Bridges

Lie on your back with your knees bent so that your feet are flat on the ground. Squeeze those glutes and press your torso and lower body off of the ground so that your weight now balances on your upper shoulders and feet.

10 min abs workout
At home abdominal and oblique exercises

Downward Dog Lifts & Pike Push Ups

Windmills & tricep extensions

Crunch free abs workout