We normally use every muscle of our body. The muscles of our limbs move back and forth, and alternately relax and contract as we move. In similar manner, muscles that maintain our posture also contract and relax in contemporized manner. Whenever any muscle of our body contracts involuntary and without our will, it is called spasm. And, when spasm is forceful and remains for some time, it is called cramp. So, muscular cramps are a painful condition in which a muscle involuntary and forcibly co...
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