Muscle cramps r sudden, involuntary contractions or spasms in one or more muscles. Dey often occur after exercise or at night, lasting few seconds to few minutes. 

This Is a Certified Answer

Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
Muscular cramp is the sudden contraction of muscle.The pressure that is exerted on the muscle is the cause of muscle cramp with severe pain.