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.
1 Adductor brevis muscle: originates at the inferior pubic ramus and inserts at the linea aspera.  Adductor minimus muscle: describes the inconstant cranial separation of the adductor magnus which is found in many people. It extends from the inferior pubic ramus to the linea aspera.