Table 1.

Classification of indirect muscle disorders and injuries

A) Functional muscle disorder	Type 1: Overexertion-related muscle disorder	Type 1a: Fatigue-induced muscle disorder
		Type 1b: Delayed-onset muscle soreness (DOMS)
	Type 2: Neuromuscular muscle disorder	Type 2a: Spine-related neuromuscular muscle disorder
		Type 2a: Muscle-related neuromuscular muscle disorder
B) Structural muscle injury	Type 3: Partial muscle tear	Type 3a: Minor partial muscle tear
		Type 3b: Moderate partial muscle tear
	Type 4: (Sub)total tear	Type 4a: Subtotal or complete muscle tear
		Type 4b: Tendinous avulsion