What are the properties of new muscle fibers?

What are undifferentiated fibers called?

At what stage of development would you expect type I fibers begin to develop?

What percentage of muscle fiber variance is explained by genetics?

Describe the effect of endurance training on muscle fiber composition. What other training effects might we expect to see?

Describe the effect of weight training on muscle fiber type.

What is the effect of speed and power training on fiber type?

Give evidence to explain the role of the motor nerve in training induced changes

What is the influence of altitude on muscle fibers?

Give some nutritional external influences apart from training to muscle fiber type.