Raising and lowering the upper body in a supine position (trunk bend) ► crunch

Individual work

Sit on the exercise ball in a slightly reclined position, legs on the floor, arms folded across your chest, raise and lower your upper body.

Attention:
Do not lower your upper body completely and do not raise it too far (constant tension), head in a neutral position (no double chin).

Lighten:
Hold your arms in front of you.

Harden:
Place your arms at an angle next to your head or even hold them up; hold additional weight in front of your chest.

1 exercise ball

1 weight disc/dumbbell ► Make the exercise more difficult (additional weight)