The Arm & Flexor Forearm I

Question 1

brachial (deep) fascia:

continuous above w/ three fascias (3)

attached below to the ___ & ___ process of the ___

Answer 1

pectoral
deltoid
axillary

humeral epicondyles
olecranon process of the ulna

Question 2

brachial (deep) fascia:

sends in two muscular septa to the medial & lateral ___ of the ___ dividing the arm into two compartments:

• anterior: ___
• posterior: ___

Answer 2

epicondyles of the humerus

flexor
extensor

Question 3

anterior compartment of the arm:

muscles (3)

artery (1)

nerve (1)

Answer 3

biceps brachii
brachialis
coracobrachialis

brachial artery

musculocutaneous nerve

Question 4

anterior compartment of the arm:
biceps brachii:

nerve(s)

action(s)

Answer 4

musculocutaneous n

• flexes & supinates forearm (most powerful supinator)
• weak flexor of arm

Question 5

anterior compartment of the arm:
brachialis:

nerve(s)

action(s)

Answer 5

musculocutaneous n

Chief flexor of forearm

Question 6

anterior compartment of the arm:
coracobrachialis:

nerve(s)

action(s)

Answer 6

musculocutaneous

flexes & adducts the humerus

Question 7

posterior compartment of the arm:

muscles (2)

nerve (1)

arteries (2)

Answer 7

triceps brachii
anconeus

radial n

profunda brachii a
ulnar collateral a

Question 8

posterior compartment of the arm:
triceps brachii:

nerve(s)

action(s)

Answer 8

radial n

Chief extensor of forearm

Question 9

posterior compartment of the arm:
anconeus:

partially detached portion of the ___

nerve(s)

action(s)

Answer 9

triceps

radial

extension of forearm

Question 10

brachial artery:

continuation of the ___ artery at the lower border of the ___ muscle

divides in the ___ fossa into the ___ & ___ arteries

Answer 10

axillary artery
teres major muscle

cubital fossa
radial & ulnar arteries

Question 11

brachial artery:

(superficial/deep) throughout its course running along the (medial/lateral) side of the ___ w/ the ___ nerve

Answer 11

superficial
medial
biceps
median nerve

Question 12

major branches of the brachial artery in the arm (3)

largest: ___

Answer 12

deep brachial (profunda brachii)
superior ulnar collateral
inferior ulnar collateral

deep brachial

Question 13

major branches of the brachial artery in the arm:
deep brachial artery (profunda brachii):

runs w/ the ___ nerve in the ___ groove

terminal branches (2)

Answer 13

radial nerve
radial groove

radial collateral
middle collateral

Question 14

major branches of the brachial artery in the arm:
deep brachial artery (profunda brachii):
radial collateral branch:

anastomoses w/ the ___ artery in (front/back) of the (medial/lateral) ___

Answer 14

radial recurrent artery
front
lateral epicondyle

Question 15

major branches of the brachial artery in the arm:
deep brachial artery (profunda brachii):
middle collateral branch:

anastomoses w/ the ___ artery in (front/back) of the (medial/lateral) ___

Answer 15

interosseous recurrent artery
back
lateral epicondyle

Question 16

major branches of the brachial artery in the arm:
superior ulnar collateral:

arises in the ___

accompanies the ___ nerve behind the (medial/lateral) ___ & anastomoses w/ the (anterior/posterior) ___ artery

Answer 16

mid-arm

ulnar nerve
medial epicondyle
posterior ulnar recurrent artery

Question 17

major branches of the brachial artery in the arm:
inferior ulnar collateral:

arises approximately 5cm above the ___

anastomoses w/ the (anterior/posterior) ___ artery in front of the (medial/lateral) ___

Answer 17

elbow

anterior ulnar recurrent
medial epicondyle

Question 18

nerves of the arm (4)

Answer 18

median nerve
musculocutaneous nerve
ulnar nerve
radial nerve

Question 19

nerves of the arm:
median nerve:

runs w/ the ___ artery

no branches in the ___

Answer 19

brachial artery

arm

Question 20

nerves of the arm:
musculocutaneous nerve:

pierces the ___ muscle, then runs in the plane b/n the ___ & ___ muscles

emerges at the ___ lateral to the ___ tendon as the ___ nerve

Answer 20

coracobrachialis muscle
biceps & brachialis

elbow
biceps tendon
lateral antebrachial cutaneous nerve

Question 21

nerves of the arm:
ulnar nerve:

passes behind the (lateral/medial) ___ of the ___ w/ the ___ artery

no branches in the ___

Answer 21

medial epicondyle of the humerus
superior ulnar collateral artery

arm

Question 22

nerves of the arm:
radial nerve:

joins the ___ artery in the ___ groove b/n the medial & lateral heads of the ___

divides in front of the (medial/lateral) ___ into:

• sensory branch: ___
• motor branch: ___

Answer 22

profunda brachii artery
radial groove
triceps

lateral epicondyle

• superficial
• deep

Question 23

nerves of the arm:
radial nerve:

pierces the ___ septum to enter the (anterior/posterior) compartment & continues b/n the ___ & ___ muscles

Answer 23

lateral intermuscular septum
anterior compartment
brachialis & brachioradialis m’s

Question 24

cubital fossa:
boundaries:

lateral: ___ muscle
medial: ___ muscle

floor:

• lateral: ___ muscle
• medial: ___ muscle

roof: ___

Answer 24

brachioradialis

pronator teres

supinator
brachialis

bicipital aponeurosis

Question 25

cubital fossa:
contents (medial to lateral):

___ nerve
___ artery & terminal branches
___ tendon
___ nerve & terminal branches

Answer 25

median nerve
brachial artery & terminal branches
biceps tendon
radial nerve & terminal branches