Fast Twitch Muscles

[Buttfly]

Activating fast-twitch motor units is the key to improved strength, speed and power. Unlike slow-twitch motor units, which are responsible for most of our day-to-day muscular activity, fasttwitch units are quite lazy and tend to slumber until called to action.

[Buttfly]

I will also add that bodybuilding is not the way to improve your speed you must first train your fast twitch muscles if you dont then the slow twitch muscles will lag and slow down the fast twitch muscles training the fast twitch muscles takes high speed training its the only way