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Questions and Answers
Which nerve supplies the muscles in front of the arm?
Which nerve supplies the muscles in front of the arm?
- Axillary nerve
- Radial nerve
- Musculocutaneous nerve (correct)
- Ulnar nerve
Where does the coracobrachialis muscle originate from?
Where does the coracobrachialis muscle originate from?
- Clavicle
- Tip of Coracoid process (correct)
- Humerus
- Scapula
Which structure separates the compartments of the upper arm?
Which structure separates the compartments of the upper arm?
- Medial and lateral intermuscular septum (correct)
- Superficial fascia
- Humerus
- Deep fascia
Which muscle is NOT located in front of the arm?
Which muscle is NOT located in front of the arm?
Which nerve is NOT mentioned as a nerve of the arm?
Which nerve is NOT mentioned as a nerve of the arm?
Which nerve supplies the muscles in front of the arm?
Which nerve supplies the muscles in front of the arm?
What is the insertion point of the coracobrachialis muscle?
What is the insertion point of the coracobrachialis muscle?
Which nerve supplies the muscles in the back of the arm?
Which nerve supplies the muscles in the back of the arm?
Which muscle is NOT located in front of the arm?
Which muscle is NOT located in front of the arm?
Which structure separates the compartments of the upper arm?
Which structure separates the compartments of the upper arm?
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Study Notes
Muscles of the Arm
- Muscles in front of the arm are supplied by the musculocutaneous nerve.
Coracobrachialis Muscle
- The coracobrachialis muscle originates from the coracoid process of the scapula.
- It inserts onto the medial aspect of the humerus.
Compartments of the Upper Arm
- The intermuscular septum separates the compartments of the upper arm.
Muscles of the Upper Arm
- Triceps brachii is NOT located in front of the arm.
- Triceps brachii is located at the back of the arm.
Nerves of the Arm
- The axillary is NOT mentioned as a nerve of the arm.
Muscles of the Upper Arm
- Muscles in the back of the arm are supplied by the radial nerve.
- Triceps brachii is NOT located in front of the arm.
- Triceps brachii is located at the back of the arm.
Compartments of the Upper Arm
- The intermuscular septum separates the compartments of the upper arm.
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