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Jumper's knee.

A Ferretti, E Ippolito, P Mariani

    The American Journal of Sports Medicine
    |March 1, 1983
    PubMed
    Summary
    This summary is machine-generated.

    Jumper's knee, a common athletic injury, is a pathology at the bone-tendon junction. Surgical repair of persistent cases showed satisfactory results in most athletes, enabling a return to sports.

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    Area of Science:

    • Orthopedics
    • Sports Medicine
    • Histopathology

    Background:

    • Jumper's knee (patellar or quadriceps tendonitis) affects numerous athletes, particularly in jumping sports.
    • Conservative treatments are typically effective, allowing athletes to resume their activities.

    Purpose of the Study:

    • To present the histologic findings of jumper's knee.
    • To report on surgical repair outcomes for 18 knees after conservative treatment failure.

    Main Methods:

    • Histologic examination of surgical specimens from 18 knees with jumper's knee.
    • Surgical repair of the affected patellar or quadriceps tendons.

    Main Results:

    • Histology confirmed jumper's knee is a bone-tendon junction pathology.

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  • Abnormalities included pseudocystic cavities, fibrocartilage thickening with metaplasia, mineralization, and ossification.
  • Eleven of 18 surgically treated knees achieved satisfactory results, with full resumption of sports.

    • Conclusions:

    • Jumper's knee is histologically characterized by bone-tendon junction abnormalities.
    • Surgical intervention can be successful for athletes with refractory jumper's knee, facilitating return to sport.