Just to prove to everyone that I'm not so rabidly hateful of TNation that I'm blind to its occasionally worthwhile articles, here is an older one on using eccentric-only training to heal tendinitis. Backed up elsewhere by various people who aren't full of shit and and aren't trying to sell stuff.

http://www.t-nation.com/free_online_article/sports_body_training_performance/eccentric_exercise_a_solution_to_tendonitis