 The day of study entry Visit 1 will be coordinated with the participants final visit in the earlier clinical trial. All participants will return to the clinic for repeat assessments of their Achilles tendinosis and overall health 6, 12 and 18 months after study entry. Furthermore, they will complete telephone visits; during which they will report information on their overall health; 3, 9, and 15 months after study entry. Total duration of patient participation is approximately 18 months. 