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Kinesiology > Muscles: Orgin/Insertion/Action For Final > Flashcards

Muscles: Orgin/Insertion/Action For Final Flashcards

1
Q

Rectus Abdominus

A

Orig: Pubic crest (and superior ramus)

Insert: Xiphoid proc, ant. cartilage of 5th, 6th, 7th ribs

Action(s): Flex, lat flex (one side only)

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2
Q

External Oblique

A

Orig: inf. border of lower 8 ribs

Insert: ant. 1/2 of illiac crest, pubic crest, linea alba
Action(s): Flex (both sides), lat flex (same side), rotation (opp side)

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3
Q

Internal Oblique

A

Orig: lat 1/2 inguinal lig, ant 1/2 of illiac crest, lumbar fascia

Insert: cartilage of 7th- 10th ribs; linea alba

Action(s): Flex (both sides), lat flex (same side), rotation (Same side)

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4
Q

Transverse Abdominus

A

Actions: compression of abdomen, stabilization of spine

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5
Q

Quadratus Lamborum

A

Orig: Post. illiac crest; illolumbar ligament

Insert: 12th rib, trans proc of L1-L4

Action(s): extension (both), lat flex (same side), compression of abdomen, stabilization of spine

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6
Q

The Abdominal muscles act mechanically at…..

A

L5-S1

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7
Q

The trunk/ Head muscles act mechanically at…

A

C7-T1 and C1-C2

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8
Q

Sternocleidomastoid

A

Orig: Superior border of the manubrium, medial 1/3 of clavicle

Insert: mastoid process of the skull

Action(s): Flex the head, lat flex (same side), rotation (opp side)

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9
Q

Scalenes

A

Flex head,
lat flex
Rotation (opp side)

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10
Q

Subclavius

A

Orig: superior surface of 1st rib and cartilage

Insert: inf. surface of mid 1/3 of clavicle

Action(s): stabilizes the sternoclavicular jt.

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11
Q

Sternoclavicular jt

A

the only connection b/t the humerus and axial skeleton

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12
Q

Pectoralis Minor

A

Orig: Ant. surface of 3rd, 4th, and 5th ribs

Insert: coracoid process

Action(s): abd/protraction, down rotation, upward tilt, depression

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13
Q

Trapezius I

A

Orig: occipital protuberance and adjacent bone of the skull

Insert: post lat 1/3 of clavicle

Action(s): elevation of scapula
-ext/lat flex/rot of head

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14
Q

Trap II

A

Orig: Nuchal ligament

Insert: acromion process

Action(s): elevation, upward rotation and add/retraction of scapula

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15
Q

Trap III

A

Orig: spinous proc of C7 and T1-T3

Insert: sup, border of scapular spine

Action(s): add/retraction of scapula

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16
Q

Trap IV

A

Orig: Spinous proc of T4-T12

Insert: prox end of scapular spine

Action(s): depression, upward rot, add/retraction of scapula

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17
Q

Levator Scaulae

A

Orig: trans proc of C1-C4

Insert: medial border of scapula

Action(s): elevation, down rotation

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18
Q

Rhomboids (Major & Minor)

A

Orig: spinous proc C7-T5

Insert: Vertebral border from spine to inf angle

Action(s):elevation, add retraction, down rotation

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19
Q

Serratus Anterior

A

Orig: lat surface of ribs 1-9

Insert: ant surface of vertebral border of the scapula

Action(s): abd/protraction, upward rotation

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20
Q

Pectoralis Major (Clavicular)

A

Orig: Ant/med 1/2 of clavicle

Insert: Inf. 2/3 of lat lip of intertubercular groove

Action(s):flex, horiz flex, med rotation

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21
Q

Pectoralis Major (Sternal)

A

Orig: Ant surface of sternum

Insert: INf. 2/3 of lat lip of intertubercular groove

Action(s): flex, horiz flex, med rotation, adduction

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22
Q

Deltoid Anterior

A

Orig: ant/lat 1/3 of clavicle

Insert: deltoid tuberosity

Action(s): flex, horizflex, med rotation

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23
Q

Deltoid Middle

A

Orig: acromion proc

Insert: deltoid tubr.

