The video is about a cardiovascular work out called "Fartlek" which means "speed play" in the swedish language, the secret is to fatigue and recover the left ventricular of the heart, the same way as you would do hammer or bicep curls wear you rip biceps to make them stronger by fatigue and recovery.
I will ad some more later ;)
10:21 at the mo
silverfox2358 1 year ago
@TheSamara89kitten got it down to 10:46 thats only 1 second faster
silverfox2358 1 year ago