Arm/forearm

Question 1

Biceps brachii

Action (2) (1 secondary)

Answer 1

Flexes and Supinates forearm

Flexes arm

Question 2

Biceps brachii

Neurovasculature

Answer 2

Musculocutaneous n

brachial vessels

Question 3

Coracobrachialis

neurovasculature

Answer 3

musculocutaneous n

Brachial vessels

Question 4

Brachialis

Neurovasculature

Answer 4

radial and musculocutaneous nerve

Brachial vessels

Question 5

Triceps brachii

action

Answer 5

extends forearm

Question 6

Triceps brachii

Neurovasculature

Answer 6

Radial nerve

Deep brachial vessels

Question 7

Cubital fossa

Contains (lateral to medial order)

Answer 7

Biceps brachii tendon
brachial artery
median n.

Question 8

Major structure that does not pass thru cubital fossa

Answer 8

ulnar nerve (posterior to medial epicondyle of humerus)

Question 9

Anterior compartment contains
3 motor
2 cuttaneous

Answer 9

ulnar, musculocutaneous, median

medial brachial, medial antebrachial cuttaneous

Question 10

Long head of tricep action (3)

Answer 10

extend forearm

extend arm, adduct arm

Question 11

Cubital fossa borders

Answer 11

Lateral: brachioradialis
Medial: pronator teres
Superior: line between humeral epicondyles
Floor: supinator and brachialis muscles

Question 12

Muscles of deep posterior forearm innervated by

Answer 12

posterior interosseous nerve (continuation of radial)

Question 13

Superficial muscles of anterior compartment

Answer 13

Flexor Carpi Ulnaris
Palmis Longus
Flexor carpi Radialis
Pronator Teres

Question 14

Flexor Carpi Ulnaris

innervation

Answer 14

Ulnar nerve

only anterior SUPERFICIAL muscle..look at name

Question 15

Flexor Carpi Ulnaris

Action

Answer 15

Flexor and adductor

Question 16

Palmaris longus

Innervation

Answer 16

Median nerve

Question 17

Palmaris longus

Action

Answer 17

Flexor

Question 18

Flexor Carpi Radialis
Whats special
Innervation

Answer 18

Landmark for radial pulse point

Median nerve

Question 19

Flexor carpi radialis

Action

Answer 19

Flexor and abductor

Question 20

Pronator Teres
Whats special
Innervation

Answer 20

Median nerve passes through the two heads

Median

Question 21

Pronator Teres

Action

Answer 21

pronates forearm

Question 22

Anterior forearm intermediate

Answer 22

Flexor Digitorum Superficialis

Question 23

Flexor digitorum superficialis
Innervation
Flexor of (2)

Answer 23

median nerve
Flexor of metacarpophalangeal joint
Flexor of proximal interphalangeal joint

Question 24

Anterior forearm deep muscles

Answer 24

Flexor digitorum profundus
Flexor pollicis longus
Pronator quadratus

Question 25

Flexor digitorum profundus | innervation

Answer 25

median & ulnar nerve

Question 26

Flexor digitorum profundus | flexor of

Answer 26

flexor of metacarpophalangeal joint Proximal and distal interphalangeal joints wrist

Question 27

Flexor Pollicis longus | innervation

Answer 27

Median

Question 28

Flexor Pollicis longus | Flexor of

Answer 28

Flexor of thumb

Question 29

Pronator Quadratus | innervation

Answer 29

Median nerve

Question 30

Pronator Quadratus | Action

Answer 30

pronation

Question 31

Posterior Compartment forearm superficial muscles

Answer 31

Brachioradialis : flexor at elbow Extensor Carpi Radialis Longus: extend abduct wrist Extensor Carpi Radialis Brevis: extend abduct wrist Extensor Digitorum: extend fingers and wrist Extensor Digiti Minimi: extend little finger Extensor Carpi Ulnaris: extend adduct wrist Anconeus: abducts ulna, extend elbow

Question 32

Posterior compartment forearm deep | Innervation

Answer 32

``` Supinator Abductor Pollicis Longus Extensor Pollicis Brevis Extensor Pollicis Longus Extensor Indicis Posterior interosseous nerve ```

Question 33

Abductor Pollicis Longus | function

Answer 33

abducts carpometacarpal joint (thumb)

Question 34

Extensor Pollicis brevis | function

Answer 34

Extends metacarpophalangeal joint (thumb) and extends carpometacarpal joint

Question 35

Extensor pollicis longus | function

Answer 35

Extends interphalangeal joint (thumb), metacarpophalangeal and carpometacarpal joints (thumb)

Question 36

Extensor Indicis

Answer 36

Extends index finger

Question 37

Musculocutaneous | Supplies

Answer 37

supplies all of biceps brachii and medial part of brachialis | Emerges as lateral antebrachial cutaneous for skin of lateral forearm

Question 38

Median Nerve Supplies Except for Continues as

Answer 38

Muscles responsible for flexion of wrist, metacarpophalangeal joints, and interphalangeal joints Except for Flexor Carpi Ulnaris Medial part of Flexor digitorum profundus Continues as palmar branch thru carpal tunnel to lateral hand

Question 39

Ulnar Nerve | Path

Answer 39

Runs in cubital tunnel bewteen medial epicondyle and olecranon Dives deep into medal forearm Continues over carpal tunnel to supply medial hand and deep muscles

Question 40

Radial nerve | Path

Answer 40

Radial groove of humerus between lateral and medial head of tricep Continues between brachialis and brachioradialis Supplies triceps and lateral brachialis (medial from musculocutaneous) Superficial branch: skin of back of hand Deep brnach: muscles of posterior forearm