1: Planks engage the entire core for better stability and endurance.

2: Russian twists target obliques and improve rotational strength.

3: Mountain climbers build core strength while increasing cardiovascular endurance.

4: Bicycle crunches work upper and lower abs for a complete core workout.

5: Side planks strengthen obliques and improve overall core stability.

6: Dead bugs engage deep core muscles for better overall strength.

7: Leg raises target lower abs for a strong and defined core.

8: Bridge exercises activate the glutes and core for better posterior chain strength.

9: Bird dogs improve balance and stability while working the entire core.