Pre-Exhaust Training Principle Explained

This unique exercise principle was invented by MuscleMag Int’l publisher the late Robert Kennedy and endorsed by the late Arthur Jones in the 70s, as a means of working a prime mover muscle with the greatest amount of intensity. It is used by many bodybuilding champions to shock their muscles into new growth.

Pre-exhaust specifies that if you intend to work a prime mover muscle group (e.g., mid-pecs of the chest) with a generalized exercise (e.g., Supine Barbell Bench Press) that not only stresses the prime mover but also the synergistic or helping muscles (in this situation it is the triceps muscles), you should first do a specific exercise (e.g., Supine Dumbbell Flyes or Pec Deck) that works the prime mover muscle group exclusively