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muscle group 2
forearm and hand
| Question | Answer |
|---|---|
| Which movement will lengthen the fibers of extensor carpi radialis longus and brevis? | adduct and relax |
| In general, the origin of the extensor group can be found on or near which bony landmark? | Lateral epicondyle |
| Which forearm muscles comprise the " wad of three "? | Brachioradialis, extensor carpi brevis, radialis longus |
| What triangle-shaped muscle is a weak elbow extensor located lateral to the olecranon process? | Anconeus |
| Which of the following is an action of the flexor carpi radialis? | abduct the wrist |
| Which of the following is an action of the flexor digitorum profundus? | assist in flex the wrist , flex the second through fifth fingers |
| The head of the ulna and lister's tubercle serve as important jumping-off points for locating which bones? | Carpals |
| Which bones can be palpated from four surface sides: palmar, dorsal, radial, and ulnar? | wrist-carpals |
| The pisiform acts as an attachment site for which muscle? | flexor carpi ulnaris |
| What two structures pass through the tunnel of guyon | ulna nerve and artery |
| Which carpal forms the floor of the "anatomical snuffbox"? | scaphoid |
| Which two carpals are located between listers tubercle and the base of the third metacarpal and are best palpated from the dorsal side? | lunate and capitate |
| Anatomically speaking what is the proper name for a "knuckle" joint? | metacarpophalangeal |
| Which muscle acts as a synergist to the flexor carpi radialis during abduction of the wrist? | radial |
| What movement will lengthen the fibers of brachialis? | flex the elbow |
| Which muscle creates a helpful dividing line between the flexors and extensors of the wrist and hand? | brachioradialis |
| The carpal bones are just distal to which topographical landmark? | flexor crease |
| Which bony landmark serves as an attachment site for the tendons of the wrist and hand flexors? | epicondyles of the humerus |
| Which structure, that courses between the medial epicondyle and olecranon process, creates the "funny bone" sensation? | ulnar nerve |
| Which is a bony landmark NOT found on both the radius and ulna? | olecranon process |
| The head of the radius is stabilized by which ligament? | annular ligament |
| In anatomical position you will find the extensor group on which portion of the forearm? | anterior/medial (hairless) |
| Which muscles primary task is extension of the second, or "index" finger? | extensor indicis |
| Which is the insertion of the extensor carpi radialis brevis? | base of the third metacarpal |
| Which is the insertion of the extensor digitorum? | Base of the middle finger and distal phalanges of the second -5th finger |
Created by:
cscott1982
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