Get the best results from your HIIT workouts by understanding the muscle action needed to perfect each exercise.
Explore the physiology of more than 90 essential HIIT exercises, to master each movement with confidence and control.
Recent scientific research shows that HIIT is the most efficient form of exercise for raising fitness levels, increasing cardio-respiratory health, and losing weight.
Science of HIIT reveals the facts, with annotated artworks that show the mechanics, the angles, the key muscle and joint actions working below the surface of each exercise, safe alignment, and much more.
Look no further to achieve technical excellence in your practice and develop your own programme of varied workouts, to optimize the benefits of HIIT to body and mind.

We need your support!
Make a donation to help us stay online
        
Bitcoin (BTC)
bc1q08g9d22cxkawsjlf8etuek2pc9n2a3hs4cdrld
	
Bitcoin Cash (BCH)
qqvwexzhvgauxq2apgc4j0ewvcak6hh6lsnzmvtkem

Ethereum (ETH)
0xb55513D2c91A6e3c497621644ec99e206CDaf239

Litecoin (LTC)
ltc1qt6g2trfv9tjs4qj68sqc4uf0ukvc9jpnsyt59u

USDT (ERC20)
0xb55513D2c91A6e3c497621644ec99e206CDaf239

USDT (TRC20)
TYdPNrz7v1P9riWBWZ317oBgJueheGjATm