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.
Arm Abduction. Abduction of the arm is also called abduction of/at the shoulder. This motion actually can be divided into two motions: true abduction of the arm at the shoulder and upward rotation of the scapula. Muscles: supraspinatus (initiates abduction - first 15 degrees), deltoid (up to 90 degrees), trapezius and serratus anterior (scapular rotation, for abduction beyond 90 degrees).
The posterior boundary of the hip adductors is marked by the adductor magnus, which is bordered to the rear by the semimembranosus. The gracilis, pectineus and adductor longus are the most superficial adductor muscles. All three lie superficial to the adductor brevis, which is the deepest adductor muscle.