HypotoniaA condition of diminished tone of the skeletal muscles.Impingement syndrome Inflammed and swollen tendons are caught in the narrow space between the bones within the shoulder joint.InsertionThe point where the muscle ends by attaching to a bone or tendon.Intermittent claudication Pain in the leg muscles that occurs during exercise and is relieved by rest.Muscular dystrophyA group of more than 30 genetic diseases that are characterized by progressive weakness and degeneration of the skeletal muscles that control movement, without affecting the nervous system.Myasthenia gravisA chronic autoimmune disease that affects the neuromuscular junction and produces serious weakness of voluntary muscles.MyoceleThe herniation (protrusion) of muscle substance through a tear in the fascia surrounding it.MyoclonusThe quick involuntary jerking of a muscle or group of muscles.Myofascial releaseA specialized soft-tissue manipulation technique used to ease the pain of conditions such as fibromyalgia, myofascial pain syndrome, movement restrictions, temporomandibular joint disorders, and carpal tunnel syndrome.MyolysisThe degeneration of muscle tissue.MyoparesisWeakness or slight muscular paralysis.MyorrhaphySurgical suturing of a muscle.NeuromuscularPertaining to the relationship between a nerve andmuscle.ObliqueSlanted or at an angle.OriginThe point where the muscle begins, located nearest the midline of the body or on a less movable part of the skeleton.ParalysisThe loss of sensation and voluntary muscle movements in a muscle through disease or injury to its nerve supply.