Upper arm Flashcards
The axillary artery supplies blood to the brachial artery and what branches are served from there down the arm?
- profunda brachii (deep brachial artery) and branches into radial and middle collateral
- superior ulnar and inferior ulnar collateral (wrap under the medial epicondyle to join ulnar artery in the
The brachial artery in anterior to what bony structure?
The trochlea
The radial collateral artery is located where?
-lateral aspect of the distal humerus
The radial recurrent artery branches at what point?
-branches at the head of the raidus and flows to meet the radial collateral artery.
What muscles are involved with flexion of the arm?
- long and short head of the biceps brachii
- brachialis
- coracobrachialis
What nerve is involved with flexion of the musculature of the arm?
-musculocutaneous nerve (C5,6,7)
What muscles are involved with extension located on the posterior compartment?
- triceps brachii
- anconeus
The posterior compartment muscles are innervated byt what nerve?
-radial nerve
How many boundaries are help form the cubital fossa?
- the lateral
- medial
- superior
- roof
- floor
What forms the lateral aspect of the cubital fossa border?
-brachioradialis
What forms the medial aspect of the cubital fossa border?
-pronator teres
What forms the superior aspect of the cubital fossa border?
-imaginary line between the medial and lateral epicondyles
What forms the roof aspect of the cubital fossa border?
- skin and superficial and deep fascia
- bicipital aponeurosis
What are important components that run through the cubital fossa?
- median nerve
- brachial artery branches into radial and ulnar
- brachial vein
- bicep tendon and bicipital aponeurosis
- radial nerve (deep and superficial)
Where does the median cubital vein lie in the cubital fossa?
-superior to the bicipital aponeurosis