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A & P Unit 2 > Week 5 Stuff > Flashcards

Week 5 Stuff Flashcards

1
Q

List the muscles of the thenar eminence and the general location in the hand.

A

Abductor pollicis brevis, flexor pollicis brevis, opponens pollicis, adductor pollicis. Radial side of palm

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2
Q

List the muscles of the hypothenar eminence and the general location in the hand.

A

Abductor digiti minimi, flexor digiti minimi brevis, opponens digiti minimi. Ulnar side of palm

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3
Q

How many palmar interossei muscles are there?

A

3

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4
Q

How may dorsal interossei muscles are there?

A

4

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5
Q

The median nerve innervates all the thenar eminence muscles except which?

A

Adductor pollicis

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6
Q

The ulnar nerve innervates all the _______________________eminence muscles.

A

hypothenar

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7
Q

The palmar interossei muscles perform [3] ____________ at the ___________________joints of digits________________.

A

adduction, metacarpophalangeal, 2, 4 and 5

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8
Q

The dorsal interossei muscles perform [3] __________________ at the____________________joints of digits______________.

A

abduction, metacarpophalangeal, 2, 3 and 4

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9
Q

What is the innervation of the lumbricals?

A

Median nerve to lumbricals 1 and 2. Ulnar nerve to lumbricals 3 and 4

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10
Q

What is the primary action of the lumbricals at which digits?

A

Flexion at metacarpophalangeal joint of digits 2-5. Extension at proximal and distal interphalangeal joints of digits 2-5

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11
Q

Name the movements at the elbow joint.

A

Flexion and extension

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12
Q

Name the articulations that make up the traditional elbow joint.

A
  • Trochlea of humerus articulates with trochlear notch of the ulna.
  • Capitulum of humerus articulates with the head of the radius
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13
Q

Name the movements of the radioulnar joint.

A

Supination, pronation

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14
Q

Name the articulation that makes up the proximal radioulnar joint.

A

Head of the radius articulates with the radial notch of the ulna

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15
Q

Which bones form the proximal row of carpals?

A

Scaphoid, lunate, triquetrum, pisiform

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16
Q

Which bones form the distal row of carpals?

A

Trapezium, trapezoid, capitate, hamate

17
Q

Which muscle attaches to the olecranon process?

A

Triceps brachii, flexor carpi ulnaris

18
Q

The head of the ulna is on the proximal or distal end of the ulna?

A

distal

19
Q

What is the distal attachment of brachioradialis?

A

Lateral side of the distal end of the radius

20
Q

Which carpal bone articulates with the 1st metacarpal?

A

trapezium

21
Q

What is the anatomical term for the knuckle joint?

A

Metacarpophalangeal joint

22
Q

Which muscle flexes the elbow and is deep to the biceps brachii?

A

Brachialis

23
Q

Which muscle flexes the elbow in radioulnar joint neutral?

A

Brachioradialis

24
Q

What is the distal attachment of abductor pollicis longus?

A

Base of metacarpal 1

25
Q

What is the distal attachment of flexor carpi radialis?

A

Base of metacarpal 2

26
Q

What is the distal attachment of flexor carpi ulnaris?

A

Base of metacarpal 5, pisiform, and hook of hamate

27
Q

What is the distal attachment of extensor carpi radialis longus?

A

Base of metacarpal 2, dorsal surface

28
Q

What is the distal attachment of extensor carpi radialis brevis?

A

Base of metacarpal 3, dorsal surface

29
Q

What is the distal attachment of extensor carpi ulnaris?

A

Base of metacarpal 5, dorsal surface

30
Q

Name the superficial muscles of the anterior forearm.

A

Flexor carpi radialis, palmaris longus, flexor digitorum superficialis, flexor carpi ulnaris

31
Q

Name the deep muscles of the anterior forearm.

A

Flexor pollicis longus, flexor digitorum profundus

32
Q

Which tendons form the anatomical snuffbox?

A

Abductor pollicis longus, extensor pollicis brevis, extensor pollicis longus

33
Q

The tendon of which muscle courses around the dorsal tubercle?

A

Extensor pollicis longus

34
Q

The tendons of which muscle split to attach to the sides of the middle phalanges of digits 2-5?

A

Flexor digitorum superficialis

35
Q

Which muscles extend digit 1 at the CMC joint?

A

Extensor pollicis longus, extensor pollicis brevis, abductor pollicis longus

A & P Unit 2 (20 decks)

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