Patellar Tendonitis usually begins with a stiff feeling in the patellar tendon itself. You usually feel this stiffness the most when you're running down a hill or going down the stairs. Once you get warmed up and stretch, the pain may go away, but as the injury worsens, that pain may remain for the "duration of the workout." Since that tendon is absorbing so much shock, "the long strands of connective tissue that make up the tendon can become injured." The problem isn't so much with the tendon being inflamed, but more with the "damaged and degraded tendon structure that results from chronic stress on the patellar tendon." Things that could be related to may have couased patellar tendonitis are:

• having poor hamstring and quadricep flexibility

• poor explosive leg strength

• weak thigh muscles, especially inner thigh muscles for runners

• uneven leg muscle strength

• misalignment with your legs, hips, or ankles

• your shoes not being supportive enough for your feet

• hard surfaces you're repetitively pounding on while running

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HOW TO FIX PATELLAR TENDONITIS

• stretch your hamstrings and quadriceps multiple times a day

• Pilot studies have proposed that "platelet-rich plasma injections, a therapy which involves injecting a concentrated form of platelets found in your own blood, and extracorporeal shockwave therapy, a souped-up version of ultrasound, may be able to stimulate healing as well."

• "extracorporeal shockwave therapy (or ESWT) aims to selectively break down tissue to accelerate healing."

• Icing after your runs for ten to fifteen minutes should help reduce inflammation

• taking ibuprofen, tylenol, or aleve with breakfast and dinner for a few weeks to help with the inflammation

• rest may be also be a good idea to help decrease inflammation and give the tendon time ti recover

• physical therapy to strengthen the tendon and the muscles around the rendon could be beneficial as well; I know, I was in physical therapy for this issue for five months

There are other treatments as well, that you can find here.