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Anatomy > Lab 4 Part 2: Origins, Insertions, Actions > Flashcards

Lab 4 Part 2: Origins, Insertions, Actions Flashcards

1
Q

what is the origin of the biceps brachii?

A

-scapula

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2
Q

what is the insertion of the biceps brachii?

A

-radius

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3
Q

what is the action of the biceps brachii?

A

-flexes the arm and forearm @ shoulder joint

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4
Q

what is the origin of the brachialis?

A

-humerus

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5
Q

what is the insertion of the brachialis?

A

-ulna

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6
Q

what is the action of the brachialis?

A

-flexes forearm

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7
Q

what is the origin of the triceps brachii?

A

-long head: infraglenoid tubercle (scapula)
-lateral head + medial head: humerus

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8
Q

what is the insertion of the triceps brachii?

A

-ulna

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9
Q

what is the action of the triceps brachii?

A

-extends arm + forearm

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10
Q

what is the origin of the brachioradialis?

A

-humerus

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11
Q

what is the insertion of the brachioradialis?

A

-radius

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12
Q

what is the action of the brachioradialis?

A

-flexes forearm

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13
Q

what is the origin of the extensor carpi radialis brevis?

A

-humerus

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14
Q

what is the insertion of the extensor carpi radialis brevis?

A

-metacarpal 3

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15
Q

what is the action of the extensor carpi radialis brevis?

A

-extends + abducts hand

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16
Q

what is the origin of the extensor carpi radialis longus?

17
Q

what is the insertion of the extensor carpi radialis longus?

A

-metacarpal 2

18
Q

what is the action of the extensor carpi radialis longus?

A

-extends + abducts hand

19
Q

what is the origin of the extensor carpi ulnaris?

A

-humerus
-ulna

20
Q

what is the insertion of the extensor carpi ulnaris?

A

metacarpal 5

21
Q

what is the action of the extensor carpi ulnaris?

A

-extends + adducts hand

22
Q

what is the origin of the extensor digitorum?

23
Q

what is the insertion of the extensor digitorum?

A

-distal + middle phalanges

24
Q

what is the action of the extensor digitorum?

A

-extends distal and middle phalanges

25
Q

what is the origin of the flexor carpi radialis?

26
Q

what is the insertion of the flexor carpi radialis?

A

-metacarpals 2+3

27
Q

what is the action of the flexor carpi radialis?

A

-flexes and abducts hand

28
Q

what is the origin of the flexor carpi ulnaris?

A

-humerus
-ulna

29
Q

what is the insertion of the flexor carpi ulnaris?

A

-metacarpal 5

30
Q

what is the action of the flexor carpi ulnaris?

A

-flexes and adducts hand

31
Q

what is the origin of the palmaris longus?

32
Q

what is the insertion of the palmaris longus?

A

-flexor retinaculum
-palmar aponeurosis
-(hand/palm)

33
Q

what is the action of the palmaris longus?

A

-weakly flexes hand

34
Q

what is the origin of the pronator teres?

A

-humerus
-ulna

35
Q

what is the insertion of the pronator teres?

36
Q

what is the action of the pronator teres?

A

-pronates and weakly flexes the forearm

Anatomy (29 decks)

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