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6. TRAINING
Crunch –backward–
To make the above exercise more challenging, you can lift your feet off the ground and
simultaneously bend and stretch your legs.
Crunch –sitting backward–
For this exercise, place your feet on the back rest.
Fold the back rest down slightly to do so.
Sit on the seat with your legs facing the back rest.
Lay your outstretched legs on the back rest and support yourself with your arms behind you
on the floor.
Now move your legs upward and downward.
To make this exercise more challenging, you can hold your arms at your torso or behind your neck.
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