Action(s): abduction

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24
Q

Deltoid Posterior

A

Orig: scapular spine

Insert: deltoid tubr

Action(s): ext. horiz ext, lat rot

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25
Q

Coracobrachialis

A

Orig: coracoid proc

Insert: mid medial shaft of humerus

Action(s): flex, horiz flex, add

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26
Q

Latissimus Dorsi

A

Orig: post 1/2 of iliac crest; spinous proc of T6-T12, L1-L5; post surface of sacrum; lower 3 ribs

Insert: medial side of intertubr groove

Action(s): ext, horz ext, add, med rot

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27
Q

Teres Major

A

Orig: lower 1/3 of lat border

Insert: inf 1/2 of med lip of intertubr groove

Action(s): ext, horz ext, add, med rot

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28
Q

Teres minor

A

Actions: lat rot, stabilization

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29
Q

Infraspinatus

A

Actions: lat rot, stabilization

30
Q

Supraspinatus

A

Actions: abduction, stabilization

31
Q

Subscapularis

A

Actions: med rotation, stabilization

32
Q

Bicep Brachii (long)

A

Orig: sup edge of glenoid f.

Insert: radial tubr

Action(s): flex, horz flex, abduction, supination

33
Q

Bicep Brachii (short)

A

Orig: coracoid proc

Insert: radial tubr

Action(s):flex, horz flex, adduction, suprination

34
Q

Brachiallis

A

Orig: distal 1/2 of ant surface of humerus

Insert: cornoid proc of ulna

Action(s): flex

35
Q

Brachioradialis

A

Orig: sup 2/3 of lat condyle

Insert: styloid proc of radius

Action(s): flex, pronate, supinate to neutral

36
Q

Pronator Teres

A

Actions: Flex, pronation

37
Q

Triceps Brachii (long)

A

Orig: inf edge of glenoid f.

Insert: prox post surface of olecranon proc

Action(s): ext, synergist at shoulder

38
Q

Triceps Brachii (Lateral)

A

Orig: sup/lat/post/ 1/2 of humerus

Insert: prox/post surface of olecranon proc

Action(s): ext

39
Q

Triceps Brachii (Medial)

A

Orig: inf 2/3 of post humerus

Insert: prox post surface of olecranon proc

Action(s): ext

40
Q

Flexor Carpi Radialis

A

Orig: medial epicondyle of humerus

Insert: palmar surface of prox end of 2nd, 3rd meta carpal

Action(s):flex, abd (radial flex) synergist at elbow

41
Q

Flexor Carpi Ulnaris

A

Orig: medial epicondyle of humerus

Insert: palmar surface of medial carpals, palmar surface of prox end of 5th metacarpal

Action(s): flex, add (ulnar flex), sunergist at elbow

42
Q

Extensor Carpi Radialis

A

Orig: lat epicondyle of humerus

Insert: dorsal surface of prox end of 2nd, 3rd metacarpal

Action(s): ext, abd (radial flex), synergist at elbow

43
Q

Extensor Carpi Ulnaris

A

Orig: lat epicondyle of humerus

Insert: dorsal surface of prox end of 5th metacarpal

Action(s): ext, add (ulnar flex) synergist at elbow

44
Q

Flexor Digitorum Superficialis

A

Orig: Med epicondyle of humers, mid 1/3 cornoid process, ant surface of mid 1/3 of radius

Insert: palmar side of mid phalanx of fingers (digits 2-5)

