The couplet is a popular poetic device. A couplet contains two lines of verse that usually rhyme, though this isn't required. The lines can be any length and use any rhythm. Sometimes the two lines are the same length, and sometimes one is longer than the other. Couplets are often used to end a stanza, but they can also constitute the whole poem.
It travels through the carpal tunnel which is the point connecting the palm and forearm, and goes into the thumb. This muscle is located between the two muscles which facilitate flexion of the thumb, namely the Flexor Pollicis Brevis and the Abductor Pollicis. Flexor Pollicis Longus terminates at the tip of the thumb.
It is flat, thin, elongated, and triangular in shape. The abductor pollicis brevis is the largest muscle of the thenar eminence muscle group, which is comprised of several muscles that control the thumb. The main function of the muscle is to abduct the thumb, or move it away from the palm.This muscle is also involved in the extension and opposition of the thumb.Opposition refers to the ability of the thumb to rotate and touch the other fingers. The recurrent branch of the median nerve controls the abductor pollicis brevis muscle.his muscle is also involved in the extension and opposition of the thumb. Opposition refers to the ability of the thumb to rotate and touch the other fingers. The recurrent branch of the median nerve controls the abductor pollicis brevis muscle.