A reprint of the article "The Biomechanics of Golfer's and Tennis Elbow" that was previously published in "Massage and Body Magazine" is presented. It compares and contrasts the biomechanics of golfer's and tennis elbow. Topics covered include the proximal attachments of both elbows that can cause elbow pain, the factors that causes a tennis player to develop tennis elbow, and activities of daily life that place physical stresses and cause golfer's or tennis elbow.