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.
The muscles that provide the movement for the shoulder and upper arm include the anterior muscles in the front, the posterior muscles in the back, and the shoulder muscles that are sort of in between. Pectoralis major: This muscle has two heads, or sections of muscle tissue, and covers much of the front of the thoracic cage.
The adductor longus, the adductor brevis, the adductor magnus, and the gracilis pectineus muscles are the four basic muscles that provide the hip with adduction. The superficial gracilis muscle is not only quite long and lanky, but it is also the most superficial muscle of the medial groups of thigh muscles.