Table 2.

Exercise-induced microdamages.

	Painless Condition	Exercise Induced Muscle Damage (EIMD)	Delayed Onset Muscle Soreness (DOMS)
Primary Injury Phase in the Muscle Spindle	Proprioceptive terminal microdamage	No proprioceptive terminal microdamage	Proprioceptive terminal microdamage
Secondary Injury Phase	No extrafusal microdamage and no C-fiber contribution	Extrafusal microdamage with C-fiber contribution	Extrafusal microdamage with C-fiber contribution
Condition	Painless microinjured state without DOMS lasting up to 2–3 days	Exercise-induced soreness without delayed onset	DOMS lasting up to 7 days