Most every kind of disease causes the body weakness and fatigue at some point. In the beginning of a sickness the body instinctively desires rest in order to better consolidate its resources against the viral or bacterial attack. Frequently, over time, weakness and fatigue reappear with a gradual vengeance if a disease is winning, as the body slowly begins to buckle, having consumed its strength fighting.
Diseases that are especially known for causing weakness and fatigue:
AIDS
CFS - Chronic Fatigue Syndrome
Malnutrition
Mononucleosis
Heart conditions
Muscular dystrophy
Polio
Influenza
Cancer
Hemiplegia is weakness of half.
Dystonia is the medical term meaning bad muscle tone.
Contraction is the medical term meaning the normal shortening or tightening of a muscle.
Myoanatomy is the medical term meaning structure of a muscle. It may also mean the study of muscle structure.
Dystonia is a medical term meaning abnormal muscle tone.
Myopathy is the medical term meaning disease of the muscle. my/o- muscle; pathy-disease
No such specific medical term
muscle hypertrophy
Myocardial infarction is the medical term meaning damage to the heart muscle.
Myosarcoma is the term for flesh tumor of muscle.
Myalgia is the same as muscle pain. Myalgia is the medical term for muscle pain.
Atrophy.