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 X-LINE TPD SHOCK PACKS The Shock Pack version of the XLine TPD device contains a full-length die-cut layer of self-adhesive shock absorbing foam, along with rearfoot 4-degree medial wedges and heel lifts. + More Stay one steap ahead in the treatment of foot and lower limb conditions. Call the HealthyStep team on 01457 839549