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K Brachial + hand
quiz
Question | Answer |
---|---|
the radial nerve comes from the spinal segment: | C6, C7, C8, T1 |
if the radial nerve would be damaged, which of the following would be included in the clinical motor feature of such paralysis? | loss of elbow ext, loss of wrist, finger & thumb ext or "wrist drop" |
mm innervated by the musculocutaneous nerve | biceps, brachialis, coracobrachialis |
both the axillary nerve and the musculocutaneous nerve originate from the spinal segments: | C5, C6 |
the nerve injury that would result in the MOST damage to the thumb mm would involve the | median nerve |
paralysis that causes "ape hand" involves which nerve? | median |
paralysis that causes "claw hand deformity" involves damage to the: | ulnar nerve |
the pronators of the forearm are innervated by the: | median nerve |
T or F Sensory distribution for the musculocutaneous nerve includes the posterior arm, posterior forearm and thumb side of the posterior hand. | false - Sensory distribution for the musculocutaneous nerve includes the anterior lateral surface of forearm |
T or F the 3rd (medial portion)and 4th fingers are included in the sensory distribution of the ulnar nerve. | true |
the innervation for the supinator mm is: | radial |
clinical motor features of paralysis of the median nerve include: | loss of thumb opposition, flexion & abduction, loss of pronation |
innervation for the teres minor is: | axillary |
sensory distribution for the radial nerve is: | posterior arm |
innervation for the brachialis mm is: | musculocutaneuous |
thumb ext would be lost with damage to the ____ nerve | radial |
T or F The spinal cord segment for the median nerve is the same as for the radial nerve. | true |
T or F with an injury at the C7 vertebral level, the terminal branch that would be completely spared is the ulnar nerve | false- axillary nerve, musculocutaneous nerve are the only ones that don't involve C7 in the brachial plexus |
T or F the lateral half of the flexor digitorum profundus is innervated by the ulnar nerve | false- must be medial |
T or F injury to the axillary nerve could affect the strength of shd ext rotation. | true |
the mm of the hypothenar eminence are innervated by the: | ulnar nerve |
the palmar interossei mm go to which of the following digits? | 1st (thumb), 2nd, 4th, 5th |
in anatomical position, to which side of the index finger does the dorsal interossei attach? | lateral |
abduction of the thumb takes place in what plane of movement? | sagittal |
name the mm that make up the hypothenar eminence. | flexor digiti minimi, opponens digiti minimi, abductor digiti minimi |
what is the innervation of the interrossei mm? | ulnar |
adduction of the ring finger is accomplished by: | palmar interossei |
name the 3 mm that make up the deep palmar group. | adductor pollicis, interossei, lumbricales |
name the actions of the lumbricales | flexion of the MCPs and extension of the IPs |
name the intrinsic mm that tie into the extensor expansion or hood. | lumbricales |
when one places the key in the ignition of the car, the type of grip one uses is primarily: | pad to side grip |
identify the power grips: | cyclindrical, spherical, hook |
another name for the lumbrical grip is | plate grip |
the function position of the hand includes: | wrist is slightly ext, the MCP & PIP jts are slightly flexed & thumb is opposed |
identify the type of grip used for holding the handle of a skillet | cylindrical |
identify the type of grip used for holding a hand of cards | lumbrical |
identify the type of grip used for holding an apple | spherical |
identify the type of grip used for picking up a pin | tip to tip |