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.
1 Triceps brachii: This muscle at the back of the upper arm extends the arm and stabilizes the elbow when the hand is used for fine movements. 2  Brachioradialis: A forearm muscle that flexes the arm at the elbow.3  Anconeus: This muscle helps extend the forearm at the elbow.lbow muscles are commonly referred to as flexors or extensors, depending on how they affect elbow movement. Extensors are on the inside of the arm and help extend the arm outward. Flexors are at the back of the elbow and pull it closer to the body by bending the elbow.