Related terms: vasospasm, variant angina, Prinzmetal's angina. Sometimes a coronary artery (one of the vessels supplying blood to the heart muscle) goes into spasm. This is also called vasospasm, and doctors are unsure of its cause.The spasm briefly narrows the coronary artery, so your heart does not get enough blood.oronary artery spasm causes a rare type of angina pectoris called variant angina pectoris (or Prinzmetal's angina). Angina pectoris is a squeezing, suffocating, or burning feeling in the chest. Unlike typical angina, variant angina usually happens during times of rest.
This helps with tissue repair and speeds your recovery. To speed recovery after a strenuous workout, tune into the needs of your body. Adequate rest, proper cooling down and stretching, and adequate water and nutrient intake are all essential ways to help your body recover in time for your next workout.
1 A recovery run can be as long and fast as you want, provided it does not affect your performance in your next scheduled key workout.  In most cases, however, recovery runs cannot be particularly long or fast without sabotaging recovery from the previous key workout or sabotaging performance in your next one.