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Anonymous
>>422958 Yes, if MMA fighters have "insane endurance" then they're using slow-twitch fibres. Anything using a fair amount of strength that lasts longer than a couple of reps uses them; fast-twitch fibres aren't physically capable of going beyond that.
The reason they look different from marathon runners is that they have lots of muscle mass, whereas marathon runners have very little (they're also using slow-twitch, but their cardiovascular conditioning, VO2-max etc. is the decisive factor there).
Training fast-twitch fibres will have little to no effect on whether you can do 100 push ups, because they'll have shot their load after single-digit reps.
Hence, low-reps with heavy weights is no good for doing a tonne of simultaneous pushups.
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