Sit on a cable machine with your feet flat on the ground and your knees bent.
Hold the cable handle with both hands and position it behind your head.
Engage your abs and slowly curl your upper body forward, bringing your chest towards your knees.
Pause for a moment at the top, then slowly return to the starting position.
Repeat for the desired number of repetitions.
Activation
Abs
PrimarySets
3–5
Reps
8–12
Rest
60s