Changes

Changing running form can be difficult and risky, and evaluation should be performed using something like high-speed video to verify that a problem exists. One alternative is to vary your pace and running style slightly every few miles. This could be to pick up the pace slightly for 20 to 30 seconds, or to consciously raise the knees higher, or any other variation that helps to stretch your muscles a little.

The following criteria can be used to determine if the cramping is due to muscle fatigue or sodium deficiency:

* '''Sudden onset'''. Sodium deficiency tends to cause minor cramping that escalates whereas muscle fatigue is often sudden and dramatic.