StackUp

Weight and reps

Machine Crunch

Muscles workedAbs
EquipmentMachineIsolation

How to do it

  1. Set the pivot at your waist, not your chest.
  2. Curl the spine rather than folding at the hip.

Common mistakes

  • Loading it heavily and moving through a few centimetres.

In StackUp. Logged as weight and reps per set, and your heaviest working set decides whether the weight goes up next time. Get the app.

Core

More core exercises