Cocaine normally stays in the system for approximately 48 hours. Although the method of administration and the dose administered affects how long it takes for the body to metabolize this drug. When coca leaves are chewed, absorption time is around 30 minutes.
In this article, we shall look at the anatomy of the muscles of the upper arm â their attachments, innervation and actions. There are three muscles located in the anterior compartment of the upper arm â biceps brachii, coracobrachialis and brachialis. They are all innervated by the musculocutaneous nerve. A good memory aid for this is BBC â biceps, brachialis, coracobrachialis.
Strengthening the adduction muscles provides stability to the shoulder joint. Photo Credit gpointstudio/iStock/Getty Images. While you may not give it much thought, the muscles that bring your arm in towards your body are actually quite important. This movement, known as adduction, uses the muscles that make activities like throwing a ball or swinging a tennis racket possible. They also play a vital role in stabilizing your shoulder joint.