Dashboard Get the app
Decline Sit-up — abs isolation exercise in the LIFTAG library

Decline Sit-up

Isolation · Weight × reps · Time

Avoid pulling on your neck or using a steep decline that makes you swing. Reduce the angle or perform a partial curl to regress; increase the decline or hold a light load at the chest only when you can control the entire return.

IN THE APP

iOS and AndroidGet LIFTAG free

Scan the machine's QR tag and this exercise opens ready to log: sets, rest timer, PRs, and your whole progression for Decline Sit-up.

FOUND ON THESE MACHINES

HOW TO DO DECLINE SIT-UP

  1. Set the decline bench to a modest angle and secure your lower legs under the pads before lying back.
  2. Curl your trunk up from the bench and continue to a controlled seated position, then lower without dropping.
  3. Keep your hands across your chest or lightly beside your head and breathe out as you rise.

FREQUENTLY ASKED QUESTIONS

Open Decline Sit-up in LIFTAG, or tap the NFC tag / scan the QR code on the machine at a partner gym. Log each working set as weight × reps · time. The rest timer starts after you save the set, and PRs plus estimated 1RM update automatically.

MORE ABS EXERCISES

PlankPlankCrunchCrunchHanging Leg RaiseHanging Leg RaiseSit-UpSit-UpRussian TwistRussian TwistBicycle CrunchBicycle CrunchKneeling Cable CrunchKneeling Cable CrunchMountain ClimbersMountain Climbers