1. Bicycle crunch

Try doing three sets of 15 repetition each side.

2. Alternating Toe Touch

Try doing three sets of 10 repetition each.

3.Plank

Try doing it for maximum time you can hold the position.

4.Mountain Climber

Try doing three sets of 20 repetition each.

5. Leg Raises

Try doing three sets of 10 repetition each.

6.Situps

Try doing three sets of 20 repetition each.