Forearm to hand

Question 1

what are the parts of the radius ?

Answer 1

• radial head
• neck
• radial tuberosity
• interosseous border
• styloid process

Question 2

what is a distal radial fracture ?

Answer 2

weight going through the dorsal aspect of the forearm

Question 3

what is colle’s fracture ?

Answer 3

one of the most common wrist injuries made up of distal radius fractures with dorsal displacement.

Question 4

where is the ulna located in regards to the radius ?

Answer 4

more medial bone in the forearm

Question 5

what does the ulna and radius articulate together ?

Answer 5

pronation and supination

Question 6

how are the radius and ulna placed when in pronation

Answer 6

crossed

Question 7

what are the joints of the hands ?

Answer 7

• CMC (carpal metacarpal)
• MCP (metacarpal phalangeal)
• PIP (proximal interphalangeal)
• DIP (distal interphalangel)

Question 8

what are the four forearm flexors in the superficial layer ? (pass, fail, pass, fail)

Answer 8

• pronator teres
• flexor carpi radialis
• palmaris longus
• flexor carpi ulnaris
• brochioradialis

Question 9

what is the pronator teres responsible for ?

Answer 9

forearm pronation

Question 10

what is the flexor carpi radialis responsible for ?

Answer 10

wrist flexion + hand abduction

Question 11

what is the palmaris longus responsible for ?

Answer 11

wrist flexion

Question 12

what is the flexor carpi ulnas responsible for ?

Answer 12

wirst flexion and hand adduction

Question 13

what is the brachioradialis responsible for ?

Answer 13

elbow flexion

Question 14

what are the nerves of the superficial layer of the forearm flexors

Answer 14

median, ulnar and radial

Question 15

what are the three forearm flexors of the middle + deep layers ?

Answer 15

• RIP flexion
• DIP flexion
• forearm pronation : pronator quadratus

Question 16

what are the nerves of the muscles + deep layers of the forearm flexorsx ?

Answer 16

median and ulnar

Question 17

what nerve innervates the forearm extensors ?

Answer 17

radial

Question 18

what is epicondylitis ?

Answer 18

inflammation fo tendons at either medial or lateral epicondyle

Question 19

what is golfer’s elbow ?

Answer 19

a condition that causes pain where the tendons of your forearm muscles attach to the bony bump on the inside of your elbow

Question 20

what are the two bones of the forearm ?

Answer 20

radius and ulna

Question 21

which muscles of the forearm are innervated by the median and ulnar nerve ?

Answer 21

flexors (anterior)

Question 22

which muscles of the forearm are innervated by the radial nerve ?

Answer 22

posterior and brachioradialis

Question 23

what do flexor + extensor retinaculum do ?

Answer 23

hold tendons in place

Question 24

what holds tendons in place ?

Answer 24

flexor + extensor retinaculum

Question 25

what is the acronyms for carpal bones ?

Answer 25

some lovers try positions that they cannot handle

Question 26

name the eight carpal bones :

Answer 26

- scaphoid - lunate - triquetrum - posifform - trapezium - trapezoid - capitate - hamate

Question 27

what are the ligaments of the wrist ?

Answer 27

- radio collateral ligament - radoiocarpal ligaments - ulnar collateral ligament - radioulnar ligament

Question 28

describe the distal radioulnar joint :

Answer 28

- articulation between radius + ulna - contains an articulatiar disc (to cushion) - pronation / supination

Question 29

describe the radoiocarpal joint :

Answer 29

- articulation between radius + scaphoid, lunate and triquetrum + articular disc from radiulnar joint

Question 30

what bone doesn't participate in radoiocarpal joint ?

Answer 30

ulna

Question 31

what are the forearm flexor muscles acting on the wrist ?

Answer 31

- palmaris longus - flexor carpi radialis - flexor carpi ulnas - flexor digitorum superficialis - flexor digitorum profundus

Question 32

what are the forearm pronators muscles acting on the wrist ?

Answer 32

- pronator teres - pronator quadratura

Question 33

what are the forearm supinators ?

Answer 33

- biceps - supinator

Question 34

what are the two joints :

Answer 34

- radoiocarpal - distal radioulnar

Question 35

what are the extension + abduction of thumb of the outcropping muscles ?

Answer 35

- abductor pollicis longus - extensor pollicis longus - extensor pollicis brevis

Question 36

what four muscles make up the intrinsic muscles of the hand ?

Answer 36

- lumbricals - hypothenar - dorsal interossi (4) - palmar interossi (3)

Question 37

what does the lumbricals muscles of the hand do ?

Answer 37

cause flexion at metacarpophalangeal joint and extend the intephalangeal joint

Question 38

nerve 1 & 2 = what nerve ?

Answer 38

median

Question 39

nerve 3 & 4 = what nerve ?

Answer 39

ulnar

Question 40

what does the dorsal interossi muscles of the hand do ?

Answer 40

abduct digits from midline (DAB)

Question 41

what nerve is associated with the dorsal interossi muscles of the hand ?

Answer 41

ulnar

Question 42

what does the palmar interossei muscles of the hand do ?

Answer 42

adduct digits to midline (3PAD)

Question 43

what nerve is associated with the palmer muscles of the hand ?

Answer 43

ulnar

Question 44

how do the thumb and pinky move ?

Answer 44

they have their own series of muscles (thenar and hypothenar muscles)