Crunch


1. Crunch

Crunch
Main muscles
Abs

Starting position

Lying on the ground on your back with bent knees and feet flat on the ground. You can put your hands behind your head or on your chest.

Execution

Contract your abs by raising your shoulders and upper back towards your knees. Keep your lower back firmly on the ground. Stay in the upright position for a second, then slowly return to the original position.