Can someone please tell me how to properly do a situp or crunch? Or your opinion? I'm so confused and I don't want to injure my lower back or anything for that matter but I need to get this under control. Thanks :)
Hi My name is Jenna and I am 28 years old. I would like to have some friends to ineract with on our weight loss journey. Go ahead and add me so we can help eachother out. :)