15:18

15 MIN ROCK HARD ABS WORKOUT | Intense Core Strength at Home

15:16

15 Min COMPLETE ABS WORKOUT at Home | Core, Obliques, Upper & Lower Burn

15:16

THE CRUNCH 15 Min ABS Workout / No Equipment, No Repeat, Complete Ab Burn

10:26

ENTRENAMIENTO DE 10 MIN. PARA ABDOMINALES DE 11 LÍNEAS abdominales superiores inferiores y laterales

10:21

This 10 Minute Abs Workout Gets FAST RESULTS! – No Equipment, Total Ab Burn