Nerves control muscle fibers. Muscle twitching is an involuntary contraction of the muscle fibers. When individuals play sports/work out vigorously… Read More
Muscle cramps are sudden and involuntary contractions of one or more of the body's muscles. They often occur at night… Read More
Back spasms can be compared to a Charley horse in the back. These are a common complaint in doctors' clinics… Read More