Strength / Plate
A crunch variation with the legs parked out of the way -- feet braced against a wall or box, or the legs simply held up -- so the hips stay quiet and the abs do the work.
Plate
intermediate
isolation
Lie on your back and park your legs so your hips cannot help: brace your feet against a wall or a box, or hold your legs up with the knees bent.
Hold a weight against your chest with both hands -- a plate, a dumbbell, or a kettlebell all work.
Crunch up, lifting your shoulder blades off the floor.
Lower with control.
Repeat.
Choose a load and range you can control. These instructions are general guidance, not a substitute for individual coaching.
Shared primary muscles
