It is widely considered now by many of the smartest people in the fitness industry that the most important part and number one priority for any natural weightlifter trying to stimulate maximum muscle growth is progressive tension overload.
Muscle fibre types can be broken down into two main types. These are slow twitch (type I) muscle fibres and fast twitch (type II) muscle fibres. Fast twitch muscle fibres can be further categorized into (type IIa) and (type IIb) fibres.
Muscle fibre recruitment is simply how many of the fibres within a muscle are being recruited to perform a certain task.
When it comes to building muscle many people don’t really know that there are different types of muscle growth and certain ways you have to train to achieve them.