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MSK > 2. Introduction to MSK Anatomy > Flashcards

2. Introduction to MSK Anatomy Flashcards

1
Q

Which embryological tissue does the skeleton arise form?

A

Mesenchyme

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2
Q

What type of mesenchyme does the axial skeleton arise form?

A

Paraxial mesenchyme

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3
Q

What type of mesenchyme does the appendicular skeleton arise from?

A

Lateral plate mesenchyme

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4
Q

What embryological tissue does the muscular system develop from?

A

Mesoderm

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5
Q

On which day of development do somites arise?

A

Day 20

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6
Q

On which day of development does the mesoderm differentiate into 3 parts (paraxial, intermediate and lateral plate)…?

A

Day 17

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7
Q

What tissue do somites arise from?

A

Paraxial mesoderm

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8
Q

What does paraxial mesoderm develop into?

A

Skeletal muscle
Skeleton
Demis
Connective tissue

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9
Q

Why are somites important?

A

They differentiate into dermatomes, myotomes and sclerotomes.

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10
Q

What are dermatomes responsible for?

A

Sensation information

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11
Q

What are the myotomes responsible for?

A

Muscle innervation

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12
Q

On which day of development do the upper limb buds appear?

A

Day 24-26

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13
Q

What are the vertebral levels of innervation of the upper limb buds?

A

C5-8

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14
Q

On which day of development do the lower limb buds appear?

A

Day 28

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15
Q

What are the vertebral levels of innervation of the lower limb buds?

A

L3-5

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16
Q

In which week does the hand/foot plates form on the distal buds?

A

Week 6

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17
Q

In which week do the limbs rotate?

A

Week 7

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18
Q

What degree of rotation does the (a) upper limb and (b) lower limb undergo in Week 7 and in what direction?

A

(a). Upper limb = 90 ° lateral

(b). Lower limb = 90 ° medial

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19
Q

What are the compartments of the shoulder?

A

Supraspinous
Infraspinous
Subscapular

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20
Q

What are the compartments of the arm?

A

Anterior
Posterior

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21
Q

What are the compartments of the forearm?

A

Anterior
Posterior

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22
Q

What are the compartments of the hand?

A

Hypothenar
Thenar
Central
Adductor
Interosseous

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23
Q

Which is the deepest compartment of the hand?

A

Interosseous

24
Q

What are the compartments of the gluteal region?

A

Superficial
Deep

25
Q

What are the compartments of the thigh?

A

Anterior
Medial
Posterior

26
Q

What are the compartments of the leg?

A

Anterior
Lateral
Posterior superficial
Posterior deep

27
Q

What are the compartments of the foot?

A

Medial
Central
Lateral
Interosseous
Dorsal

28
Q

Which plexus innervates the shoulder?

A

Cervical plexus

29
Q

What are the nerve roots of the cervical plexus?

A

C1-4

30
Q

Which plexus innervates the upper limb?

A

Brachial plexus

31
Q

What are the nerve roots of the brachial plexus?

A

C5-T1 & T2

32
Q
A
33
Q

What nerve roots is the supraclavicular nerve?

A

C3-4

34
Q

Which nerve roots form the intercostobrachial nerve?

A

T2

35
Q

Which nerve roots form the posterior cutaneous nerve of the arm?

A

C5-8 (radial nerve)

36
Q

Which nerve roots form the superior lateral cutaneous nerve of the arm?

A

C5-6 (axillary nerve)

37
Q

Which nerve roots form the inferior lateral cutaneous nerve of the arm?

A

C5-6 (radial nerve)

38
Q

Which nerve roots form the posterior cutaneous nerve of the forearm?

A

C5-8 (radial nerve)

39
Q

Which nerve roots form the medial cutaneous nerve of the arm?

A

C8-T2 (medial cord)

40
Q

Which nerve roots form the lateral cutaneous nerve of the forearm?

A

C6-7 (musculocutaneous nerve)

41
Q

Which nerve roots form the medial cutaneous nerve of the forearm?

A

C8-T1 (medial cord)

42
Q
A
43
Q

What are the two plexi of the lower limb?

A

Lumbar plexus
Sacral plexus

44
Q

What are the nerve roots of the lumbar plexus?

A

L1-5

45
Q

What are the nerve roots of the sacral plexus?

A

S1-3

46
Q
A
47
Q

What are the nerve roots of the superior cluneal nerve?

A

L1-3

48
Q

What are the nerve roots of the middle cluneal nerve?

A

S1-3

49
Q

What are the nerve roots of the femoral br. genitofemoral nerve?

A

L1-2

50
Q

What are the nerve roots of the lateral cutaneous nerve of the thigh?

A

L2-3

51
Q

What are the nerve roots of the anterior cutaneous br.?

A

L203 (femoral nerve)

52
Q

What are the nerve roots of the cutaneous br nerve?

A

L2-4 (obturator nerve)

53
Q

What are the nerve roots of the posterior cutaneous nerve of the tight and the inferior cluneal nerve?

A

(S2-3)

54
Q

What are the nerve roots of the saphenous nerve?

A

L3-4 (femoral nerve)

55
Q

What are the nerve roots of the sural nerve?

A

S1-2 (tibial nerve)

56
Q
A

MSK (21 decks)

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