Alexia Clarkのインスタグラム(alexia_clark) - 9月30日 05時25分

Don’t have a hyper extension or a back extension? Here are two alternatives you can do ANYWHERE!

Why is this exercise good to do?

It strengthens your lower, mid and upper back, improves posture and when performed correctly it lowers your risk of injury.

www.alexia-clark.com

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