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Anatomy Lab > Lab 3 > Flashcards

Lab 3 Flashcards

1
Q

Where is the cephalic vein?

A

20

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2
Q
A

triceps brachii, radial nerve

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3
Q

Where is the median cubital vein?

A

19

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4
Q

How do you determine if you are looking at a right or left ulna?

A

Put fingers in trochlear notch, whichever side radial notch is on, that is the side of the bone.

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5
Q
A

basilic vein

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6
Q

Where is the flexor carpi radialis muscle? List the origin, insertion, innervation, blood supply and action.

A

Origin: medial epicondyle

Insertion: base of 2nd and 3rd metacarpal

Innevation: median nerve

Blood supply: radial artery

Action: flexion at wrist and abduction of the hand

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7
Q
A

flexor digitorum superficialis, middle phalanges of medial 4 digits

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8
Q
A

ulnar notch, right

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9
Q

Where is the radial and ulnar arteries?

A
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10
Q

What muscle is this? List the origin, insertion, innervation, blood supply and action.

A

Pronator Quadratus

Origin: distal fourth of anterior surface of ulna

Insertion: distal fourth of anterior surface of radius

Innervation: anterior interosseous nerve

Blood supply: anterior interosseous artery

Action: pronation of the forearm

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11
Q
A

olecranon fossa

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12
Q

Where is the anterior and posterior circumflex humeral arteries?

A

anterior - coming to front

posterior - going to back

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13
Q
A

flexor pollicis longus, anterior interosseous nerve

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14
Q

Where is the brachioradialis muscle? List the origin, insertion, innervation, blood supply, and action.

A

Origin: proximal 2/3 of lateral supracondylar ridge

Insertion: lateral surface of distal end of radius

Innervation: radial nerve

Blood supply: radial recurrent artery

Action: flexion of forearm

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15
Q
A

hinge

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16
Q

Where is the median antebrachial vein?

A

16

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17
Q

Where is the coracobrachialis muscle? What is the origin, insertion, innervation, blood supply, and action of this muscle?

A

Origin: Coracoid process

Insertion: middle third of medial surface of humerus

Innervation: musculocutaneous

Blood supply: brachial artery

Action: flexion and adduction at shoulder

18
Q

Where is the anterior interosseous, posterior interosseous, and common interosseous arteries?

A

anterior - 10

posterior - 11

common - where they meet

19
Q

What is the (i) functional and (ii) structural classification of the humeral-radial joint?

A

(i) uniaxial
(ii) hinge

20
Q

Label the muscles you see.

A
21
Q

Where is the flexor digitorum superficialis muscle? List the origin, insertion, innervation, blood supply and action.

A

Origin

  • humeroulnar head: medial epicondyle and coronoid process of ulna
  • radial head: anterior oblique line of radius

Insertion: middle phalanges of medial four digits

Innervation: median nerve

Blood supply: ulnar artery

Action: flexion at medial 4 proximal interphalangeal joints, flexion at metacarpophalangeal joints, flexion of the hand

22
Q

Where is the flexor pollicis longus muscle? List the origin, insertion, innervation, blood supply and action.

A

Origin: anterior surface of radius and interosseous membrane

Insertion: base of distal phalanx of 1st digit

Innervaton: anterior interosseous nerve

Blood supply: anterior interosseous artery

Action: wrist flexion, flexion of metocarpopalangeal and interphalangeal joint of 1st digit

23
Q
A

ulnar tuberosity, right

24
Q
A

flexor carpi ulnaris, flexion at wrist and adduction of hand

25
Q

What is the (i) functional and (ii) structural classification of the humeral-ulnar joint?

A

(i) uniaxial
(ii) hinge

26
Q

Where is the brachialis muscle? List the origin, insertion, innervation, blood supply and action.

A

Origin: distal half of anterior surface of humerus

Insertion: coronoid process and ulnar tuberosity

Innervation: musculocutaneous

Blood supply: radial recurrent artery

Action: flexion of forearm

27
Q
A

capitulum, left

28
Q

Where is the biceps brachii muscle? List the origin, insertion, innervation, blood supply and action.

A

Origin:

  • short head: coracoid process
  • long head: supraglenoid tubercle

Insertion: radial tuberosity and fascia of forearm

Innervation: musculocutaneous

Blood supply: brachial artery

Action: flexion of forearm, supination of forearm

29
Q

Where is the palmaris longus? List the origin, insertion, innervation, blood supply and action.

A

Origin: medial epicondyle

Insertion: flexor retinaculum, palmar aponeurosis

Innervation: median nerve

Blood supply: ulnar artery

Action: flexion at the wrist, tightening of aponeurosis

30
Q

Where is the triceps brachii muscle? List the origin, insertion, innervation, blood suppy, and action.

A

Origin

  • long head: infraglenoid tubercle
  • lateral head: posterior surface superior to the radial groove
  • medial head: posterior surface inferior to the radial groove

Insertion: proximal end of olecranon

Innervation: radial nerve

Blood supply: deep brachial artery

Action: extension of forearm

31
Q

How do you determine if you are looking at a left or right radius?

A

Put your thumb on the smooth side of the end the styloid is on. Whichever side the styloid is pointing to, that is the side of the bone.

32
Q
A

coracobrachialis, brachial artery

33
Q

Where is the deep brachial artery?

A

4

34
Q

Where is the flexor digitorum profundus muscle? List the origin, insertion, innervation, blood supply, and action.

A

Origin: proximal 3/4 of medial and anterior surfaces of ulna and interosseous membrane

Insertion: base of distl phalanx of medial 4 digits

Innervation: medial part = ulnar nerve, lateral part = median nerve

Blood supply: anterior interosseous artery

Action: flexion at distal interphalangeal joints, assits with flexion at the wrist

35
Q

Where is the flexor carpi ulnaris muscle? List the origin, insertion, innervation, blood supply, and action.

A

Origin: olecranon and posterior border of ulna

Insertion: pisiform, hook of hamate, 5th metacarpal

Innervation: ulnar nerve

Blood supply: ulnar artery

Action: flexion at the wrist, adduction of the hand

36
Q
A

glenoid cavity

37
Q
A

pronator teres, middle lateral 3rd of radius

38
Q
A

flexor digitorum profundus, anterior interosseous artery

39
Q
A

ulnar artery

40
Q

Where is the pronator teres muscle? List the origin, insertion, innervation, blood supply, and action.

A

Origin: medial epicondyle of humerus, coronoid process of ulna

Insertion: pronator tuberosity

Innervation: median nerve

Blood supply: ulnar artery, radial artery

Action: pronation and flexion of forearm

41
Q

What is the (i) functional and (ii) structural classifcation of the proximal radioulnar joint?

A

(i) uniaxial
(ii) pivot

Anatomy Lab (9 decks)

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