- Has been diagnosed with tendinitis in the elbow (medial or lateral epicondyles), patella, or Achilles tendon based on physical examination by a healthcare practitioner and medical history. Physical examination must include one of the following: assessment of pain during manual movements of the injured limb (e.g. a positive Mill's Test [Wadsworth, 1987] for elbow tendinitis), or local tenderness upon palpation over the tendon