Question

Which of the muscle fiber types have the lowest amount of capillaries, mitochondria, and myoglobin, and are responsible for the most powerful athletic movements? Type I Type Ia Type IIa Type IIx

Answer 1

Type IIa Type IIx

Step-by-step explanation:

Typically, these have lower concentrations of mitochondria, myoglobin, and capillaries compared to our slow-twitch fibers, which means they are quicker to fatigue