1. How you do it:
2. Why you should know it:
The plank is an exercise all fitness buffs should know. It helps with wrist and arm strength as well as core activation. With endless variations, the exercise seamlessly shifts from beginner to advanced. The more often and the longer you do it, the stronger your back becomes, helping with long term spinal support, your posture, and elongating your spine and neck.
3. Other ways you can do it:
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