So after a long weekend of being lazy I went to the gym yesterday. Normally I do a 30 minute walk to stretch out before lifting anything. This time I did a small amount of stretching then went straight for the leg press. I put about 200lbs on it, first rep my back wasn't quite in the right position (I put my back into it a bit to get it started). My back cracked and I felt pain, I dropped the weight asap. It was sore all day yesterday and still sore today. I've been taking ibuprofen and put some ice on it last night. Anything else I should do to help with the healing process? I'm pretty sure it's just a strain. I'm not in much pain, just discomfort and some pain in certain position (especially if I try to bend down). Should I wait until it is fully healed before going back to the gym?