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Muscles of the Shoulder and Arm Flashcards

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8219847481pectoralis majoradducts and medially rotate arm0
8219858541deltoidprime mover of arm abduction when all its fibers contract simultaneously1
8219858542latissimus dorsiprime mover of arm extension; powerful arm adductor; medially rotates arm at shoulder2
8219861013subscapularischief medial rotator of arm3
8219896693supraspinatusinitiates abduction of arm4
8219896694infraspinatusrotates arm laterally5
8219901486teres minorrotates arm laterally6
8219901487teres majorextends, medially rotates, and adducts arm7
8219905998coracobrachialisflexes and adducts arm8
8220037114triceps brachiipowerful forearm extensor9
8220037115anconeusmay control ulnar abduction during forearm pronation10
8220038681biceps brachiiflexes and supinates forearm11
8220038682brachialisa major forearm flexor12
8220045500brachioradialissynergist in flexing forearm13
8220095591pronator terespronates forearm14
8220098605flexor carpi radialispowerful flexor and abductor of hand15
8220104054palmaris longustenses skin and fascia of palm during hand movements16
8220104066flexor carpi ulnarispowerful flexor and adductor of hand17
8220115057flexor digitorumflexes wrist and middle phalanges of second to fifth fingers18
8220121837flexor policis longusflexes distal phalanx of thumb19
8220127223flexor digitorum profundusflexes distal interphalangeal joints20
8220135154pronator quadratusprime mover of forearm pronation21
8220047521extensor carpi radialis longusextends hand with extensor carpi ulnaris and abducts hand with flexor carpi radialis22
8220047522extensor carpi radialis brevisextends and adducts hand23
8220056483extensor digitorumprime mover of finger extension24
8220058332extensor carpi ulnarisextends hand with extensor carpi radialis and adducts hand with flexor carpi ulnaris25
8220058333supinatorassist bicep brachii to forcibly supinate forearm26
8220061101abductor pollicis longusabducts and extends thumb27
8220063921extensor pollicis brevis and longusextends thumb28
8220066001extensor indicisextends index finger (digit II)29

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