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Tendinitis refers to the inflammation of the tendon tissue, which involves larger-scale acute injuries. Injuries are more common in the upper and lower limbs as compared to the hips and torso. Variation in frequency and severity of tendinitis depends on the type, frequency, and severity of the use. Inflammation of the Achilles tendon is the most common site of injury, especially in sports that involve lower-limb stress. Patellar tendinitis is common in basketball and volleyball players because these sports involve jumping and landing. Symptoms include pain, joint stiffness, burning surrounding the entire joint with erythema, and possible visible knots. The pain usually worsens after strenuous activity, and the tendon can become stiff the following day. If the symptoms last several months, tendinosis has to be ruled out.