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Anatomy Upper Extremity > Forearm and Dorsum of Hand > Flashcards

Forearm and Dorsum of Hand Flashcards

1
Q

bones of the forearm

A

ulna
radius

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2
Q

ulna bone articulations

A

articulates with humerus via the olecranon and coronoid process and radius via the radial notch
Distal end is the styloid process.

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3
Q

radius bone articulatoins

A

Proximal end: head, neck, and tuberosity
The head of the radiusarticulates with the:
Capitulum of the humerus
Radial notch of the ulna
Thedistal part of the radius is thestyloid process

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4
Q

whats is the fibroud interosseous membrane

A

courses between the radius and ulna

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5
Q

palpable bones of the forearm

A

styloid process of radius
head and styloid process of ulna
head of radius

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6
Q

what is the subital fossa

A

Triangular area on the anterior surface of the elbow

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7
Q

whats the medial border of cubital fossa

A

pronator teres

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8
Q

whats the lateral border of cubital fossa

A

brachioradialis

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9
Q

whats the superior border of cubital fossa

A

an imaginary lines between lateral and medial epicondyls

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10
Q

contents of cubtital fossa

A

biceps tendon
biceps artery
median nerve
brachial veins

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11
Q

arteries of the forearm

A

bifurcation of the brachial a.
ulnar a.
radial a.

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12
Q

ulnar artery

A

palpated on lateral side of the flexor carpi ulnaris (FCU) tendond
gived the common interosseous artery

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13
Q

teres major is the transition site of the axillary artery into the

A

brachial artery

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14
Q

median nerve sensory distribution

A

lateral aspect of palm of hand and lateral 3.5 digits
tips of lateral 3 fingers on dorsum of hand

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15
Q

median nerve motor suppy

A

most anterior forearm muscles
most thenar muscles in the hand
lumbricals 1 and 2

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16
Q

ulnar nerve motor supply

A

flexor carpi ulnaris,
medial 1.5 of flexor digitorum profundus,
hypothenar muscles,
all intrinsic hand muscles except those innervated by median nerve

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17
Q

ulnar nerve sensory distribution

A

medial aspect of palm and dorsum of hand,
palmar and dorsal aspects of 1.5 digits

18
Q

radial nerve supplies

A

the extensor (posterior) comparment

19
Q

the radial nerve emerges in the forearm by

A

traveling between the brachialis and brachioradialis

20
Q

branches of radial nerve

A

deep (motor) and superficial (sensory) branches

21
Q

T or F injury to the radial nerve is uncommon

A

T

22
Q

the lateral epicondyle is the common origin for

A

extensor muscles

23
Q

the medial epicondyle is the common origin for

A

flexor muscles

24
Q

what separates the flexors from the extensors

A

the radius and ulna along with the interosseous membrane

25
Q

interphalangeal joints (IP)

A

hinge joints (synovial)
proximal (PIP)
distal (DIP)

26
Q

movements of the wrist

A

flexion
extension
abduction (radial deviation)
adduction (ulnar deviatio)
pronation
supination

27
Q

abduction (radial deviatoin) of the wrist involves

A

syngerists activity of the flexor carpi radialis and the extensor carpi radialis brevis and longus

28
Q

adduction (ulnar deviation) of the wrist involves

A

syngeristic activity of the flexor carpi ullnaris and the extensor carpi ulnaris

29
Q

movements of the fingers

A

hyperextension
extension
flexion

30
Q

Superficial anterior forearm muscles

A

flexor carpi radialis
flexor carpi ulnaris
pronator teres
palmaris longus

31
Q

intermediate ant. forearm muscles

A

flexor digitorum superficialis (flexes at wrist, MCP, PIP)`

32
Q

deep ant. forearm muscles

A

flexor digitorum profundus
flexor pollicis longus
prontator quadratus

33
Q

superior posterior forearm muscles

A

extensor carpi radialis (brevis and longus)
extensor carpi unlaris
brachioradialis
extensor digitorum
extensor digiti minimi

34
Q

deep posterior forearm muscles

A

supinator
extensor indicis
abductor pollicis longus
extensor pollicis longus
extensor pollicis brevis

35
Q

nerve in carpal tunnel

A

median nerve is compressed causing tingling or diminshed/loss of sensation in lateral 3.5 digits

36
Q

dorsum of the hand muscles

A

dorsal interossei muscles

37
Q

radial fossa contents

A

radial artery

38
Q

medial border of radial fossa

A

extensor pollicis longus

39
Q

lateral border of radial fossa

A

extensor pollicis brevis and abductor pollicis longus

40
Q

T or F radial nerve in the hand does not supply any hand muscles

A

T

41
Q

The superficial branch of the radial nerve is enitrely sensory or motor

A

sensory

Anatomy Upper Extremity (12 decks)

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