INSTRUCCIONES CON VIDEO

- HOLLOW HOLD: https://www.youtube.com/watch?v=4xRpGgttca8
- V - SIT UP: https://www.youtube.com/watch?v=iP2fjvG0g3w
- TUCK UPS: https://www.youtube.com/watch?v=obVuc0wZoss
- SHOULDER TAPS: https://www.youtube.com/watch?v=gWHQpMUd7vw