Applying warmth or cold to your afflicted knee will help decrease pain and inflammation. Heat therapy, for example heat compresses or heat baths, may help unwind muscles and increase blood circulation. - Patellar Tendinopathy: Also known as jumper's knee, this harm will involve pain and inflammation inside the patellar tendon. https://www.theorthopaedicandpainpractice.com/my-knee-hurts/