The goal is to contract
the maximum number of muscle fibers in the minimum amount of time.
Not exact matches
Instead, it appears to be related to a much more fundamental metabolic constraint: the length
of time required for the animal to reach its theoretical
maximum speed, based on the
number of «fast twitch»
muscle fiber cells in the creature's
muscles, as compared to the length
of time it takes for those cells to run out
of readily available energy.
Every set, except the abdominal crunches, consists
of 8 - 12 reps.. This
number of reps is generally thought as best in achieving
maximum gains in
muscle size, and widely accepted by the bodybuilding community.
The only difference is that instead
of promoting relaxation to reach your
maximum range
of movement as you do in passive stretching in isometric stretching you deliberately contract your
muscles against a form
of resistance for a
number of seconds (normally between 8 and 10) to deliberately tire out the
muscles and then when you relax you have a short window
of opportunity in which you can stretch further before the stretch reflex reasserts itself.
The combination
of working
muscles to failure and eliminating rest periods creates workout regimen that burns the
maximum number of calories in a minimal amount
of time, and most efficiently develops
muscle tone and strength.
You may have read my monthly «Hardgainer» column in Men's Fitness or seen me featured in any
number of magazines such as
Muscle & Fitness, Men's Health or
Maximum Fitness, heard me on radio stations such as CBS and ESPN or even seen me on TV stations like ABC and Fox.