The Arm & Flexor Forearm I Flashcards Preview

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Flashcards in The Arm & Flexor Forearm I Deck (25):
1

brachial (deep) fascia:

continuous above w/ three fascias (3)

attached below to the ___ & ___ process of the ___

pectoral
deltoid
axillary

humeral epicondyles
olecranon process of the ulna

2

brachial (deep) fascia:

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

epicondyles of the humerus

flexor
extensor

3

anterior compartment of the arm:

muscles (3)

artery (1)

nerve (1)

biceps brachii
brachialis
coracobrachialis

brachial artery

musculocutaneous nerve

4

anterior compartment of the arm:
biceps brachii:

nerve(s)

action(s)

musculocutaneous n

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

5

anterior compartment of the arm:
brachialis:

nerve(s)

action(s)

musculocutaneous n

Chief flexor of forearm

6

anterior compartment of the arm:
coracobrachialis:

nerve(s)

action(s)

musculocutaneous

flexes & adducts the humerus

7

posterior compartment of the arm:

muscles (2)

nerve (1)

arteries (2)

triceps brachii
anconeus

radial n

profunda brachii a
ulnar collateral a

8

posterior compartment of the arm:
triceps brachii:

nerve(s)

action(s)

radial n

Chief extensor of forearm

9

posterior compartment of the arm:
anconeus:

partially detached portion of the ___

nerve(s)

action(s)

triceps

radial

extension of forearm

10

brachial artery:

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

divides in the ___ fossa into the ___ & ___ arteries

axillary artery
teres major muscle

cubital fossa
radial & ulnar arteries

11

brachial artery:

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

superficial
medial
biceps
median nerve

12

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

largest: ___

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

deep brachial

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)

radial nerve
radial groove

radial collateral
middle collateral

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) ___

radial recurrent artery
front
lateral epicondyle

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) ___

interosseous recurrent artery
back
lateral epicondyle

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

mid-arm

ulnar nerve
medial epicondyle
posterior ulnar recurrent artery

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) ___

elbow

anterior ulnar recurrent
medial epicondyle

18

nerves of the arm (4)

median nerve
musculocutaneous nerve
ulnar nerve
radial nerve

19

nerves of the arm:
median nerve:

runs w/ the ___ artery

no branches in the ___

brachial artery

arm

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

coracobrachialis muscle
biceps & brachialis

elbow
biceps tendon
lateral antebrachial cutaneous nerve

21

nerves of the arm:
ulnar nerve:

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

no branches in the ___

medial epicondyle of the humerus
superior ulnar collateral artery

arm

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: ___

profunda brachii artery
radial groove
triceps

lateral epicondyle
- superficial
- deep

23

nerves of the arm:
radial nerve:

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

lateral intermuscular septum
anterior compartment
brachialis & brachioradialis m's

24

cubital fossa:
boundaries:

lateral: ___ muscle

medial: ___ muscle

floor:
- lateral: ___ muscle
- medial: ___ muscle

roof: ___

brachioradialis

pronator teres

supinator
brachialis

bicipital aponeurosis

25

cubital fossa:
contents (medial to lateral):

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

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

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