Army crawl planks are an amazing core body exercise that target not only all your core muscles but strengthen and challenge your upper body as well. If you learn how to do army crawl planks, you will learn how to stabilize yourself during movement and add strength to your biceps, chest and shoulders. How to do an Army Crawl Plank - https://gethealthyu.com/army-crawl-plank/ | Chris Freytag Get Healthy U