Ab Crunch Machine
coreMachine
Ab Crunch Machine is a machine core movement. It primarily trains the Rectus Abdominis, with the Obliques assisting. 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 ab machine, crunch machine, machine crunch.
Movement details
Primary muscle
Rectus Abdominis
Secondary
Obliques
Equipment
Machine
Tracked as
Weight × reps
Category
abs
Also known as
ab machinecrunch machinemachine crunchseated ab crunchabdominal machineabdominal crunch machineabs machine
Track your Ab Crunch Machine
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 machine
Same equipment, same area — useful when the rack is busy.