CH 10: Muscle Fatigue

Slow Twitch: endurance

Fast Twitch: speed

What color are slow twitch myocytes? red

What color are fast twitch mycocytes? white

Which myocyte contains myoglobin? slow-twitch

What is the function of myoglobin? the protein brings oxygen to the slow twitch myocytes

What creates lactic acid? anaerobic respiration

Great for endurance: slow twitch

Powerful Bursts: fast twitch

Contract Quickly: fast twitch

Contract Slowly: slow twitch

Fatigues more quickly: fast twitch

More resistance to fatigue: slow-twitch

Muscles grow in size more easily: fast twitch

Uses anaerobic respiration: slow twitch

Uses aerobic respiration: fast twitch

What products do you need for aerobic (fast twitch) respiration to keep ocurring? glucose and o2