Pretty much everything you do in a typical day, from tying your shoes in the morning to loading the dishwasher at night, relies on your core. Outdoor activities like running, biking, or hiking, are essentially powered by it. A weak and unbalanced core can drastically limit how the rest of your body works. And Iâ€™m not just talking about developing abs. Your core is made up of everything except your arms and legs. Forge adds the fuel to your fire to deliver a comprehensive training experience resulting in remarkable strength, flexibility and balance.