Test 3 Lecture 10 Flashcards
The anterior compartment contains which type of muscles?
Flexors
The posterior compartment contains which type of muscles?
Extensor muscles
Can get compartment syndrome if…
Parts are unable to drain their compartment
Arm refers to what area?
Shoulder to elbow
Which group is stronger? Flexors or extensors?
Flexors
3 flexors in the anterior compartment of the arm?
Biceps brachii
Brachialis
Coracobrachialis
What are the flexors innervated by?
Musculocutaneous nerve
1 extensor in the posterior compartment of the arm
Triceps brachii
What is the main arterial supply to the arm?
Brachial artery
The brachial artery is a continuation of what?
The brachial artery
Brachial artery runs from? To?
Inferior border of Teres major to Cubital fossa
Humoral nutrient artery
Enters nutrient canal
Serves as blood supply to the humerus
Arises from lateral aspect of the artery
Main branches of the brachial artery
Profunda brachii artery
Superior ulnar collateral artery
Inferior ulnar collateral artery
Recurrent branches of brachial artery
Radial, ulnar, interosseous
What is the largest branch of the brachial artery?
Profunda brachii artery
Profunda brachii artery divides into?
Middle and radial collateral arteries
Superior ulnar collateral artery anastomoses with what?
Posterior ulnar recurrent
Inferior ulnar collateral artery anastomoses with what?
Anterior ulnar recurrent artery
Forearm refers to what area?
From the elbow to the wrist
Superficial veins of the arm (2)
Cephalic
Basilic
Musculocutaneous nerve pierces what muscle?
Coracobrachialis
The musculocutaneous nerve innervates what muscles?
Biceps brachii
Brachialis
Coracobrachialis
Musculocutaneous nerve becomes what nerve after passing the biceps?
Lateral cutaneous nerve of the forearm
Radial nerve supplies what muscles?
Triceps
Anconeus
