US Patent 10195475 Resistance training system

A physical training system configured to be worn on a human body includes an article of footwear configured to receive a foot. A medial connection member is disposed on the medial side of the article of footwear and a lateral connection member is disposed on the lateral side of the article of footwear opposite the first connection member. The dorsal side of the article of footwear extends between the medial connection member and the lateral connection member. The physical training system further includes a torso member configured to engage the torso of the wearer. At least one elastic resistance band extends between the lateral connection member and the torso member and between the medial connection member and the torso member.