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.
Adductor Longus. Adductor Longus is the middle of the three short adductor muscles. It adducts the hip inwards and assists in hip flexion or moving the leg forwards. Originating on the ramus of the pelvis and inserts into the femur or thigh bone.