15 Questions
Which muscles form the anterior wall of the axilla?
Pectoralis major muscle and pectoralis minor muscle
What forms the base (or floor) of the axilla?
Skin, superficial fascia, and deep fascia
Which nerve contributes to a prefixed plexus in the brachial plexus?
C4
What forms the lateral wall of the axilla?
Intercostal muscles and coracobrachialis
What forms the apex (cervico-axillary canal) of the axilla?
Directed upwards and medially towards the root of the neck
Which muscles form the lateral wall of the axilla?
Teres major and subscapularis
What is the stage in the brachial plexus consisting of roots, trunks, divisions, cords, and branches?
Cords
Which nerve contributes to a postfixed plexus in the brachial plexus?
T2
What forms the medial wall of the axilla?
Upper four ribs and their intercostal muscles
What forms the base (or floor) of the axilla?
Deep fascia
Which muscles contribute to the formation of the posterior wall of the axilla?
Subscapularis and Teres major
What are the boundaries of the axilla?
Apex, Base, Anterior wall, and Medial wall
Which muscles form the lateral wall of the axilla?
Upper four ribs and Intercostal muscles
What is the direction of the apex (cervico-axillary canal) of the axilla?
Upwards and medially towards the root of the neck
How is a postfixed plexus in the brachial plexus defined?
If the plexus receives a contribution from T2
Test your knowledge of the axilla and brachial plexus anatomy, including the boundaries, structures, and nerve components of the upper limb.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
