Posterior Arm Compartment Flashcards
How many muscles are in the posterior arm compartment?
1
What are the muscles of the posterior arm compartment?
Triceps brachii m., only one
What nerve innervates the muscles of the posterior arm compartment?
Radial n.
O- Triceps brachii m. long head
Infraglenoid tubercle (long head of biceps brachii is the supraglenoid tubercle)
I- Triceps brachii m. long head
Olecranon process
A- Triceps brachii m. long head
Extension of the forearm
Inn- Triceps brachii m. long head
Radial n.
O- Triceps brachii m. lateral head
Posterior humeral shaft
I- Triceps brachii m. long head
Olecranon process
A- Triceps brachii m. long head
Extension of the forearm
Inn- Triceps brachii m. long head
Radial nerve
O- Triceps brachii m. medial head
Posterior humeral shaft (same as lateral head)
I- Triceps brachii m. medial head
Olecranon process
A- Triceps brachii m. medial head
Extension of the forearm
Inn- Triceps brachii m. medial head
Radial n.
