When muscle cells are viewed under the microscope, one can see that they contain a striped pattern (striations). This pattern is formed by a series of basic units called sarcomeres that are ...
Muscle twitching is a significant cause for concern when accompanied by other neurological symptoms such as muscle weakness, numbness, or tingling, Dr. Jacobson says. “In those situations, a good ...
Muscle cramps are sudden, involuntary, painful contractions of one or more muscles in the body. Also called Charley horses or muscle spasms, they are typically short in duration and can last ...