muscle spasm

• Внезапное, непроизвольное и часто болезненное сокращение мышцы или группы мышц, обычно вызванное перенапряжением, обезвоживанием или заболеванием.

A sudden, involuntary, and often painful contraction of a muscle or group of muscles, typically caused by overuse, dehydration, or a medical condition.

1. Involuntary muscle contractionB2formal

   A sudden, involuntary, and often painful contraction of a muscle or group of muscles.

   Непроизвольное сокращение мышц

   • He experienced a painful muscle spasm in his lower back after lifting the heavy box.
   • The athlete had a muscle spasm in his calf during the race.
   • Applying heat can help relieve a muscle spasm.