More Information

http://www.livebeingfit.com/benefits-of-calisthenics/

https://www.onnit.com/academy/5-benefits-of-battle-ropes-training/

http://www.huffingtonpost.com/carl-gibson/mark-dayton-minnesota-economy_b_6737786.html

https://www.wsws.org/en/articles/2017/04/17/twrr-a17.html