Jumper's Knee


Jumper's knee Description
Jumper's knee is a common cause of pain in the front of the knee.  Jumper's knee is called patellar tendinitis or patellar tendinosis by doctors.   It is often associated with athletes that are invovled in jumping sports like basketball and volleyball.  Jumper's knee is believed to be related to repeated loading of the knee extensor mechanism. 

Jumper's knee Anatomy
Jumper's knee is

Jumper's knee Symptoms
Jumper's knee causes pain and swelling in the front of the knee.  People with Jumper's knee will have pain when pushing on the patellar tendon. 

Jumper's knee Treatment 
Jumper's knee s diagnosed based on a detailed history, physical exam and xrays performed by an orthopaedic surgeon, or sports medicine specialist.

The intial treatment for patellar tendonitis is avoiding the jumping activity that is cause the pain, stretching, ice, NSAIDs, and strengthening exercises. Infrapatellar Straps are commonly used and often effective at decreasing the pain associated with Jumper's knee. 

Other treatment options have that have had mixed success include extracorporeal shock wave therapy and  Platelet-rich plasma injections. Surgical treatment is only considered for people who have failed prolonged conservative management.  Surgery generally involves debridement and repair of the patellar tendon.

Athletes returning to sports after Jumper's knee should begin with a graduated exercise program. First they should be pain free with daily activities with full range of motion and at least 85% strength in the injured leg compared to the uninjured leg. Exercise begins with light jogging in a straight line, followed by sprinting in a straight line. When these have been done without pain the athlete can proceed to doing agility type drills such as 45º cuts, 90º cuts and jumping. Agility drills should begin at half-speed and proceed to full-speed provided the athlete remains pain free.

Jumper's knee Prevention
Infrapatellar Straps are commonly used and often effective at decreasing the pain associated with Jumper's knee.

Jumper's knee Rehab and Exercise Program
Jumper's knee

Jumper's knee Outcomes
Jumper's knee generally resolves with conservative care.

Similar injuries that can be confused with Jumper's knee include:




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