Anterior Compartment of forearm

Question 1

antebrachial fascia

Answer 1

fascia on palmar side of hand

Question 2

where do all superficial/intermediate anterior forearm muscles derive from

via what

and what are they

Answer 2

medial epicondyle via common flexor tendon

pronator teres-most lateral

flexer carpi radialis-biggest

palmaris longis-second most medial

flexor carpi ulnaris-most medial

Question 3

pronator teres attachments

Answer 3

humeral head-medial epicondyle of humerous

ulnar head-coronoid process of humorous

both insert into lateral radius (distill to supinator insertion)

Question 4

pronator teres innervaiton

Answer 4

median nerve c6-7

Question 5

pronator teres actions

Answer 5

pronate forarm

weakly flex forearm at elbow

Question 6

flexor carpi radialis attachments

Answer 6

medial epicondyle of humorous

2nd metacarpal (index finger) or possibly middle finger

Question 7

flexor carpi radialis innervation

Answer 7

median nerve c6-7

Question 8

flexor carpi radialis actions

Answer 8

flex and abudct hand at wrist

Question 9

palmaris longis attachments

Answer 9

medial epicondyle of humorous

palmar aponeuorsis

Question 10

palmaris longis innervation

Answer 10

median nerve c7-8

Question 11

palmaris longis actions

Answer 11

tighten palmar aponueris at wrist

weakly flex arm at elbow

Question 12

flexor carpi ulnaris attachments

Answer 12

humeral-medial epicondyle of humorous
ulnar-olecranon

both insert into baee of pisiform bone, hook of hamate, and base of 5th metacarpal

Question 13

flexor carpi ulnaris innervation

Answer 13

ulnar nerve c7-t1

Question 14

flexor carpi ulnaris actions

Answer 14

fle and adduct hand at wrist

Question 15

intermiedate layer things

Answer 15

flexor digitorum superficialis

median nerve right under it

Question 16

flexor digitorum superficialis attachments

Answer 16

humeral-flexor digitorum superficialis
ulnar-coroid process of ulna

both insert into the sides of middle phalanges of the 2nd to 5th digits

Question 17

flexor digitorum superficialis innervation

Answer 17

median nerve c8-t1

Question 18

flexor digitorum superficialis actions

Answer 18

flex at MCP and PIP jints

weakly flex arm at elbox

Question 19

three deep anterior forearm muscles

Answer 19

flexor pollicis longus, flexor digitorum prfundus, pronator quadratus

Question 20

flexor pollicis longus attachments

Answer 20

midanterior surface of radius
and adjucant inerosseous membrane

inserts onto palmar surface of distal phalanx of thumb

Question 21

flexor pollicis longus innervation

Answer 21

median nerve c7-c8

Question 22

flexor pollicis longus actions

Answer 22

flex hand at wrist and flex thump at MCP, IP, and carpometacrpal joint

also abducts hand at wrist

Question 23

flexor digitorum prfundus attachments

Answer 23

originates form two thirds of floor surface of ulna and interrorseous membrane

inserts into palmar surface of distal phalanxes of 2nd and 5th digits

Question 24

flexor digitorum prfundus innervation

Answer 24

median nerve c8-t1

and ulnar nerve c8-t1

Question 25

flexor digitorum prfundus actions

Answer 25

flex hand at wrist

flex 2nd to 5th digits at MCP, PIP, and DIP joints

Question 26

pronator quadratus attachments

Answer 26

anteiror surface of distal quarter of ulna

inserts onto anterior surface of distal quarter of radius

Question 27

pronator quadratus innervation

Answer 27

median nerve c7-8

Question 28

pronator quadratus actions

Answer 28

pronates hand

stabilizes distal radioulnar joint

Question 29

order of finger joints

Answer 29

MCP, PIP, DIP

Question 30

ulnar artery path

what runs with it

Answer 30

divides early into common interosseous artery

• then divide into anterior and postiroor interosseous arteries
• anterior lies on top of iteroosseous membrane

ulnar nerve

Question 31

radial artery path

where located

what runs with it

Answer 31

deep to brachioradialis

superficial branch of radial nerve