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 action occurs as you then move your arms out to the side. Latissimus dorsi and posterior fibers of deltoid. Horizontal adduction. For the start position, lift your arms out to the side. The actions occurs as you then move your arms in front of you. Pectoralis major and anterior fibers of deltoid. Elbow and Wrist Joints. The elbow joint consists of the humerus bone and the radius and ulna bones.