Dysfunctional atrophy refers to the degeneration or wastage of tissue or muscle due to an inefficient or ineffective function. Synonyms for this term include disuse atrophy, muscle wasting, muscle degeneration, muscular atrophy, and muscle loss. These terms all refer to the same condition where muscles or tissues become weak and shrink because they are not being used effectively. Disuse atrophy is particularly common in people with sedentary lifestyles or those who have suffered from injury or illness that limits their ability to move or exercise. These synonyms highlight the importance of maintaining an active lifestyle and seeking medical attention if you experience symptoms of muscle weakness or wastage.