For example, I wouldn't push German Volume Training to an 8 week phase purely because of the effect it has on the body. In the Edge Phase of the Muscle Building Summit, Eric Morison discusses what bio-hacking is and its relevance in muscle building. Bodybuilding competitions even used to include feats of strength.|Chris goes in depth on the most effective exercises, rep ranges and programming in this Muscle Building Summit exclusive. Protein, carbohydrates and fat play a major role, as does getting enough calories throughout the day. One great option to introduce into your repertoire is the overhead barbell squat, a very difficult exercise that places heavy demand on your entire core musculature because of the position of the weight.