Running or jogging for good health or competition may appear like a simple exercise, however up to 50 % of all runners might get some sort of injury each year. That injury may be relatively minor and they run through it until it improves or it might be serious enough for them to have to cease running or jogging. The commonest cause of these running injuries is that the runner basically over did it. They ran too much before the body is given time to adapt or get used to the miles being run. Each time that a load is applied to the runner it is important to give it a rest before applying another load by going for another run. If too much load is applied before recovery from a earlier workout, any damage get amplified and this might progress into an injury. Rest is just as important as the training runs and that is how fitness and strength is increased and is also how an injury is prevented.
In addition to the too much too soon issue, biomechanics also has a role. This is the way that we run and different runners do it in different ways. Different running techniques can load different tissues in a different way and affect some tissues too much, so that when running that could be enough to result in an overuse injury. For example, injuries such as medial tibial stress syndrome (shin splints) may occur when the width between the foot placement when running is too narrow. Runners with this condition can benefit from running with a wider base of gait. Another common biomechanical problem in runners can be tight calf muscles. When running this will cause the arch of the foot to break down or flatten and can result in a a range of injuries such as heel pain to runners knee. These people may benefit the most from a calf muscle stretching rehab plan. The management of running injuries will depend on the cause and really should be geared towards the cause, whether its biomechanics to training load issues.