The Achilles tendon lies in the back of the heel. Injury to this is associated with marked difficulty with walking. When there is a complete tear of the Achilles tendon open surgical intervention is required. Partial tears of the Achilles tendon can often be treated before they progress to full tears with regenerative therapy techniques. In fact, recent studies show an approximate 80% reduction in symptoms and improvement in function following the application of regenerative medicine techniques to Achilles tendon injuries.