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Anatomy > 5c - Muscular System; Forelimb > Flashcards

5c - Muscular System; Forelimb Flashcards

1
Q

extrinsic foreleg muscles function

A

attach leg to body and move whole limb

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2
Q

intrinsic foreleg muscle function

A

move particular joints e.g. shoulder, elbow

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3
Q

what is syncarnosis

A

when a limb is attached through muscle only and not skeleton

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4
Q

name 4 extrinsic muscles of forelimb

A

pectorals
brachiocephalicus
trapezium
latissimus dorsi

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5
Q

pectorals origin and insertion

A

origin: sternum
insertion: humerus

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6
Q

pectorals function

A

adduct foreleg

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7
Q

pectorals location

A

under surface - ventral

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8
Q

brachiocephalicus origin and insertion

A

origin neck and skull
insertion humerus

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9
Q

brachiocephalicus function

A

protract forelimb

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10
Q

brachiocephalicus location

A

from neck running parallel to humerus

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11
Q

trapezius origin and insertion

A

origin spine
insertion scapula

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12
Q

trapezius function

A

lifts leg to allow movement

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13
Q

trapezius location

A

next to neck along spine to scapula

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14
Q

latissimus dorsi origin and insertion

A

origin spine (thoracic and lumbar)
insertion humerus

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15
Q

latissimus dorsi function

A

retract forelimb

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16
Q

latissimus dorsi location

A

next to trapezius along dorsal aspect of back

17
Q

name 4 intrinsic muscles of forelimb

A

infraspinatus
supraspinatus
triceps brachii
biceps brachii

18
Q

infraspinatus origin and insertion

A

origin scapula
insertion humerus

19
Q

infraspinatus function

A

shoulder flexion

20
Q

infraspinatus location

A

below the spine of scapula

21
Q

supraspinatus origin and insertion

A

origin scapula
insertion humerus

22
Q

supraspinatus function

A

shoulder extension

23
Q

supraspinatus location

A

above the spine of scapula

24
Q

triceps brachii origin and insertion

A

origin humerus and scapula
insertion ulna

25
Q

triceps brachii function

A

elbow extension

26
Q

triceps brachii location

A

behind humerus

27
Q

biceps brachii origin and insertion

A

origin scapula
insertion radius and ulna

28
Q

biceps brachii function

A

elbow flexion

29
Q

biceps brachii location

A

on top of humerus

Anatomy (15 decks)

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