Crunch
coreBodyweight
Crunch is a bodyweight core movement. It primarily trains the Rectus Abdominis. In Rebar it is logged as weight × reps, so every set contributes to your volume, your estimated 1RM and your Strength Index. It is also called crunches, ab crunch, floor crunch.
Movement details
Primary muscle
Rectus Abdominis
Equipment
Bodyweight
Tracked as
Weight × reps
Category
abs
Also known as
crunchesab crunchfloor crunchabdominal crunchab crunches
Track your Crunch
Log it in Rebar and this page becomes your record for the lift: every session, your heaviest set, and estimated-1RM progression over time.
More Rectus Abdominis exercises
Movements whose primary mover is also the Rectus Abdominis.
More core with a bodyweight
Same equipment, same area — useful when the rack is busy.