Muscle fiber composition can range from up to 80% fast-twitch to 90% slow-twitch, depending on the sport.

“so um you could be up to 80% fast witch on your VL if you're and by the way is that true across all sports like if you had the tour to France Champion would you expect him to even though he's the best of the best and his VL is a monster osity would you expect him to have that high a fast twitch so in the some of the folks we biopsy in the more endurance space they are as high as 90% slow twitch in the ah okay so that that's yeah so that's that's when I was like it's it's basically zero to zero yeah like you you can run the whole gamut of composition in the v so”