<P> It is the continuation of the axillary artery beyond the lower margin of teres major muscle . It continues down the ventral surface of the arm until it reaches the cubital fossa at the elbow . It then divides into the radial and ulnar arteries which run down the forearm . In some individuals , the bifurcation occurs much earlier and the ulnar and radial arteries extend through the upper arm . The pulse of the brachial artery is palpable on the anterior aspect of the elbow , medial to the tendon of the biceps , and , with the use of a stethoscope and sphygmomanometer ( blood pressure cuff ) often used to measure the blood pressure . </P>
when does the axillary artery become the brachial
beyond the lower margin of teres major muscle