Inclusion Criteria:  Insidious onset of heel pain with running or jumping activities lasting at least three weeks Location of pain is focal at the calcaneus over the Achilles tendon attachment and/or the Achilles tendon  Exclusion Criteria:  Subjects having an underlying diagnosis predisposing to heel pain (spina bifida, osteogenesis imperfecta, Larsen syndrome, cerebral palsy) History of calcaneal fracture or foot/ankle surgery in the past 6 months Another injury that limits the ability to perform exercises on the injured leg