Running may appear like a easy activity to take up to improve your fitness. However, it is far from quite as straightforward as it might seem with some research showing that up to 70% of runners experience an injury each year. Depending upon how bad that overuse injury is and just how it is managed, many runners just give up and do not continue to run. The factors behind running overuse injury are multiple but they are linked to issues such as doing too much running too early before letting the body to adjust to the increased levels of activity. Poor running footwear with design features that do not match up with those of the runners requirements will also be a factor. Disorders of foot biomechanics and also the running technique can also be problems at raising the risk for an overuse injury.

An example of a running injury is anterior compartment syndrome. There is fibrous fascia around muscles that hold the muscles in position. If this fascia is tight, once we exercise the muscle will need to expand but that restricted fascia stops it. That pressure within the fascia compartment is usually painful. In anterior compartment syndrome, this involves the muscles in the front of the lower leg. The most common reason for this condition is what is known as overstriding. In this the runner is striking the ground with their front leg too far in ahead of the body. To lower the foot to the ground, the anterior leg muscles need to work harder. As they work harder, the muscles expand and if the fascia does not allow it, then this may become painful. It will only hurt when running and will not be painful when not running. The easiest method to deal with this problem to use approaches for the runner to shorten their stride length in order that the lead foot doesn't contact the ground too far in front of the body when running.