Type I (slow oxidative, red, fatigue-resistant), Type IIa (fast oxidative-glycolytic), Type IIx (fast glycolytic, white, fatigue-prone). Fiber composition sets endurance vs power.
Type I (slow oxidative, red, fatigue-resistant), Type IIa (fast oxidative-glycolytic), Type IIx (fast glycolytic, white, fatigue-prone). Fiber composition sets endurance vs power.