| Origin | Insertion | Action | Answer | % Correct |
|---|---|---|---|---|
| SH - coracoid process of scapulaLH - supraglenoid tubercle of scapula | Radial tuberosity | Flex & supinate forearm (PM); LHcan also flex humerus | Biceps brachii | 100%
|
| Distal anterior humerus | Coronoid process of ulna | Flex forearm (PM) | Brachialis | 100%
|
| Lateral supracondylar ridge | Base of styloid process of radius | Synergist in forearm flexion | Brachioradialis | 100%
|
| Coracoid process of scapula | Medial surface of humerus | Flex & adduct humerus | Coracobrachialis | 100%
|
| Lateral epicondyle of humerus | Base of fifth metacarpal | Extend & adducts hand | Extensor carpi ulnaris | 100%
|
| Spinous processes of T7-L5, ribs9-12, iliac crest | Intertubercular sulcus of humerus | Extends (PM), adducts, mediallyrotates humerus | Latissimus dorsi | 100%
|
| Sternum, medial clavicle, ribs 1-6;aponeurosis of ext.oblique muscle | Greater tubercle of humerus | Flexes (PM), medially rotates, & adducts humerus | Pectoralis major | 100%
|
| Anterior surface of ribs 3-5 [or 2-4] | Coracoid process of scapula | Protract and rotate scapuladownward | Pectoralis minor | 100%
|
| Medial epicondyle of humerus | Lateral radius | Pronate forearm | Pronator teres | 100%
|
| Subscapular fossa | Lesser tubercle of humerus | Medially rotates humerus | Subscapularis | 100%
|
| Posterior surface of scapula atinferior angle | Lesser tubercle of humerus | Extend, medially rotate, andadduct humerus | Teres major | 100%
|
| Lateral scapula | Greater tubercle of humerus | Laterally rotates humerus | Teres minor | 100%
|
| Occipital bone, nuchal ligament, &spinous processes C7-T12 | Acromion & spine of scapula, lateral clavicle | Stabilizes, elevates, retracts & rotates (upward) scapula | Trapezius | 100%
|
| LgH - infraglenoid tubercle ofscapula LtH & MH - posterior humerus | Olecranon process of ulna | Extend forearm (PM) | Triceps brachii | 100%
|
| Lateral epicondyle of humerus | Lateral aspect of olecranon of ulna | Extend forearm | Anconeus | 50%
|
| Lateral ⅓ of clavicle, acromion andspine of scapula | Deltoid tuberosity of humerus | Abduction of humerus (PM);flexion, extension; medial and lateral rotation of humerus | Deltoid | 50%
|
| Lateral epicondyle of humerus | Base of third metacarpal | Extends & abducts hand; (radialdeviation) | Extensor carpi radialis brevis | 50%
|
| Lateral supracondylar ridge | Base of second metacarpal | Extends & abducts hand; (radialdeviation) | Extensor carpi radialislongus | 50%
|
| Lateral epicondyle of humerus | Multiplex tendon to extensorexpansions & distal phalanges II-V | Extend fingers II-V & hand at wrist | Extensor digitorum | 50%
|
| Medial epicondyle of humerus | Base of second & third metacarpal | Flex hand at wrist; abduct hand(radial deviation) | Flexor carpi radialis | 50%
|
| Medial epicondyle of humerus | Pisiform & hamate bones & base offifth metacarpal | Flex & adduct hand; (ulnardeviation) | Flexor carpi ulnaris | 50%
|
| Proximal ulna & interosseousmembrane | Multiplex tendon to distal phalangesII-V | Flex distal inter-phalangeal jointsof fingers II-V | Flexor digitorum profundus | 50%
|
| Medial epicondyle of humerus | Multiplex tendon to middlephalanges II-V | Flexes hand and middlephalanges of fingers II-V | Flexor digitorum superficialis | 50%
|
| Infraspinous fossa | Greater tubercle of humerus | Laterally rotates humerus | Infraspinatus | 50%
|
| Medial epicondyle of humerus | Fascia of palm | Tenses skin of palm; weak wristflexor | Palmaris longus | 50%
|
| Distal anterior ulna | Distal anterior radius | Pronate forearm (PM) | Pronator quadratus | 50%
|
| Ribs 1-9 | Medial border of scapula | Rotates scapula (upward);protracts scapula (PM) | Serratus anterior | 50%
|
| Supraspinous fossa | Greater tubercle of humerus | Initiates abduction of arm | Supraspinatus | 50%
|
| Spinous processes of C7-T5 | Medial border of scapula | Stabilize scapula; retract, rotatescapula downward | Rhomboids (major & minor) | 0%
|