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level: Level 1

Questions and Answers List

level questions: Level 1

QuestionAnswer
abductor policis longus abductor policis brevis extensor policis longus extensor policis brevisName muscles that extend or abduct the thumb
False (it supplies also brachioradialis m. which is a weak flexor of forearm)Radial nerve supplies only extensors of forearm
False (brachioradialis m. lies in posterior compartment and it is a flexor)All flexors of forearm lie in anterior compartment
TrueFlexors are 2x times stronger than extensors
All flexors and pronators of forearm are supplied by ulnar n. and median n.Name supply of pronators and flexors of forearm
radial n.Name supply of extensors and supinators of forearm
ulna radius interosseous membraneWhat separates flexors from extensors?
palmar carpal lig. flexor retinaculumWhat is holding flexors in place
flexor carpi radialis m. flexor carpi ulnaris m. palmaris longus m. pronator teres m.What flexors are in the superficial group of forearm muscles
flexor digitorum superficialisWhat flexors are in the intermediate group of forearm muscles
flexor digitorum profundus flexor pollicis longus pronator quadratusWhat flexors are in the deep group of forearm muscles
flexor carpi ulnaris medial part of flexor digitorum profundusName flexors of forearm innervated by ulnar n.
lateral part of flexor digitorum profundus flexor pollicis longus pronator quadratusName all muscles innervated by anterior interosseous n. (from median n.)
pronator teres flexor carpi radialis palmaris longus flexor digitorum superficialisName muscles of forearm innervated directly by median n.
radial n.All extensors/supinators of forearm are innervated by...
1. muscles that abduct/adduct the hand at wrist joint 2. muscles that extend the medial four fingers 3. muscles that extend or abduct the thumbWhat physiological groups can we divide extensors of forearm in?
extensor carpi radialis longus extensor carpi radialis brevis extensor carpi ulnarisName muscles that abduct/adduct the hand at wrist joint
extensor digitorum extensor indicis extensor digiti minimiName muscles that extend medial four fingers
extensor retinaculumTendons of extensors are held in place by
superficial deepWhat anatomical layers of extensor do we have ?
extensor carpi radialis brevis extensor digitorum extensor digiti minimi extensor carpi ulnaris extensor carpi radialis longus brachioradialisWhat muscles are in the superficial layer of extensors?
(act on thumb and index) abductor pollicis longus extensor pollicis brevis extensor pollicis longus extensor indicisWhat muscles are in the depp layer of extensors ?
brachioradialis extensor carpi radialis longusWhat extensors are innervated directly by radial n.?
extensor carpi radialis brevis extensor digitorum extensor digiti minimi extensor carpi ulnaris supinatorWhat extensors are innervated by deep branch of radial n.?
extensor indicis abductor pollicis longus extensor pollicis longus extensor pollicis brevisWhat muscles are innervated by posterior interosseous n. (from deep branch of radial n.)