Illustrated tutorial on supine core crunch movements
Target exercise area: Abdomen
From Starting position: Lie on the floor, keep your back flat and close to the floor, keep your legs together, bend your knees, and place your soles on the ground at an angle of about 60 degrees between your thighs and calves. Bring your arms together and place them between your legs.
Action essentials: Focus on the abdomen and keep your Tighten your abdomen with your upper abdomen and tighten it forcefully toward your belly button, while lifting your back about ten centimeters off the ground. Keep your abdominals tight for 1 second and slowly return to the starting position.
Alternate repetitions to complete your volume
Variation: Increase intensity by holding a dumbbell plate against your chest