Now that spring is in full bloom, people are starting to get out more to enjoy the beautiful weather. The winter couch potato season is over and the outdoor fun has begun. At this time of year, many people break out of their sedentary winter habits and start to get more active; they join sports teams, start their jogging routines, pull out the bikes, inline skates and other fun outdoor summer activity supplies. But if you have been inactive during the colder months, you risk injuring your back and other tissues when you start increasing your activity levels again. Here are some tips to help reduce hurting yourself when you start your summer exercise activities.