Action(s): flexion of digits 2-5, synergist at elbow and wrist

45
Q

Extensor Digitorum Communis

A

Orig: lat epicondyle of humerus

Insert: dorsal side of mid and distal phalanx of digits 2-5

Action(s): ext of digits 2-5, synergist at elbow and wrist

46
Q

Extensor Digiti Minimi

A

Orig: lat epicondyle of humerus

Insert: dorsal surface of prox phalanx of 5th digit

Action(s): ext of 5th finger, synergist at elbow and wrist

47
Q

Psoas Major

A

Orig: transverse processes of L1-L5, intervertebral discs of T12-L5

Insert: lesser troch of femur

Action(s): flex, lat rot

48
Q

Illiacus

A

Orig: iliac f. and base of sacrum

Insert: lesser troch of femur and medial border of shaft below troch

Action(s): flex, lat rot

49
Q

Tensor Fascia Latae

A

Orig: ant. ilia crest and outer surface of ant sup iliac spine

Insert: IT Band,

Action(s): flex, abd, med rot

50
Q

Sartorius

A

Actions: knee flexion

51
Q

Rectus Femoris

A

Orig: ant if iliac spine

Insert: patella

Action(s): knee ext, hip flex

52
Q

Bicep Femoris (Long)

A

Orig: lat ischial tubr

Insert: lat condyle of tibia and lat side of fibia head

Action(s): knee flex, knee lat rot, hip ext, hip hyper ext, hip lat rot, hip add

53
Q

Bicep Femoris (short)

A

Orig: inf 1/2 of linea aspea

Insert: lat condyle of tibia and lat side of fibia head

Action(s): knee flex, knee lat rot

54
Q

Semitendinosus

A

Orig: sup lat post ischial tubr

Insert: ant med of tibia below condyle

Action(s): hip: ext, hyperext, med rot, add
Knee: flex, med rot

55
Q

Semimembranosis

A

Orig: inf med post surface of ischial tubr

Insert: post surface of med condyle of tibia

Action(s): Hip: ext, hyper ext, med rot, add
Knee: flex, med rot.

56
Q

Gluteus Maximus

A

Orig: Lateral surface of post 1/4 of iliac crest, int 1/3 of lat border of post sacrum, lat coccyx

Insert: greater troch and post femus, IT band

Action(s): Hip ext, hyper ext, lat rot, upper fibers: abd, lower fibers: add

57
Q

Glueteus Medius

A

Orig: lat surface of illium below crest

Insert: sup lat post and mid surfaces of greater troch

Action(s): Abduction

58
Q

Gluteus Minimus

A

Orig: lat surface of ilium below the origin of gluteus medius

Insert: ant surface of greater troch

Action(s): abd, flex, med rot

59
Q

Pectineus

A

Orig: pectineal line of pubis

Insert: pectineal line of femur

Action(s): flex, add

60
Q

Adductor Magnus

A

Orig: ischial tubr.

Insert: inf linea aspea

Action(s): adduction, lat rot, extension

61
Q

Adductor Longus

A

Orig: ramus of ischium

Insert: mid linea aspea

Action(s): add, lat rot

62
Q

Adductor Brevis

A

Orig: ramus of pubis

Insert: sup linea aspea

Action(s): add, lat rot, flex

63
Q

Gracilis

A

Orig: ant inf med 1/2 of symphis pubis and inf ramus of pubis

Insert: ant/med surface of tibia below condyle

Action(s): adduction, med rot, knee flexion when knee is flexed

64
Q

Gracilis

A

Orig: ant inf med 1/2 of symphis pubis and inf ramus of pubis

Insert: ant/med surface of tibia below condyle

Action(s): adduction, med rot, knee flexion when knee is flexed

65
Q

Vastus Lateralis

A

Orig: ant/inf greater troch, upper 1/2 of linea aspea

Insert: patella

Action(s): knee extension

66
Q

Vastus Medialis

A

Orig: linea aspea

Insert: patella

Action(s):knee ext

67
Q

Gastrocnemius (lateral)

A

Orig: post lat condyle of femur

Insert: calcaneous

Action(s): Plantar flex

68
Q

Gastrocnemius (medial)

A

Orig: post medial condyle of femur

Insert: calcaneous

Action(s): Plantar Flex

69
Q

Plantaris

A

Action: Plantar Flex

70
Q

Soleous

A

Action: Plantar Flex

71
Q

Tibialis Posterior

A

Actions: Plantar Flex, inversion

Kinesiology (6 decks)

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