Neither physical therapy nor steroid injection improved primary outcomes of tennis elbow at 1 year; in fact, steroid injection was associated with worse outcome. Physical therapy was associated with some improvement in short-term outcomes and secondary measures.Source:
Coombes BK, et al. Effect of corticosteroid injection, physiotherapy, or both on clinical outcomes in patients with unilateral lateral epicondylalgia: A randomized controlled trial. JAMA 2013;309:461-469.