Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

Musculoskeletal > Myotomes & Dermatomes > Flashcards

Myotomes & Dermatomes Flashcards

1
Q

what is myotome

A

A group of muscles innervated by a single spinal nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

C4 myotome

A

shoulder shrugs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

C5 myotome

A

shoulder abduction and external rotation; elbow flexion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

C6 myotome

A

wrist extension

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

C7 myotome

A

elbow extension and wrist flexion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

C8 myotome

A

thumb extension and finger flexion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

T1 myotome

A

finger abduction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

L2 myotome

A

hip flexion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

L3 myotome

A

knee extension

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

L4 myotome

A

ankle dorsiflexion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

L5 myotome

A

great toe extension

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

S1 myotome

A

ankle plantarflexion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

S4 myotome

A

bladder and rectum motor supply

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

how do you test nerve irritation

A

straight leg test, see if they complain of pain shooting up leg

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

what is a dermatome

A

an area of skin supplied by a single spinal nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

cranial nerve 5 (trigeminal) dermatome (remember these are head!!)

A

V1 - opthalmic branch - top of head V2 - maxillary branch - nares to top lip V3 - mandibular branch - bottom lip to jaw

17
Q

C2 dermatome

A

occipital protuberance

18
Q

C3 dermatome

A

supraclavicular fossa

19
Q

C4 dermatome

A

acromioclavicular joint

20
Q

C5 dermatome

A

lateral antecubital fossa

21
Q

C6 dermatome

22
Q

C7 dermatome

A

middle finger

23
Q

C8 dermatome

A

little finger

24
Q

T1 dermatome

A

medial antecubital fossa

25
Q

T2 dermatome

A

apex of axilla

26
Q

T3-T12 dermatome

A

bands down torso

27
Q

L1 dermatome

A

upper anterior thigh

28
Q

L2 dermatome

A

mid anterior thigh

29
Q

L3 dermatome

A

medial femoral condyle

30
Q

L4 dermatome

A

medial malleolus

31
Q

L5 dermatome

A

dorsum of 3rd metatarsal phalangeal joint

32
Q

S1 dermatome

A

lateral heel

33
Q

S2 dermatome

A

popliteal fossa

34
Q

S3 dermatome

A

ischial tuberosity

35
Q

S4-5 dermatome

A

perianal area

36
Q

what is dermatome diagram

Musculoskeletal (55 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions