This is a common overuse injury in athletes. A number of theories exist to explain the pathological processes in medial tibial stress syndrome and the risk factors for it. This leads to a number of pet theories on how it should be treated.

Resources:

http://www.podiatry-arena.com/podiatry-forum/tags/index.php?tag=/medial-tibial-stress/

http://www.podiatry-arena.com/podiatry-forum/showthread.php?t=1898

http://www.clinicalbootcamp.net/medial-tibial-stress-syndrome.htm