Tendinitis is inflammation of a tendon. This inflammatory problem typically stems from overuse or repetitive actions. Many regions of the body are prone to tendinitis. Some of the most commonly affected tendons are the Achilles tendon, rotator cuff tendons, biceps tendon, and patellar tendon. A thorough evaluation will take place on the first visit to determine the severity and course of treatment. Physical therapy can include modalities for pain. Strengthening exercises are vital in order to rebuild weakened muscles so that they can withstand the stresses required for activity, work, lifting and recreation.