Springs, • 1/13/23 BOSU (13m) stomach series Deep stomach series work using the bump of the bosu ball, activates the upper abs more than ever. Front side to backside connection. HOME Next Spring Time #1
Springs, • 1/13/23 BOSU (13m) stomach series Deep stomach series work using the bump of the bosu ball, activates the upper abs more than ever. Front side to backside connection. HOME Next Spring Time #1
