3. The Plank

The plank is a basic exercise to undertake in terms of learning how to do it, but trust me, it will get you sweating like you never have before!

Planking gives an outstanding whole body workout and helps to make your core as strong as it can be.

However, planking can be dangerous to your lower back if you do not perform it properly, so make sure not to let your pelvis dip too much.

The Sit-up
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