9. Anterior Arm, Anterior Forearm + Cubital Fossa Flashcards
What nerve supplies the muscles of the anterior compartment of the arm?
Musculocutaneous
Name the two distal tendons of the biceps brachii
Biceps tendon
Bicipital aponeurosis
Which muscle is most anterior in the compartment?
Biceps brachii
What does the long head of the biceps brachii attach to?
Supraglenoid tubercle of the scapula
What does the short head of the biceps brachii attach to?
Coracoid process of the scapula
Which 3 muscles attach to the coracoid process?
Pectoralis minor
Coracobrachialis
Short head of biceps
What does the biceps tendon attach to distally?
The radial tuberosity
What does the bicipital aponeurosis blend with on the medial side of the proximal forearm?
Antebrachial fascia
Where does the coracobrachialis lie?
Deep to biceps brachii and medial to brachialis
What separates the coracobrachialis from the triceps?
Medial intermuscular septae
Where does brachialis lie?
Deep to biceps brachii and lateral to coracobrachialis
What separates brachialis from the triceps?
Lateral intermusclar septae