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Anatomy Lab > LP 2: muscle attachments > Flashcards

LP 2: muscle attachments Flashcards

1
Q

sternocleidomastoid o & i

A

o: manubrium, clavicle
i: mastoid process

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2
Q

sternocleidomastoid action

A

move vertebral column, move and rotate head

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3
Q

digastric o & i

A

o: mandible
i: hyoid

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4
Q

digastric action

A

depress mandible, elevate hyoid during chewing/swallowing

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5
Q

scalenes o & i

A

o: vertebral column
i: first and second ribs

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6
Q

scalenes action

A

elevate 1st and 2nd ribs, flex and laterally bend the neck

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7
Q

external intercostals o & i

A

o: ribs
i: rib immediately below

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8
Q

external intercostals action

A

elevate ribs during forced respiration

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9
Q

rectus abdominis o & i

A

o: pubic symphysis, pubic crest
i: xiphoid process, ribs

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10
Q

rectus abdominis action

A

flex trunk anteriorly

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11
Q

transverse abdominis o & i

A

o: ilium, ribs
i: linea alba, pubic crest, pubis

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12
Q

transverse abdominis action

A

compress abdominal viscera during expiration
rotate trunk (ipsilateral)

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13
Q

pectoralis major o & i

A

o: clavicle, sternum, ribs, rectus sheath
i: humerus

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14
Q

pectoralis major action

A

adduction, internal rotation, flexion, extension, draw scapula anteroinferiorly

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15
Q

trapezius o & i

A

o: occipital bone, vertebral column
i: clavicle, acromion, scapula

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16
Q

trapezius action

A

stabilize and move scapula, extend neck

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17
Q

latissimus dorsi o & i

A

o: ilium, ribs, vertebral column, scapula
i: humerus

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18
Q

latissimus dorsi action

A

adduct, medially rotate, extend arm at glenohumeral joint

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19
Q

deltoid o & i

A

o: clavicle, acromion, scapula
i: humerus

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20
Q

deltoid action

A

arm abduction

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21
Q

teres major o & i

A

o: scapula
i: humerus

22
Q

teres major action

A

extension and rotation of arm

23
Q

supraspinatus o & i

A

o: scapula
i: radius

24
Q

supraspinatus action

A

abduct arm and stabilize humerus head

25
Q

biceps brachii o & i

A

o: scapula
i: radius

26
Q

biceps brachii action

A

flexion and supination of forearm

27
Q

brachialis o & i

A

o: humerus
i: ulna

28
Q

brachialis action

A

flexion of elbow

29
Q

triceps brachii o & i

A

o: humerus, scapula
i: ulna

30
Q

triceps brachii action

A

extension of forearm

31
Q

flexor carpi ulnaris o & i

A

o: humerus, ulna
i: pisiform, hamate, metacarpal 5

32
Q

flexor carpi ulnaris action

A

wrist flexion and adduction

33
Q

extensor digitorum o & i

A

o: humerus
i: extensor expansions of digits 2-5

34
Q

extensor digitorum action

A

finger extension

35
Q

sartorius o & i

A

o: ilium
i: tibia

36
Q

sartorius action

A

flexion, external rotation, abduction of leg, flexion of knee, rotation of tibia

37
Q

gluteus maximum o & i

A

o: sacrum and coccyx, ilium
i: iliotibial tract, femur

38
Q

gluteus maximus action

A

abduction, adduction, external rotation, extension if thigh

39
Q

rectus femoris o & i

A

o: femur, ilium
i: patella, tibia

40
Q

rectus femoris action

A

leg extension

41
Q

gracilis o & i

A

o: pubis
i: tibia

42
Q

gracilis action

A

thigh flexion and adduction, leg flexion and internal rotation

43
Q

biceps femoris o & i

A

o: pelvis, sacrotuberous ligament, femur
i: fibula

44
Q

biceps femoris action

A

flexion and external rotation of leg and thigh, stabilize pelvis

45
Q

semitendinosus o & i

A

o: ischial tuberosity
i: fibula

46
Q

semitendinosus action

A

leg flexion and internal rotation, thigh extension and internal rotation, stabilize pelvis

47
Q

tibialis anterior o & i

A

o: tibia, interosseous membrane
i: medial cuneiform, metatarsal 1

48
Q

tibialis anterior action

A

foot dorsiflexion, foot inversion

49
Q

gastrocnemius o & i

A

o: femur
i: calcaneous

50
Q

gastrocnemius action

A

plantarflexion of foot, leg flexion

Anatomy Lab (2 decks)

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