How to perform Crunch (Machine)

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Core · Machines

Crunch (Machine)

Also known as: Crunch (Machine).

Seated ab crunch machine.

How to perform this exercise

Adjust the crunch-machine seat and pad to match your torso and take the handles.
Flex the trunk against resistance by bringing chest and pelvis toward each other, using the arms only for support.
Return slowly to the start without dropping the weight stack.

Read further and apply

Understand RPE and RIR

Give your work sets context: how heavy did the set feel?

Progressive overload

Progress through reps, weight, and similar execution.

Using your training log

Record your work sets and compare workouts fairly.

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