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Adam KCU Anatomy I Exam 2 > Muscles of the Hand > Flashcards

Muscles of the Hand Flashcards

1
Q

Posterior interosseous artery

Anterior interosseous artery

A

Blood of Extensor Indicis

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2
Q

Innervation of Extensor Indicis

A

Posterior interosseous nerve (C7-8)

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3
Q

What type of muscle is abductor pollics brevis?

A

Thenar/Intrinsic Muscle

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4
Q

What type of muscle is flexor pollicis brevis?

A

Thenar/Intrinsic Muscle

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5
Q

What type of muscle is the opponens pollicis?

A

Thenar/Intrinsic Muscle

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6
Q

What is the common innervation of thenar muscles?

A

Recurrent branch of median nerve (C8, T1)

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7
Q

What type of muscle is Dorsal Interossei?

A

Interossei Muscle

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8
Q

What type of muscle is Palmar Interossei?

A

Interossei Muscle

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9
Q

What is the innervation of Radial Lumbrical Muscles?

A

Median Nerve

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10
Q

What is the innervation of the Ulnar Lumbrical Muscles?

A

Ulnar Nerve

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11
Q

Function of the Lumbrical muscles?

A

Flex MCP Joints of digits 2-5 Extend IP joints of digits 2-5

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12
Q

Flexor retinaculum Palmar Aponeurosis

A

Origin of Palmaris Brevis

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13
Q

Skin on medial side of palm

A

Insertion of Palmaris Brevis

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14
Q

Tenses skin on palm

A

Action of Palmaris Brevis

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15
Q

Posterior surface of distal 1/3 of ulna and interosseous membrane

A

Origin of Extensor Indicis

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16
Q

Extensor expansion of second finger (index)

A

Insertion of Extensor Indicis

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17
Q
  • Independent extension of 2nd finger - Helps with wrist extension
A

Action of Extensor Indicis

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18
Q

Flexor retinaculum Tubercles of scaphoid and trapezium

A

Origin of Opponens Pollicis

19
Q

Lateral side of 1st metacarpal

A

Insertion of Opponens Pollicis

20
Q

Oppose thumb and medially rotate 1st metacarpal

A

Action of Opponens Pollicis

21
Q

Flexor retinaculum Tubercles of scaphoid and trapezium

A

Origin of Abductor Pollicis Brevis

22
Q

Lateral side of base of proximal phalanx of thumb

A

Insertion of Abductor Pollicis Brevis

23
Q

Abduct thumb Aid in opposition

A

Action of Abductor Pollicis Brevis

24
Q

Flexor Retinaculum and tubercles of scaphoid and trapezium

A

Origin of Flexor Pollicis Brevis

25
Q

Lateral side of base of proximal phalanx of thumb

A

Insertion of Flexor Pollicis Brevis

26
Q

Flexes thumb

A

Action of Flexor Pollicis Brevis

27
Q

Bases of 2nd and 3rd metacarpals Capitate Adjacent Carpals

A

Origin of Adductor Pollicis

28
Q

Medial side of base of proximal phalanx of thumb

A

Insertion of Adductor Pollicis

29
Q

Adducts thumb toward later border of palm

A

Action of Adductor Pollicis

30
Q

Pisiform

A

Origin of Abductor Digiti Minimi

31
Q

Medial side of base of proximal phalanx of 5th digit

A

Insertion of Abductor Digiti Minimi

32
Q

Abducts 5th digits Aids in flexion of 5th proximal phalanx

A

Action of Abductor Digiti Minimi

33
Q

Hook of hamate and flexor retinaculum

A

Origin of Flexor Digiti Minimi

34
Q

Medial side of base of proximal phalanx of 5th digit

A

Insertion of Flexor Digiti Minimi

35
Q

Flexes proximal phalanx of 5th digit

A

Action of Flexor Digiti Minimi

36
Q

Hook of hamate and flexor retinaculum

A

Origin of Opponens Digiti Minimi

37
Q

Medial border of 5th metacarpus

A

Insertion of Opponens Digiti Minimi

38
Q

Brings 5th metacarpal anterior and rotates it

A

Action of Opponens Digiti Minimi

39
Q

Abduct MP joints of digits 2-4

A

Function of DAB

40
Q

Adduct MP joints of digits, 1, 2, 4, 5

A

Function of PAD

41
Q

Radial Artery (4)

A

Opponens Pollicis

Abductor Pollicis Brevis

Flexor Pollicis Brevis

Adductor Pollicis

42
Q

Ulnar Artery (3)

A

Abductor Digiti Minimi

Flexor Digiti Minimi

Opponens Digiti Minimi

43
Q

Median Nerve (3)

A

Opponens Pollicis

Abductor Pollicis Brevis

Flexor Pollicis Brevis

44
Q

Deep Branch of Ulnar Nerve (4)

A

Adductor Pollicis

Abductor Digiti Minimi

Flexor Digiti Minimi

Opponens Digiti Minimi

Adam KCU Anatomy I Exam 2 (16 decks)

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