The following posture tests core strengths, builds muscular mass, improves balance while building your abs at the same time.

Step One
Rest your body on all fours, with your hands placed directly under your shoulders and your knees resting directly underneath your hips.

b. Step Two
Extend your right leg out and keep it straight on the floor.
c. Step Three
Lift your right leg to the same height as your hips. Keep them in the same alignment as before.
d. Step Four
Lift your left arm to the shoulder level and keep it outstretched.
e. Step Five
Balance your body weight on the right arm and left leg and keep your spine straight. Hold this position for 10 counts.
f. Step Six
Exhale as you return to your starting position. Rest for 5 counts and repeat the posture with the other leg.