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Syllabus Day2
brachialis, brachioradialis, extensors, anconeus, extensor indicis
| Question | Answer |
|---|---|
| The Brachialis is a strong elbow flexor. It sits deep to biceps brachii and is the muscle that "plumps" the biceps up. It's origin is the distal 1/2 of ______ surface of the _______. | Anterior/Humerus |
| This muscles action is to flex the humeroulnar joint (elbow) and it's insertion is the tuberosity and coronoid process of the ulna. | Brachialis |
| This muscles LATERAL edge is sandwiched between the biceps and triceps brachii, and is superficial and palpable. | Brachialis |
| This muscles action is to flex the elbow. It originates on the distal 1/2 of the anterior surface of the humerus and it inserts at the tuberosity and coronoid process of the ulna. | Brachialis |
| The Brachioradialis is superficial on the ________ side of the forearm. | Lateral |
| Brachioradialis has a long oval belly than forms a helpful devider between which 2 muscle groups? | Flexors and Extensors |
| This muscle originates at the proximal 2/3 of the lateral supracondylar ridge of the humerus. | Brachioradialis |
| Resisted flexion of (what joint) causes brachioradialis to visibly protrude? | Humeroulnar/elbow joint |
| This muscles action is to FLEX the H/U joint and assisting in pronation and supination when these actions are resisted. | Brachioradialis |
| Insertion= STYLOID process of the radius Origin=Proximal 2/3 of Lateral Supracondylar ridge of humerus. | Brachioradialis |
| The Extensors of the wrist and fingers are located on the p________ l_______ side of the arm. | Posterior, lateral |
| Name the 4 extensors of the wrist and hand: | Extensor carpi radialis longus Extensor carpi radialis brevis Extensor carpi ulnaris Extensor digitorum |
| This extensor muscle originates at the Common extensor tendon of the lateral epicondyle of the humerus. It inserts at the bases of middle and distal phalanges of the 2nd through 5th fingers. | Extensor Digitorum |
| What two Extensors Extend the wrist, ABduct the wrist,and assist to Flex the elbow? | Extensor carpi radialis longus and Extensor carpi radialis brevis |
| This muscle extends the wrist and ADducts the wrist. Its origin is the common extensor tendon of the lateral epicondyle of the humerus. Its insertion is the base of the 5th metacarpal. | Extensor carpi ulnaris |
| The Anconeus is a weak elbow extensor muscle located _______ to the olecranon process. | Lateral |
| This muscle's Origin is the lateral epicondyle of the humerus and it inserts at the Olecranon process, and the posterior, proximal surface of Ulna | Anconeus |
| This muscle is weak, triangular and it's only action is to extend the elbow | Anconeus |
| This muscle is superficial but may be difficult to differentiate from the surrounding extendors | Anconeus |
| This is a small but crucial muscle that helps the digitorum in extending the INDEX finger | Extensor Indicus |
| This muscle extends and adducts the 2nd finger. | Extensor indicus |
| This muscle originates at the back side of the lower shaft of the ulna, and the Interosseus Membrane...It inserts at the tendon of the extensor digitorum at the 2nd metacarpal | Extensor Indicus |
Created by:
musclemama333
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