Quadriceps Tendinitis

Quadriceps tendinitis is an overuse injury of the lower extremity characterized by pain over the quadriceps tendon or the superior pole of the patella. The condition is often grouped with other overuse injuries such as patellar tendinitis and [Page 1195]Sinding-Larsen-Johansson syndrome. Both patellar and quadriceps tendinitis are often referred to as “jumper's knee,” with studies showing a career prevalence of more than 20% in elite athletes and 40% to 50% in high-level volleyball players. Most cases of jumper's knee are secondary to patellar tendinitis, whereas quadriceps tendinitis is ...