To investigate the accuracy of shear-wave elastography (SWE) in diagnosing patellar tendinopathy in female volleyball and basketball players. In addition, we want to compare different parts of the patellar tendon and investigated the effects of different knee angles.

Inclusion Criteria were:

• being a female athlete between the ages of 17-35 playing professional basketball or volleyball and agreeing to participate in the study

Exclusion Criteria were:

• to have a history of partial or full-thickness patellar tendon tear,
• if they received an injection in or around the patellar tendon within the past 12 months,
• undergone patellar tendon graft repair for anterior cruciate ligament, had a ligament or meniscus operation within the past six months,
• have a chronic disease (such as diabetes, heart disease, or rheumatic disease),
• are actively using oral contraceptives,
• have an active infection in the knee or surrounding tissues

female athletes between the ages of 17-35 playing professional basketball or volleyball.