Arm

Question 1

movements of anterior compartment forearm

Answer 1

flexion and pronation

Question 2

movements of posterior compartment forearm

Answer 2

extension and supination

Question 3

how many layers in the anterior compartment forearm

Answer 3

3
superficial
intermediate
deep

Question 4

what is the most medial muscle in the anterior compartment of the forearm ?

Answer 4

flexor carpi ulnaris

Question 5

what muscles are in the superficial layer of the anterior compartment of the forearm?

Answer 5

flexor carpi ulnaris
palmaris longus
flexor carpi radialis
pronator teres

Question 6

what is the most lateral muscle in the anterior compartment of the forearm ?

Answer 6

pronator teres

Question 7

what muscles are in the intermediate layer of the anterior compartment of the forearm?

Answer 7

flexor digitorum superficialis

Question 8

what muscles are in the deep layer of the anterior compartment of the forearm?

Answer 8

flexor digitorum profundus
pronator quadratus
flexor pollicus longus

Question 9

Origin, attachment, action and nerve supply of flexor carpi ulnaris

Answer 9

common flexor tendon (medial epicondyle)
and olecranon (2 heads)

5th metacarpal, hook hamate and pisiform

flexion of wrist and adduction

innervated by ulnar nerve

Question 10

Origin, attachment, action and nerve supply of palmaris longus

Answer 10

medial epicondyle, common flexor tendon

palmar aponeurosis

flexion

median nerve

Question 11

Origin, attachment, action and nerve supply of flexor carpi radialis

Answer 11

medial eicondyle, common flexor tendon

2nd metatarsal

flexion and abduction

median nerve

Question 12

Origin, attachment, action and nerve supply of pronator teres

Answer 12

2 heads - medial epiondyle and coronoid process

mid shaft radius

flexion and pronation

median

Question 13

Origin, attachment, action and nerve supply of flexor digitorum superficialis

Answer 13

2 heads
- common flexor origin and coronoid
- anterioroblique line on radius

middle phlanges

flex the PIPs

median nerve

Question 14

Origin, attachment, action and nerve supply of flexor digitorum profundus

Answer 14

2 parts - medial and lateral

proximal 3/4 of ulnar and the interosseus membrane

medial - 4th and 5th distal phalanges
lateral - 2nd and 3rd distal phakanges

flex DIPs and wrist

medial - ulnar

lateral - AIN

Question 15

Origin, attachment, action and nerve supply of pronator quadratus

Answer 15

distal 1/4 of radius and ulnar

primary pronator

AIN

Question 16

Origin, attachment, action and nerve supply of flexor pollicus longus

Answer 16

anterior radius and interosseus membrane

base of thumb phalynx

flex the thumb

AIN

Question 17

how many tunnels in the posterior compartment forearm?

Answer 17

6

Question 18

contents of 1st tunnel in posterior forearm

Answer 18

most lateral - radial side
lateral border of anatomical snuffbox

abductor pollicis longus
extensor pollicis brevis

Question 19

contents of 2nd tunnel in posterior forearm

Answer 19

extensor carpi radialis longus
extensor carpi radialis brevis

Question 20

contents of 3rd tunnel in posterior forearm

Answer 20

extensor pollicis longus

Question 21

contents of 4th tunnel in posterior forearm

Answer 21

extenosr digitorum
extensor indicus

Question 22

contents of 5th tunnel in posterior forearm

Answer 22

extensor digiti minimi

Question 23

contents of 6th tunnel in posterior forearm

Answer 23

extensor carpi ulnaris

Question 24

Origin, attachment, action and nerve supply of abductor pollicus longus

Answer 24

upper 1/2 radius and ulnar ad interosseus membrane

base of 1st metacarpal

abducts and extends the thumb

PIN

Question 25

Origin, attachment, action and nerve supply of extensor pollicus brevis

Answer 25

distal 1/3 radius and interosseus membrane phalynx thumb PIN extend the phalynx of thumb

Question 26

Origin, attachment, action and nerve supply of extensor carpi radialis longus

Answer 26

lateral supracondylar ridge on humerus 2nd metacarpal radial nerve extend and abduct

Question 27

Origin, attachment, action and nerve supply of extensor carpi radialis brevis

Answer 27

common extensor origin - lateral epicondyle 3rd metacarpal deep radial branch extend and abduct

Question 28

Origin, attachment, action and nerve supply of extensor pollicus longus

Answer 28

middle 1/3 ulnar and interosseus membrane thumb phalynx extend all joints of the thumb PIN

Question 29

Origin, attachment, action and nerve supply of extensor digitorum

Answer 29

lateral epicondyle extesor expansions of digitis extend metacarpophalyngeal and interphalyngeal joints radial

Question 30

Origin, attachment, action and nerve supply of extensor indicus

Answer 30

distal 1/3 ulnar and interousseus membrane extensor expansion 2nd digit extend index finger and a bit of wrist PIN

Question 31

Origin, attachment, action and nerve supply of extensor digiti minimi

Answer 31

lateral epicondyle extensor expansion 5th digit extend MCPJs and IPJs Radial

Question 32

Origin, attachment, action and nerve supply of extensor carpi ulnaris

Answer 32

lateral epicondyle and posterior ulnar base of 5th metacarpal extent and abduct radial

Question 33

where do you find interossei

Answer 33

beside and infront of metacarpals insert into extensor expansions

Question 34

what do introssei do?

Answer 34

abduct and adduct fingers

Question 35

where do you find lumbricals

Answer 35

profundus tendons insert itno extensor expansions

Question 36

what do lumbricals do

Answer 36

extens interphalangeal and flex metacarpal phalangeal joints

Question 37

which vein runs along the medial aspet of the forearm

Answer 37

basillic

Question 38

where does the cephralic artery become deep?

Answer 38

deltopectoral fascia

Question 39

whichfascia does the cephalic vein peiece

Answer 39

clavicopectral

Question 40

what vein connects the basillic and cephalic veins

Answer 40

median cubital

Question 41

where does the axillary artery commence

Answer 41

subclavian becomes axillary at lateral border of first rib

Question 42

where does the axillary become the brachial artery

Answer 42

border of teres major

Question 43

what divides th axiallry artery into 3 parts

Answer 43

pec minor

Question 44

branches of axillary artery

Answer 44

part 1 - superior thoracic part 2 - acromithoracic and lateral thoracic part 3 subscap anterior and posterior circumflex

Question 45

wjere does the brachial artery become the radial/ulnar arteries

Answer 45

neck of radius or higher

Question 46

which direction does the median nerve cross the brachial artery

Answer 46

lateral to medial at mid humerus

Question 47

does the ulna artery run deep or superficial to the common flexor orgin

Answer 47

deep

Question 48

which nerve lies medial to the axillary and brachial artery until mind humerus

Answer 48

ulnar atmid humerus the median then crooses materal to medial