Please note that different classifications may be used depending on the athletes’ weak and strong points, level of development, training period, emphasis, and additional items. Those classifications are used to help the coach organize the training system and prioritize things according to the demands of sport and position.

For more examples regarding loading protocols, I highly recommend reading Christian Thibaudeau’s, Black Book of Training Secrets–Enhanced Edition. Most of these graphs are taken from there. Another interesting book to consider is Joe Kenn’s, Coach’s Strength Training Playbook, which is another awesome read.

Concurrent training in the iron game was made popular by the Westside Barbell Club and Louie Simmons, who erroneously called it “conjugate.”