10 NERVOUS SYSTEM - Dr. Victor Arai

Spasms are involuntary muscle contractions that may cause pain. Cramps are long, painful spasms. A strain is an overstretching of a muscle; a sprain is a twisting of a joint leading to swelling and injury, not only of muscles but also of ligaments, tendons, blood vessels, and nerves. Tendonitis and Bursitis ................
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