- How to accumulate 5 min in a superman back ext hold:
- Bring yourself to the top position of the superman back extension (arms straight and off, legs straight and thighs off). Hold in the this position and start a clock. If you must rest, stop the clock. Continue with this until you have accumulated 5 min in the held position.
Why Cross Body Curls on a Ball?
Enrique! They do it right at ONELIFE in Merida, MX!