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Sports injury anatomy > basics, dermatomes, myotomes > Flashcards

basics, dermatomes, myotomes Flashcards

1
Q

what muscle action does the C1 nerve root supply?

A

upper cervical flexion

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2
Q

what muscle action does the C2 nerve root supply?

A

upper cervical extension

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3
Q

what muscle action does the C3 nerve root supply?

A

cervical lateral flexion

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4
Q

what muscle action does the C4 nerve root supply?

A

shoulder girdle elevation

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5
Q

what muscle action does the C5 nerve root supply?

A

shoulder abduction

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6
Q

what muscle action does the C6 nerve root supply?

A

elbow flexion

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7
Q

what muscle action does the C7 nerve root supply?

A

elbow extension

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8
Q

what muscle action does the C8 nerve root supply?

A

thumb extension, finger flexion

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9
Q

what muscle action does the T1 nerve root supply?

A

finger abduction and adduction

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10
Q

what muscle action does the nerve root L2 supply?

A

hip flexion

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11
Q

what muscle action does the nerve root L3 supply?

A

knee extension

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12
Q

what muscle action does the nerve root L4 supply?

A

foot dorsifelxion

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13
Q

what muscle action does the L5 nerve root supply?

A

extension of the big toe

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14
Q

what muscle action does the S1 nerve root supply?

A

eversion of the foot, contract buttock, knee flexion

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15
Q

what muscle action does the S2 nerve root supply?

A

knee flexion, toe standing

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16
Q

what muscle action doe the nerve roots S3-4 supply?

A

muscles of the pelvix floor, bladder and genital function

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17
Q

what area does the C2 dermatome supply?

A

temple, forehead and occiput. GOOGLE DERMATOME MAP

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18
Q

what area does the C3 dermatome supply?

A

entire neck, posterior cheek, temporal area, prolongation forward under mandible

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19
Q

what area does the C4 dermatome supply?

A

shoulder area, clavicular area, upper scapular area

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20
Q

what area does the C5 dermatome supply?

A

deltoid area, anterior aspect of entire arm to base of thumb

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21
Q

what area does the C7 dermatome supply?

A

lateral arm and forearm to index, long and ring fingers

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22
Q

what area does the C8 dermatome supply?

A

medial arm and forearm to long, ring and little fingers

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23
Q

what area does the C6 dermatome supply?

A

anterior arm, radial side of hand to thumb and index finger

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24
Q

what area does the T1 dermatome supply?

A

medial side of forearm to base of little finger

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25
Q

what area does the T2 dermatome supply?

A

medial side of upper arm to medial elbow, pectoral and midscapular areas

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26
Q

what area do the T3-6 dermatomes supply?

A

upper thorax

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27
Q

what areas do the T5-7 dermatomes supply?

A

costal margin

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28
Q

what areas do the T8-12 dermatomes supply?

A

abdomen and lumbar region

29
Q

what area does the L1 dermatome supply?

A

back, over trochanter and groin

30
Q

what area does the L2 dermatome supply?

A

back, front of thigh to knee

31
Q

what area does the L3 dermatome supply?

A

back, upper buttock, anterior thigh and knee, medial lower leg

32
Q

what area does the L4 dermatome supply?

A

medial buttock, lateral thigh, medial leg, dorsum of foot, big toe

33
Q

what area does the L5 dermatome supply?

A

buttock, posterior and lateral thigh, lateral aspect of leg, dorsum of foot, medial half of sole, first, second and third toes

34
Q

what are does the S1 dermatome supply?

A

buttock, thigh and leg posterior

35
Q

what area does the S2 dermatome supply?

A

buttock, thigh and leg posterior

36
Q

what are does the S3 dermatome supply?

A

groin, medial thigh to knee

37
Q

what area does the S4 dermatome supply?

A

perineum, genitals, lower sacrum

38
Q

describe the anatomical position.

A

a person standing upright facing forward, arms straight and hands held by the hips and palms facing forward, feet parallel and toes facing forward

39
Q

what is the sagittal plane?

A

a verticle line which divides the body into a left and right section

40
Q

what is the coronal plane?

A

a verticle line which divides the body into an anterior and posterior section

41
Q

what is the transverse plane?

A

horizontal line which divides the body into a superior and inferior section

42
Q

what is flexion?

A

decreases the anlge between 2 body parts

43
Q

what is extension?

A

increases the anlge between 2 body parts

44
Q

what is abduction?

A

movement away from the midline

45
Q

what is adduction?

A

movement towards the midline

46
Q

what is medial rotation?

A

aka internal rotation. rotational movement towards the midline

47
Q

what is lateral rotation?

A

rotation away from the midline

48
Q

what is elevation?

A

movement in a superior direction

49
Q

what is depression?

A

movement in an inferior direction

50
Q

what is supination?

A

hand on table palm down, keep shoulder and elbow still, tur hand onto back palm up

51
Q

what is pronation?

A

hand on table face up, shoulder and elbow still, flip hand palm down

52
Q

what is dorsiflexion?

A

flexion at the ankle so the foot points more superiorly

53
Q

what is plantarfelxion?

A

extension at the ankle, foot points inferiorly

54
Q

what is inversion?

A

at the ankle join (rotation of foot on long axis)t. movement of sole towards median plane, so that the sole faces in a medial direction

55
Q

what is eversion?

A

at ankle joint (rotation of foot around long axis). movement of sole away from median plane, sole faces in a lateral direction

56
Q

what is opposition?

A

brings thumb and little finger together. limited to humans and some great apes

57
Q

what is reposition?

A

moves thumb and little finger away from each other

58
Q

what is circumduction?

A

conical movement of a limb extending from the joint at which the movement is controlled

59
Q

what is protraction?

A

anterolateral movement of scapula on the thoracic wall that allows the shoulder to move anteriorly (reaching out)

60
Q

what is retraction/

A

posteromedial movement of scapula on the thoracic wall, which causes the shoulder region to move posteriorly (picking something up)

61
Q

what is medial movement?

A

towards midline

62
Q

what is lateral movement?

A

away from midline

63
Q

what is anterior?

A

front

64
Q

what is posterior?

A

back

65
Q

what does superior mean?

A

higher

66
Q

what does inferior mean?

A

lower

67
Q

what is proximal?

A

part of the structure closest to origin

68
Q

what is distal?

A

the part of a structure further away from it’s origin

Sports injury anatomy (8 decks)

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