Grow Extra Inches your difficulty level as you get stronger. You should try a lighter band if you can't take the resistance. On the other hand, if it's too easy, you can opt for a heavier Grow Extra Inches band. Make sure none of your muscle or joint aches while you are training. While training, your muscles may get warm but you shouldn't feel pain. Before you begin a new exercise program, we suggest that you get in touch with a health care service provider.