This is essentially any exercise over
This is essentially any exercise over 45 seconds or so. Fast twitch muscle fibres are for «anaerobic» exercises which means «without oxygen» and is an exercise under 45 seconds such as a sprint. In hockey, fast twitch muscle fibres are used because shifts are usually about 45 seconds (or should be at least). Got to give credit to the entire team here. This is for all the fans in the Caribbean. President Mitchell (Keith Mitchell, President of Grenada) send [...]