Bifurcated popliteus tendon: a descriptive arthroscopic study.

Area of Science:

• Orthopedic Surgery
• Human Anatomy
• Medical Imaging

Background:

• The popliteus tendon is crucial for knee stabilization.
• Anatomical variants, such as a bifurcated tendon, are increasingly reported.
• The frequency and clinical relevance of a bifurcated popliteus tendon remain unclear.

Purpose of the Study:

• To determine the prevalence and characteristics of popliteus tendon bifurcation.
• To assess the clinical and imaging findings associated with this anatomical variant.

Main Methods:

• Prospective analysis of 1,569 knee arthroscopies performed between January 2005 and December 2007.
• Identification of bifurcated popliteus tendons during arthroscopic procedures.
• Review of pre-operative magnetic resonance imaging (MRI) and clinical data for identified cases.

Main Results:

• Six cases of asymptomatic bifurcated popliteus tendons were identified.
• No significant MRI abnormalities or pre-operative clinical symptoms related to the popliteus tendon were observed in these individuals.
• The bifurcated tendon variant was an incidental finding in all identified cases.

Conclusions:

• The bifurcated popliteus tendon is a confirmed anatomical variation.
• The prevalence of this variant, previously unreported, is significant and should be considered in orthopedic assessments.
• Further research is needed to understand the functional implications of a bifurcated popliteus tendon.