negative and bone scans positive. Biomechanical assessment is readily available, and you should certainly seek it if you have a recurrent or chronic injury.What else could it be? All the other lower-leg conditions. There is much overlap between periositis

)Achilles TendinitisLower-leg injuriesAnterior Compartment SyndromeCalf tearShinsplintsStress FracturesTibial Periositis (shin)Knee injuriesAnterior Cruciate Ligament injuryBaker's CystHoffars syndrome Medial Collateral Ligament injury Meniscal CystMeniscal Injuries

? Your pain could alternatively be caused by stress fractures (again!) or tibial periositis (see below). It could also come from muscle tears or tenosynovitis, where inflamed muscles within a sheath rub roughly against each other