Core · Isolation

Machine Crunch

A seated crunch machine that makes loading the abs simple.

MAIN MUSCLE
Abs
ALSO WORKS
Obliques
EQUIPMENT
Machine
LEVEL
Beginner
REPS
10-15
TEMPO
2-1-2
THE FIGURE FROM THE APPWORKING MUSCLE

HOW TO DO IT

  1. Adjust the seat and set your feet under the pads.

  2. Grip the handles and sit tall.

  3. Crunch forward by curling the ribs toward the hips.

  4. Return slowly to the start.

COMMON MISTAKES

  • Pulling on the neck; keep hands light and the chin slightly tucked.
  • Using hip flexors and momentum; curl the spine and move slowly.

TIPS

  • Exhale fully as you curl up to feel the abs contract harder.

QUESTIONS

Which muscles does Machine Crunch work?

The main muscle is Abs. It also works Obliques.

How many reps should I do?

FORGE suggests 10-15 reps for Machine Crunch. The app adjusts sets and reps to your goal and level.

What can I do instead of Machine Crunch?

These train the same muscles: Cable Crunch, Decline Sit-Up, Crunch.