Exercise Physiology

How many types of skeletal muscle fibers are there?

• 4

• 2

• 3

• 1

Which of the following is NOT a way that muscle fibers are classified?

• How fast they contract

• How they regenerate ATP

• How much ATP they need

• How much O2 they take in

Which fiber does aerobic respiration and has little enzyme action?

• Slow oxidative

• Intermediate Oxidative

• Fast Glycolytic

Which fiber stores a high amount of glycogen but a low amount of myoglobin?

• Slow oxidative

• Intermediate oxidative

• Fast glycolytic

Which fiber gets ATP through aerobic respiration and has a low glycogen storage?

• Slow

• Intermediate

• Fast

Which fiber has a high myoglobin count and medium glycogen storage?

• Slow

• Intermediate

• Fast

Which fiber uses Anaerobic respiration?

• Slow

• Intermediate

• Fast

Which fiber has the smallest amount of mitochondria?

• Slow

• Intermediate

• Fast

Which fiber experiences fatigue that slowest?

• Slow

• Intermediate

• Fast

What type of fiber is used to swim across a channel?

• Slow

• Intermediate

• Fast