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Anatomy 4 > Upper and lower limbs > Flashcards

Upper and lower limbs Flashcards

1
Q

the clavicle has a groove for what?

A

the subclavious muscle

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2
Q

so the humerous has some epicondyles… what makes up the condyle of the humerus?

A
  1. capitulum
  2. coronoid fossa
  3. trochlea
  4. olecranon fossa
  5. radial fossa
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3
Q

what is part of the pectoral girdle?

A
  • scapula

- clavicle

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4
Q

what is the one bone considered part of the “arm”

A

humerus

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5
Q

what makes up the forearm?

A
  • radium

- ulna

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6
Q

of the radius and the ulna, which one has a head proximal to the arm and which one has a head distal to the arm?

A

radius has a proximal head and ulna has a distal head

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7
Q

what are the four carpel bones in the proximal row?

A
  • scaphoid
  • lunate
  • triquetrum
  • pisiform
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8
Q

what are the four carpel bones in the distal row?

A
  • trapezium
  • trapezoid
  • capitate
  • hamate
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9
Q

all of the phalanges have a distal, middle, and proximal bone except which one?

A

-the thumb! no middle! just proximal and distal

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10
Q

the brachial plexus is fromed from which ventral rami?

A

C5-C8 and T1

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11
Q

the brachial plexus consists of what?

A
  • roots
  • trunks
  • divisions
  • cords
  • branches
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12
Q

what forms the roots of the brachial plexus?

A

C5-T1 ventral rami

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13
Q

what are the trunks names? what forms each one?

A
  • superior: C5 and C6
  • Middle: C7
  • Inferior: C8 and T1
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14
Q

how many divisions are there PER trunk?

A

-2! anterior and posterior for each!

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15
Q

cords are named from their relationship to what?

A

the axillary artery

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16
Q

what forms the lateral cord?

A
  • C5-C7

- anterior division of superior and middle trunks

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17
Q

what forms the medial cord?

A
  • C8-T1

- anterior division of inferior trunk

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18
Q

what forms the posterior cord?

A
  • C5-T1

- posterior division of all 3 trunks

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19
Q

what are the two classifications of branches?

A
  • supraclavicular (4)

- infraclavicular(13)

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20
Q

what are the 3 infraclavicular branches from the lateral cord (C5-C7)

A
  1. Lateral petrosal nerve
  2. Musculocutaneous nerve
  3. Lateral root of the median nerve
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21
Q

what makes up the median nerve?

A
  • lateral root from branch off of lateral cord
  • medial root from branch off of medial cord
  • contains C5-T1 fibers
22
Q

what are the 5 infraclavicular branches from the medial cord?

A
  1. Medial petrosal nerve (C8 and T1)
  2. Medial brachial cutaneous nerve (C8 and T1)
  3. Medial antebrachial cutaneous nerve (C8 and T1)
  4. ULNAR NERVE (C8, T1, SOMETIMES C7)
  5. Medial root of Median nerve
23
Q

what are the 5 infraclavicular branches from the posterior cord?

A
  1. upper subscapular nerve (C5 and C6)
  2. Thoracodorsal nerve (C6,7,8)
  3. Lower subscapular nerve (C5,6)
  4. AXILLARY NERVE(C5,6)
  5. RADIAL NERVE (C5-T1)
24
Q

what does the Musculocutaneous nerve innervate?

A

-flexor/anterior compartment of ARM

25
Q

what does the musculocutaneous nerve change its name to as it passes to the forearm?

A

Lateral cutaneous nerve of the forearm

26
Q

what does the lateral cutaneous nerve of the forearm innervate?

A

-skin on lateral side of forearm

27
Q

what does the median nerve innervate?

A
  • all but 1.5 muscles of the flexor/anterior compartment of the FOREARM
  • innervates thumb
28
Q

compression of what nerve causes carpal tunnel syndrome?

A

median nerve

29
Q

what does the ulnar nerve innervate?

A
  • the other 1.5 muscles of the flexor/anterior compartment of the FOREARM
  • innervates all hand muscles EXCEPT THE THUMB
30
Q

what does the Radial nerve innervate?

A
  • Extensor/posterior compartment of the ARM

- Externsor/ posterior compartment of the FOREARM

31
Q

what does the axillary nerve innervate?

A
  • nerve to the scapular region (NOT ARM/FOREARM/HAND)

- innervates deltoid muscles and teres minor muscle

32
Q

what provides cutaneous innervation of the arm, forearm, and hand?

A
  • all five terminal branches of the brachial plexus
  • 4 smaller branches of brachial plexus
  • TOTAL OF 9 NERVES INNERVATING THE UPPER LIMB CUTANEOUSLY
33
Q

what ventral rami does the axillary nerve come from?

A

C5 and C6

34
Q

what ventral rami does the radial nerve come from?

A

C5-T1

35
Q

what ventral rami does the ulnar nerve come from?

A

C7-T1

36
Q

what ventral rami does the median nerve come from?

A

C5-T1

37
Q

what ventral rami does the musculocutaneous nerve come from?

A

C6 C6 and C7

38
Q

the lumbar plexus involves ventral rami of what spinal nerves?

A

L1-L4

39
Q

the sacral plexus involves ventral rami of what spinal nerves?

A

L4-S4

40
Q

what ventral rami from the lumbosacral trunk?

A

part of L4 and all of L5

41
Q

the femoral and obturator nerves are part of which plexus?

A

lumbar plexus!

42
Q

the sciatic nerve is part of which plexus?

A

sacral plexus!

43
Q

what does the femoral nerve innervate? what ventral rami does it come from?

A
  • L2-L4
  • MOTOR to anterior thigh
  • CUTANEOUS to anterior and medial sides of the thigh, leg, and foot
44
Q

what does the obturator nerve innervate? what ventral rami does it come from?

A
  • L2-L4
  • MOTOR to medial thigh muscles
  • CUTANEOUS to medial thigh

-adduction muscles…

45
Q

what does the sciatic nerve innervate? what ventral rami does it come from?

A
  • L4-S3
  • MOTOR to posterior thigh, all of leg and all of foot
  • CUTANEOUS to leg
46
Q

what does the anterior compartment of the leg do and what muscle owns that bitch?

A
  • flex thigh at hip joint (marching)
  • extend leg at the knee (kick a ball)
  • FEMORAL NERVE
47
Q

what does the medial compartment of the leg do and what nerve owns that bitch?

A
  • adductors of the thigh

- OBTURATOR NERVE

48
Q

what does the posterior compartment of the leg do and what nerve owns that bitch?

A
  • extend thigh at hip joint
  • flex leg at knee
  • SCIATIC NERVE! MOSTLY TIBIAL BRANCH
49
Q

the saphenous nerve is a branch off of what? what does it innervate?

A
  • branch off of the femoral nerve

- innervates: skin of anteromedial knee, leg, foot

50
Q

what two nerves make up the sciatic nerve?

A
  • tibial nerve
  • common fibular nerve
  • division is just superior to popliteal fossa
51
Q

what ventral rami does the tibial nerve come from and what does it innervate?

A
  • L4-S3

- muscles of posterior thigh, posterior leg, SOLE OF FOOT

52
Q

what ventral rami does the common fibular nerve come from and what does it innervate?

A
  • L4-S2
  • MOTOR: posterior thigh, lateral and anterior leg, top of the foot (dorsum)
  • CUTANEOUS: anterior and lateral leg, parts of the sole and dorsum of the foot

Anatomy 4 (7 decks)

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