explain why fast twitch muscle have few cappilaries
Answers
Answer:
they have few capillary that's why they twitch
Explanation:
During aerobic exercises like running or swimming, slow-twitch fibers are the first to contract. But when you’re throwing around heavy kettlebells or playing a sport, you’re using fast-twitch muscles.
Think of the muscles in terms of an excitable, thick chihuahua. We’ll call him John Cena (yes, like the wrestler) for the sake of the example.
The slow-twitching muscles are John’s way of trotting around, staring at you, and expecting treats. He may not be going berserk, but Mr. Cena will provide enough energy to complete the task of getting a cookie (or seven).
Fast-twitch muscles can be broken down into two categories: Moderate fast-twitch (type IIa) and fast-twitch (type IIb or IIx).
Moderate fast-twitch muscles are thicker, contract more quickly, and wear out the quickest. These are similar to Mr. Cena’s habit of borking himself into exhaustion over the course of 5 minutes.
Fast-twitch muscles are the most powerful but aren’t especially suited to endurance. The body activates these when it has worked the moderate fast-twitch muscles as hard as it can. These are Mr. Cena’s final bork before he dreams about exactly what he spent the last half-hour doing.
One group of muscles is not “better” than the other. Instead, you can help them work together to give you a performance boost.