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anatomy > Lecture exam 2 -upper limbs > Flashcards

Lecture exam 2 -upper limbs Flashcards

1
Q

Muscles of the scapula

A 
trapezius
Rhomboids (major/minor)
Elevator scapulae
Pectoralis minor
Serratus anterior
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2
Q

Function of trapezius

A

elevates and retracts scapula

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3
Q

Function of the rhomboids

A

elevate and retract scapula

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4
Q

Function of elevator scapulae

A

elevates scapula

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5
Q

Function of pectoralis minor

A

protracts and depresses scapula

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6
Q

Function of serratus anterior

A

protracts and depress scapula

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7
Q

Muscles that move the arm glenhumeral joint

A

pectoralis major

Latissimus dorsi

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8
Q

Function of pectoralis major

A

flexes and abducts arm

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9
Q

Function of latissimus

A

extends and adducts arm

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10
Q

Function of deltoid

A

abducts, flexes, and extends the arm

  • anterior fibers flex
  • posterior fibers extend
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11
Q

function of coracobrachialis

A

flexes and abducts arm

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12
Q

Function of teres major

A

Extends arm and abducts arm

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13
Q

Muscles originating on scapulae

A

deltoid
Coracobrachialis
Teres major

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14
Q

Muscles of rotator cuff

A

subscapularis
Supraspinatus
Infraspinatus
Teres minor

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15
Q

Function of subscapularis

A

medially rotates arm

wind up for a pitch

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16
Q

Function of supraspinatus

A

abducts arm

execute pitch

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17
Q

Function of infraspinatus

A

Literally rotates arm

finish pitch, slow down pitching arm

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18
Q

Function of Teres minor

A

laterally rotates arm

finish pitch, slow down pitching arm

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19
Q

what are the anterior arm muscles and their function

A

flexors

  • biceps brachii
  • brachialis
  • brachloradialis
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20
Q

what arm muscle supinates the forearm

A

biceps brachii

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21
Q

what are the posterior arm muscles and their function

A

extensors

  • triceps brachii
  • anconeus
22
Q

function of forearm muscles

A

flex arm/digits

23
Q

function of posterior forearm muscles

A

extend arm/wrist

24
Q

what are the pronators of anterior forearm

A

pronator teres

pronator quadratus

25
Q

function of the anterior forearm muscles

A

flex wrist, MP and/or IP joints

most originate from medial epicondyle of humerous

26
Q

what is the flexor retinaculum

A

band of dense regular CT to hold flexor tendons close to bone, space underneath flexor retinacolumn is the carpal tunnel

27
Q

what are the superficial group of anterior forearm muscles

A

flexor carpi radialis
palmaris longus
flexor carpi ulnaris

28
Q

function of the flexor carpi radialis

A

flexes wrist and abducts hand

29
Q

function of palmaris longus

A

flexes wrist

30
Q

function of flexor carpi ulnaris

A

flexes wrist and abducts hand

31
Q

what are the intermediate anterior forearm muscles

A

flexor digitorium superficialis

tendons attach to middle phalanges

32
Q

function of the flexor digitorium superficialis

A

flexes wrist and flexes digits 2-5 at the MP and PIP joints

33
Q

what are the deep anterior forearm muscles

A

flexor digitorium profundus

flexor pollicis longus

34
Q

function of flexor digitorium profundus

A

flexes wrist and digits 2-5 at the MP, PIP, and DIP joints (tendons attach to distal phalanges)

35
Q

function of flexor pollicis longus

A

flexes wrist, MP joint, IP joint of the thumb

36
Q

function of posterior forearm muscles

A

extensors of the wrist, MP and/or
IP joints
(most originate from the lateral epicondyle of humerous)

37
Q

function of superficial posterior forearm muscles

A

extensor carpi radialis longus
extensor carpi radialis brevis
extensor carpi ulnaris
extensor digitorum

38
Q

function of extensor carpi radialis longus

A

extends wrist and abducts hand

39
Q

function of extensor carpi radialis brevis

A

extends wrist and abducts hand

40
Q

function of extensor carpi ulnaris

A

extends wrist and abducts hand

41
Q

function of extensor digitorum

A

extends wrist and digits 2-5 at MP, PIP and DIP joints

42
Q

what are the deep posterior forearm muscles

A

extensor pollicis longus
extensor pollicis brevis
abductor pollicis longus

43
Q

what is the function of the extensor pollicis longus

A

extends thumb

44
Q

function of extensor pollicis brevis

A

extends thumb

45
Q

function of abductor pollicis longus

A

abducts thumb

46
Q

what are the hand muscles

A

thenar muscles
hypothenar muscles
midpalmar muscles

47
Q

function of thenar muscles

A

move thumb

48
Q

function of hypothenar muscles

A

move pinky

49
Q

function of midpalmar muscles

A

all muscles flex MP joints and extend PIP/DIP joints of fingers 2-5

50
Q

name the midpalmar muscles

A 
lumbricals (4)
palmar interossei (3)
dorsal interossei (4)
51
Q

PAD-DAB reference meaning

A

(Palmar interossei ADduct, Dorsal interossei ABducts)

anatomy (15 decks)

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