After playing the ball cramp should stop the activity for stretching, massage treatment to relieve the cramp, if the cramp continues to attack, you can supplement calcium gluconate.
After playing the ball cramp should be immediately from standing to sitting, immediately stop the movement, straighten the cramp area, oneself or instruct a companion to stretch the joints near the cramp until the pain disappears. Use your hands to massage the muscles in the cramp area to reduce the spasm.
If the cramp persists without relief, immediately hydrate or take calcium gluconate orally to regulate osmotic pressure in the body, and cooperate with stretching and massage for relief.
If the cramps can not be relieved, you should go to the hospital in a timely manner, under the guidance of the doctor for timely treatment to prevent delays in the condition.