Core · Beginner

Reverse Crunch

Abs

Equipment: Mat

How to do it

• Lie on your back, arms by your sides, palms down
• Lift your feet so your knees are over your hips, bent about 90°
• Exhale and curl your hips off the mat toward your ribs
• Keep the knee angle fixed as your spine rolls up
• Lower slowly until your pelvis touches the mat

Common mistake

✕ LEGS SWING, HIPS STAY DOWN → ✓ CURL HIPS UP OFF THE MAT

Starting point: 3 sets × 10–15 reps, 45s rest.

In the app: rotate the 3D model, slow it down and watch the mistake next to the correct form.

Cues checked against: acefitness.org, nasm.org.