Anterior Attachments of the Medial Patellofemoral Ligament: Morphological Characteristics.

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Tác giả: M Adeel Alam Shah, Jing Cheng, Wen-Bin Jiang, Hong-Jin Sui, Jia-Wei Wang, Sheng-Bo Yu, Xu-Hui Zhang, Nan Zheng

Ngôn ngữ: eng

Ký hiệu phân loại: 133.594 Types or schools of astrology originating in or associated with a

Thông tin xuất bản: United States : The Journal of bone and joint surgery. American volume , 2025

Mô tả vật lý:

Bộ sưu tập: NCBI

ID: 473577

 BACKGROUND: The medial patellofemoral ligament (MPFL) is the most important passive restraint of the medial patella and provides approximately 53% to 80% of medial soft-tissue restraints, although its relationship to the parapatellar structures is still not completely understood. METHODS: Twenty-six formalin-fixed knees (13 for P45 plastination, 10 for dissection, and 3 for histology) were obtained from cadavers donated to the Department of Anatomy at Dalian Medical University. The mean age of the donors was 78.1 years (range, 52 to 95 years). These specimens were obtained from 4 women and 10 men. The integration of the anterior end of the MPFL with the extensor apparatus of the knee was observed, and the morphological observations were captured using a digital camera. RESULTS: The MPFL was found to be attached to the extensor apparatus in 3 ways: its main fibers ran deep to the vastus medialis obliquus (VMO) tendon and ultimately inserted into it
  its upper portion extended from, and was reinforced by, the vastus intermedius (VI) tendon
  and its lower portion merged weakly into the parapatellar tendon. No direct attachment to the patella was found. CONCLUSIONS: The MPFL attachments to the extensor apparatus occur in 3 locations: the VMO tendon, the VI tendon, and the parapatellar tendon-and not the patella. No direct attachment to that bone was identified. This study provides a comprehensive anatomical relationship between the MPFL and the extensor apparatus of the knee (the patella and quadriceps). Clinically, we suggest that reconstruction of the MPFL be performed with fixation of its anterior end to the VMO rather than to the patella.
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