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 intrinsic muscles of the hand are divided into three groups: (1) those of the thumb, the thenar eminence. (2) those of the little finger, the hypothenar eminence. (3) and those in the middle of the palm and between the metacarpal bones. The muscles of the thenar eminence are: adductor policis (transverse) adductor policis (oblique) flexor pollicis brevis abductor policis brevis opponens pollicis. The forearm (extrinsic hand muscles) that control the thumb are: abductor pollicis longus extensor pollicis brevis. extensor pollicis longus.