A&P II Forearm and Hand MG 2
Terms
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- with the forearm in anatomical position, the __ group is located on the posterior/lateral side of the forearm, while the __ group is located on the anterior/medial side.
- extensor, flexor
- the brachioradialis and the __ clearly divide the forearm flexors from the extensors.
- shaft of the ulna
- looking at the name, what information can you gather about this muscle - flexor carpi radialis?
- it is a flexor, there must be an extensor, it extends the carpals (crosses wrist joint),
- which extensor muscle can be palpated along the shaft of the ulna?
- extensor carpi ulnaris
- the extensor digitorum creates movement at which fingers?
- second through fifth
- when palpating the forearm, the muscle bellies of the __ group will feel smaller and more sinewy than the __ group
- extensor, flexor
- Which forearm muscles comprise the "wad of three?"
- brachioradialis, extensor carpi radialis longus and brevis
- Which action can you ask your partner to perform at the wrist to distinguish the brachioradialis from the extensor carpi radialis?
- abduct
- what are three superficial muscles in the flexor group?
- flexor carpi radialis, palmaris longus and flexor carpi ulnaris
- Flexor digitorum superficialis and flexor digitorum profundus each have __ thin tendons which pass through which anatomical structure?
- four, carpal tunnel
- Pinching the fingers together highlights the tendon of which muscle at the wrist?
- palmaris longus
- what muscle runs between the pisiform and the medial epicondyle?
- flexor carpi ulnaris
- Although the flexor digitorum superficialis and profundus are deep to the other forearm flexors, they can be accessed along the medial side of which bony landmark?
- ulnar shaft