pull down to refresh
Some say 3 x 30 x 130 - 3 times per week 30 minuts of exercise with 130 heartbeat rate.I modified it slightly, to: 3 x 39 x 150, while making 2400m of swimming.
Some say 3 x 30 x 130 - 3 times per week 30 minuts of exercise with 130 heartbeat rate.
I modified it slightly, to: 3 x 39 x 150, while making 2400m of swimming.