Anesthesiologist Compensation by Geographical Region. Anesthesiologist compensation varies significantly by region. Doctors in the North Central region, with the highest compensation (a mean of $383,000 in 2012), earn 20% more than their colleagues in the West, with the lowest compensation (a mean of $318,000 in 2012). In 2011, the spread was not as wide.
The anterior boundary is called the anterior axillary fold and this is rounded in shape and formed by the lower border of the pectoralis major. Some sources also include the pectoralis minor. It can elongate after weight loss.
Chapter 9: The arm and elbow. The muscles of the anterior arm are the biceps, coracobrachialis, and brachialis. They are supplied by the musculocutaneous nerve. The triceps is the muscle of the posterior arm, and it is supplied by the radial nerve.