anatomy of musculoskeletal Flashcards

1
Q

How many muscles are in the anterior compartment of the forearm

A

8

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2
Q

What nerve innervates most in the anterior compartment of the forearm

A

median nerve

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3
Q

what muscle causes flexion at the wrist

A

flexor carpi radialis

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4
Q

what muscle causes flexion at the digits

A

flexor digitorum superficialis

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5
Q

what muscle causes pronation

A

pronator teres

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6
Q

how many muscles are in the posterior compartment of the forearm

A

12

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7
Q

What nerve innervates most in the posterior compartment of the forearm

A

the radial nerve

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8
Q

what muscle causes abduction of one digit (the pollux/thumb)

A

abductor pollicis longus

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9
Q

what muscle causes extension of the digits

A

extensor digitorum

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10
Q

what muscle causes extension of the wrist

A

extensor carpi ulnaris

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11
Q

What three muscles help with dorsiflexion (extension) of the leg in the anterior compartment

A

tibialis anterior
extensor hallucis longus
extensor digitorum longus

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12
Q

what four muscles help with plantar flexion (flexion) of the leg in the posterior compartment

A

gastrocnemius
flexor digitorum longus
tibialis posterior
flexor hallucis longus

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13
Q

what two muscles help with eversion in the lateral compartments of the leg

A

fibularis longus

fibularis brevis

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14
Q

what muscle work together to produce inversion in the lateral compartments of the leg

A

tibialis posterior and anterior

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15
Q

what part of the arm is the muscle biceps brachii located and what is it responsible for

A

anterior compartment

responsible for the flexion of elbow

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16
Q

what part of the arm is the muscle triceps brachii located and what is it responsible for

A

posterior compartment

responsible for extension at the elbow

17
Q

what are the five most known nerves of the brachial plexus

A
axillary
radial
musculocutaneous
median
ulnar
18
Q

what does the axillary nerve supply

A

the shoulder

19
Q

what does the radial nerve supply

A

posterior arm and forearm

20
Q

what does the musculocutaenous nerve supply

A

supplies the anterior arm

21
Q

what does the median nerve supply

A

supplies the anterior forearm

and the hand but not as much as the ulnar

22
Q

what does the ulnar nerve supply

A

supplies the hand

and the anterior forearm but not as much as the median nerve

23
Q

what are the five muscles that move the shoulder

A
deltoid
pectoralis major
biceps brachii
triceps brachii
latissimus dorsi
24
Q

what seven muscles move the hip

A
gluteus maximus
gluteus medius & minimus
piriformis
short rotators 
psoas major
iliacus