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MSK ANATOMY > anterior forearm and wrist > Flashcards

anterior forearm and wrist Flashcards

1
Q

action and innervation of flexor carpi ulnaris

A

ulnar nerve

flexion and adduction of the wrist

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2
Q

action and innervation of the palmaris longus

A

median nerve

flexion at the wrist

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3
Q

action and innervation of Flexor Carpi Radialis

A

median nerve

flexion and abduction of the wrist

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4
Q

action and innervation of pronator teres

A

pronation of the forearm

median nerve

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5
Q

order of anterior superficial muscles from medial to lateral

A

flexor carpi ulnaris
palmaris longus
flexor carpi radialis
pronator teres

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6
Q

muscle in middle layer of anterior forearm and innervation

A

flexor digitorum superficialis

median nerve

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7
Q

2 muscles in the deep layer

A

flexor digitorum profundus

flexor pollicis longus

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8
Q

dual innervation of the flexor digitorum profundus

A

lateral part- median nerve

medial- ulnar

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9
Q

role of the flexor pollicis longus

A

flexes the thumb

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10
Q

role of pronator quadratus

A

pronates the distal radioulnar joint

Forearm pronation

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11
Q

what is the proximal radioulnar joint an articulation of

A

formed by an articulation between the head of the radius and the radial notch of the ulna

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12
Q

what is the Distal Radioulnar Joints articulation

A

It is an articulation between the ulnar notch of the radius, and the ulnar head.

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13
Q

name of the bones of the digits

A

phalanges

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14
Q

what is the cubital fossa

A

triangular shaped region anterior to the elbow

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15
Q

structures within the cubital fossa

A

biceps tendon
median nerve
brachial artery
superficial veins

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16
Q

tendons of the forearm that travel through the carpal tunnel

A

flexor pollicis longus
flexor digitorum profundus
flexor digitorum superficialis

17
Q

How are the radius and ulna connected

A

Interosseous membrane

18
Q

How is the elbow joint made up

A

Trochlea notch of the ulna articulates with the trochlea of the humerus
Radial head articulates with the capitellum of the humerus

19
Q

Muscles of the anterior forearm , superficial ones are attached proximally to

A

Medial epicondyle

20
Q

Function of carpal tunnel

A

Narrow passageway found on the anterior portion of the wrist
Entrance to the palm for several tendons and the median nerve

21
Q

What does the anatomical snuffbox contain

A

Radial artery
Superficial branch of radial nerve
Cephalic vein

22
Q

Proximal row of carpal bones

A

Scaphoid
Lunate
Triquetrum
Pisiform

23
Q

Distal row of carpal bones

A

Trapezium
Trapezoid
Capitate
Hamate

24
Q

What is a dermatome

A

Area of skin in which sensory nerves derive from a single spinal nerve root

25
Q

Examples of some dermatomes

A

C6- thumb
C7- middle finger
T4- nipple
T10- umbillicus

26
Q

Muscles in the deepest layer of anterior forearm

A

Pronator quadratus

MSK ANATOMY (9 decks)

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