Ab Crunch Machine

An isolation machine exercise for the rectus abdominis.

  • Core
  • Machine
  • Isolation

All exercises

Log it in Platesmith. The app shows last time's numbers on every set of Ab Crunch Machine, times your rest and tells you when to add weight. Free, with no ads.

Coming soon toiPhone Coming soon toAndroid

Muscles worked

MainRectus abdominis
AlsoObliques

Setup

Curl the ribcage toward the pelvis rather than just hinging at the hips.

How to do it well

  • Set the seat and grip the handles
  • Crunch by flexing the spine
  • Control the return

Common mistakes

  • Pulling with the arms
  • Using momentum instead of the abs

Free programs with Ab Crunch Machine

Similar exercises

General guidance, not medical advice. Start lighter than you think, and check with a doctor first if you have a health condition or injury.