Crunch legs elevated - FB
| Equipo requerido | Pelota de ejercicio |
| Músculos primarios | Todos los abdominales |
| Músculos secundarios | - |
Instrucciones
| Lay on your back on the floor |
| Place your lower legs on the ball |
| Place your hands behind your head |
| Keep your head in a neutral position over your torso |
| Tighten the abdominal muscles |
| Shoulders off the floor |