Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
10 Cards in this Set
- Front
- Back
|
Supraspinatus |
Action: abduction of humerus Origin: supraspinous fossa of scapula Insertion: greater tubercle of humerus Innervation: suprascapular nerve
|
|
|
Levator scapulae |
Action: elevates scapula Origin: transverse processes of vertebrae C1-C4 Insertion: medial border of scapula Innervation: spinal nerves C3-C4; C5 (via posterior scapular nerve |
|
|
Deltoid |
Action: abducts arm; anterior fibers flex and medically rotate arm; posterior fibers extend and laterally rotate arm Origin: acromion and spine of scapula; clavicle Insertion: deltoid tuberosity of humerus Innervation: axillary nerve |
|
|
Biceps brachii (short vs long head) |
Action: supinates forearm; flexes elbow joint Origin: short head- coracoid process of scapula long head-superior margin of glenoid cavity Insertion: tuberosity of radius Innervation: musculocutaneous nerve |
|
|
Brachialis |
Action: flexes elbow joint Origin: anterior surface of humerus Insertion: coronoid process of ulna Innervation: musculocutanous nerve; radial nerve |
|
|
Triceps brachii |
Action: extends elbow joint Origin: long head- infraglenoid tubercle of scapula; lateral head- posterior surface of humerus; medial head- posterior surface of humerus Insertion: olecranon process of ulna Innervation: radial nerve |
|
|
Brachioradialis |
Action: flexes elbow joint Origin: lateral supracondylar, ridge of humerus Insertion: lateral surface of base of styloid, process of radius Innervation: radial nerve |
|
|
Supinator |
Action: supinates forearm Origin: lateral epicondyle of humerus, supinator crest and fossa of ulna Insertion: proximal end of radius Innervation: deep branch of radial nerve (emerges as posterior interosseous nerve) |
|
|
Pronator Quadratus |
Action: pronates forearm Origin: anterior surface of distal ulna Insertion: anterior surface of distal radius Innervation: median nerve |
|
|
Flexor carpi ulnaris |
Action: flexes wrist and adducts hand Origin: medial epicondyle of humerus and olecranon Insertion: base of metacarpal V; pisiform and hamate bones Innervation: ulnar nerve |
