Table 2.

Comparison of sarcopenia, disuse muscle atrophy, and T2DM-related sarcopenia.

	Sarcopenia	Disuse muscle atrophy	T2DM related sarcopenia
Primary Causes	Aging	Prolonged disuse	T2DM
Onset Age	Often >65 years	Any age group	Any age group
Muscle Mass	Decreased	Decreased	Decreased
Muscle Strength	Decreased	Decreased	Decreased
Muscle Fiber Area	Decreased	Decreased	Decreased
Muscle Fiber Changes	Predominantly type II fibers	Predominantly type I fibers	Predominantly type I fibers
Muscle Cell Count	Decreased	Unchanged	Decreased
Muscle Self-Recovery	Difficult	Possible	Difficult