A cramp is a sudden, involuntary muscle contraction that doesn’t relax right away. It occurs when the normal balance between muscle activation and relaxation is disrupted. Common contributing factors include: • Neuromuscular fatigue – overuse alters motor neuron firing • Electrolyte imbalance – changes in sodium, potassium, calcium, or magnesium affect muscle excitability • Dehydration – reduces blood flow and alters nerve signaling • Altered biomechanics – muscle shortening, joint positioning,
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