- Lie on your back, legs bent and lifted off the ground.
- Lower one leg to the ground until your foot taps the ground, keep your other leg up.
- Alternate sides for the prescribed amount of reps.
- Begin in an elbow plank position with your core engaged.
- Bring your right knee towards your right elbow.
- Return to plank, then switch legs quickly. Repeat.
- Lie on your back, knees bent, hands behind head.
- Crunch up, flexing the spine and your abs.
- Hang from a bar with arms fully extended.
- Lift legs to form an "L" shape.
- Hold for allotted amount of time keeping your abs flexed.
