Hello, dears 🙂
Liye on your back, with your spine in a neutral position and a dumbbell on each hand. Lift your legs and bend your knees to avoid an excessive curve on your lower back. Your head, shoulders, and butt should make contact with the floor/mat. Inhale.
Exhale. Contract your pecs, pressing to straighten the elbows as you extend your knees maintaining your legs raised.
Also, this will help with your push-ups 🙂