Shop Tibialis Posterior Dysfunction Xline TPD insoles are an instant solution to Tibialis Posterior Dysfunction as it offers comfortable support of the foot and arch Achilles Tendonitis Arch Pain Arthritis Athlete’s Foot Blisters Callus Cavus Foot HomeConditionsTibialis Posterior Dysfunction Foot Therapy Ball Coming in three sizes, 70mm 80mm & 100mm diameter, these therapy balls help strengthen the flexor muscles (gripping) in the toes of the foot.Stronger feet are comfier feet £8.95 + More Stay one steap ahead in the treatment of foot and lower limb conditions. Call the HealthyStep team on 01457 839549