bone and tendon of flexor carpi ulnaris I- Base of proximal phalanx and dorsal aponeurosis of little finger | |
| O- Posterior surface and lateral border of humerus and lateral intermuscular septum I- Posterior part of the olecranon process of ulna and the deep fascia of the dorsal forearm | |
| O- Upper two-thirds of lateral supracondylar ridge of humerus I- Lateral aspect of the base of the styloid process of the radius | |
| O- Infraglenoid tubercle of scapula I-Posterior part of the olecranon process of ulna and the deep fascia of the dorsal forearm | |
| O- By a series of muscles slips from ribs 1 to 9 I- Entire anterior surface of the medial (vertebral) border of scapula | |
| O- Spinous processes of the T2 to T5 vertebrae I-medial border of the scapula | |
| O- Posterior surface and medial border of humerus and medial intermuscular septum I- Posterior part of the olecranon process of ulna and the deep fascia of the dorsal forearm | |
| O- Supraglenoid tubercle of scapula I- Radial tuberosity and the bicipital aponeurosis | |
| O- Upper 3/4ths of anterior and medial aspects of ulna and ulnar half of interosseous membrane I- Anterior surface of base of distal phalanx of 4 medial fingers | |
| O- Each comes from one head from the second, fourth, and fifth metacarpal bones I- Dorsal digital expansions of the second, fourth and fifth fingers | |
| O-Transverse processes of C1 - C4 vertebrae I-Superior part of medial border of scapula | |
| O- Upper part of the lateral border of the scapula I- Inferior facet of greater tubercle of the humerus | |
| O- Lateral epicodyle of the humerus I- dorsal digital expansion of the little finger | |
| O- Occipital bone, spines of C7 and T1 -T12 vertebrae I- Lateral third of clavicle, acromion, spine of scapula | |
| O- Sternal end of the clavicle I- Deltoid tuberosity of humerus | |
| O- Nuchal ligaments and spinous processes of C7 to T1 vertebrae I- Medial border of scapula at the level of the spine of the scapula | |
| O- Lateral epicondyle of humerus, radial collateral ligament, supinator crest of ulna I- Lateral surface of the proximal third of the radius | |
| O- Lower third of the lateral supracondylar ridge of the humerus I- dorsal surface of the base of the second metacarpal bone | |
| O- Posterior surface of the radius and interosseous membrane I- Base of the proximal phalanx of the thumb | |
| O- Hamulus of the hamate bone and flexor retinaculum I- Base of proximal phalanx of the little finger | |
| O- Thoracolumbar fascia, spinous processes of T7-T12, all lumbar vertebrae and sacrum, + I-Floor of intertubercular groove | |
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Multiplication Table
Minute Math (Addition)
