2006-11-10 2006-7-26 Post-Tib Tendonitis is a strain placed on the posterior tibial tendon. The posterior tibial tendon runs along the inside of the ankle and the foot. When there is post-tibial tendon disfunction, the tendon does not function to hold up the arch, resulting in flat feet. This can lead to heel pain, arch pain, plantar fasciitis and/or heel spurs. With post-tib tendonitis, pain will be more severe upon weight bearing, especially while walking or running. 114624 text/html 1.0 EN Post-Tib Tendonitis Relief the tendon does not function to hold up the arch resulting in flat feet. This can lead to heel pain arch pain plantar fasciitis and/or heel spurs Lynco L420 Sports Orthotics - Posted Heel Post-Tib Tendonitis Relief text