A cramp is a sudden, involuntary, painful contraction of one or more skeletal muscles, or an overshortening of such associated with electrical activity. While generally temporary and non-damaging, they can cause significant pain and a paralysis-like immobility of the affected muscle.
A cramp is a sudden, involuntary, painful contraction of one or more skeletal muscles, or an overshortening of such associated with electrical activity. While generally temporary and non-damaging, they can cause significant pain and a paralysis-like immobility of the affected muscle.
Source: Wikipedia "Skeletal muscle cramp" · CC BY-SA 4.0
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