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.
Back Muscles. Nearly every muscle in your back is used on gymnastics rings. The large latissimus dorsi muscle is the prime mover of arm extension and is a powerful arm adductor. When reaching for the rings overhead, this muscle is used to pull the rest of your body upward and forward.