forearm

Question 1

what is the radius

Answer 1

bone in forearm lies laterally and parallel to ulna

articulates at the elbow joint, Proximal radioulnar join, wrist joint and Distal radioulnar joint

Question 2

what is the Radial tuberosity

Answer 2

A bony projection, which serves as the place of attachment of the biceps brachii muscle

Question 3

what can be found in the proximal region of the radius

Answer 3

head, neck, radial tuberosity

Question 4

what can be found in the distal region of the radius

Answer 4

styloid process, ulna notch which articulates with the head of the ulna forming the radioulnar joint

Question 5

what makes up the wrist joint

Answer 5

radius - 2 facets with the scaphoid and lunate carpal bones

Question 6

main role of the ulna

Answer 6

ulna acts as the stabilising bone, with the radius pivoting to produce movement.

Question 7

important landmarks of the proximal ulna

Answer 7

olecronon, coranoid process,trochlear notch, radial notch, tuberosity of ulna

Question 8

recall the movement of the hands

Answer 8

Flexion of digits – can be performed at each MCPJ, PIPJ and DIPJ and brings the hand into a fist.
Extension of digits – can be performed at each MCPJ, PIPJ and DIPJ and stretches the hand out straight.
Abduction of digits – moving the digits away from the midline (middle of 3rd digit).
Adduction of digits – moving the digits back toward the midline (middle of 3rd digit).
Opposition of thumb and little finger – bringing the thumb and little finger together.
Reposition of thumb and little finger – moving the thumb and little finger away from each other.

Question 9

what are the 2 types of joints in the hand

Answer 9

Metacarpophalangeal Joint (MCPJ) – knuckles

Interphalangeal Joints – These are the hinge joints between the phalanges The thumb is an exception. there are distal and proximal

Question 10

what are the 2 types of joints in the fingers

Answer 10

Metacarpophalangeal Joint (MCPJ) – knuckles

Interphalangeal Joints – These are the hinge joints between the phalanges The thumb is an exception. there are distal and proximal

Question 11

3 main bones of the hand

Answer 11

carpa bones, metacarpals, phalanges

Question 12

what are the 8 carpal bones of the hand

Some Lovers Try Positions That They Cant Handle

Answer 12

scaphoid
Lunate 
triquetrum
pisiform
trapezium
trapezoid
capitate
hamate

Question 13

name the muscles in the anterior superior compartment of the forearm

Answer 13

Flexor Carpi Ulnaris
Palmaris Longus
Flexor Carpi Radialis
Pronator Teres

Question 14

name the muscles in the intermediate superior compartment of the forearm

Answer 14

flexor digitorum superficialis

Question 15

name all the flexor muscles in the anterior forearm

Answer 15

superficial - flexor carpi radialis, pronator teres, palmaris longus, flexor carpi ulnaris

Intermediate - flexor digitorum superficialis

Deep- flexor pollicis longus, flexor digitorum profundus, pronator quadratus

Question 16

name all extensor muscles

Answer 16

superficial - extensor carpi radialis longus, extensor carpi radialis brevis, extensor digitorum, extensor digiti minime, extensor carpi ulnaris,

deep - extensor pollicis longus, extensor pollicis brevis, abductor pollicis longus, abductor pollicis brevis, extrensor indicis

Question 17

major nerves that supply the hand (palmar surface)

Answer 17

median - thumb, thenar eminence and index and middle finger

ulnar - little finger, ring finger and hypothenar eminence and interosseous muscles

Question 18

blood vessels that supply the hand

Answer 18

branches of 2 palmar arches superficial and deep fed by the radial and ulna arteries.

Deep arch = radial
Superficial arch - ulna

they anastomose

Question 19

what is the carpal tunnel and its contents

Answer 19

space between the flexor retinaculum of the wrist and the carpal bones of the wrist

flexor superficialis/profundus tendons, flexor pollicus longus tendon, flexor carpi radialis tendon and median nerve

Question 20

which nerve runs over the retinaculum and which goes under

Answer 20

over - ulna

under - median