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Muscles - Coggle Diagram
Muscles
Skeletal muscles
Types of skeletal muscle fibers
Type I
Slow-twitch (slow contractile ability)
Rich in Mitochondria
Myoglobin rich (red)
Fatigue resistant
Aerobic metabolism
Type IIa
Fast-twitch (faster contractile ability)
Oxidative-glycolytic
Rich in Mitochondria
Intermediate myoglobin content
Fatigue resistant
Aerobic metabolism
Type IIx
Fast-twitch
Poor in Mitochondria
Quickly fatigued
Myoglobin-poor (white)
Anaerobic metabolism (fermentation & glycolysis)