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Sexual Dimorphism in Popliteal Fossa Dimensions Among Young Adults

Abstract

The study examines sexual dimorphism in popliteal fossa dimensions among young adults, with emphasis on differences in selected morphometric characteristics between male and female participants. The popliteal fossa is a diamond-shaped anatomical region located at the posterior aspect of the knee and contains important structures including the popliteal artery, popliteal vein, tibial nerve, and common fibular nerve. Knowledge of its dimensions is important for understanding regional anatomy and for supporting clinical procedures and assessments involving the knee and posterior aspect of the lower limb. The study will determine selected dimensions of the popliteal fossa among young adults and compare the observed measurements between male and female participants. The specific objectives will include measuring the length, width, and depth of the popliteal fossa, determining the mean values of the selected dimensions for each sex, assessing the differences between male and female participants, and examining the relationship between popliteal fossa dimensions and selected anthropometric characteristics where applicable. A cross-sectional descriptive research design will be adopted for the study. An appropriate sample of male and female young adults will be selected using a suitable sampling technique. Popliteal fossa dimensions will be assessed using standardized anatomical landmarks and appropriate imaging-based or anatomical procedures, while relevant anthropometric measurements will be obtained using standardized instruments and techniques where applicable. The collected data will be analyzed using descriptive statistics such as frequency, percentage, mean, and standard deviation, with appropriate independent-group inferential tests used to assess differences between male and female participants. The study is expected to reveal measurable variation in the dimensions of the popliteal fossa among the participants, with some dimensions potentially showing differences between male and female groups. However, considerable overlap in measurements may also be observed between the groups. The findings are expected to provide information on patterns of sexual dimorphism in popliteal fossa morphology without implying that sex alone determines individual anatomical dimensions. The findings will be useful to anatomists, radiologists, orthopaedic surgeons, vascular surgeons, neurologists, physiotherapists, and other healthcare professionals involved in the assessment and management of the knee and posterior aspect of the lower limb. The study may provide useful reference data on popliteal fossa dimensions and contribute to the understanding of anatomical variation that may assist in interpreting imaging findings and planning procedures involving the neurovascular structures within the region. The study will conclude by documenting the selected dimensions of the popliteal fossa and the observed differences between male and female young adults. It is recommended that standardized morphometric and imaging procedures be used when evaluating the popliteal fossa, while further studies involving larger and more diverse populations should be conducted to establish broader sex-specific anatomical reference data.

Keywords: Popliteal fossa, sexual dimorphism, popliteal fossa dimensions, knee anatomy, posterior knee, lower limb anatomy, popliteal artery, popliteal vein, tibial nerve, common fibular nerve, morphometry, anatomical variation, young adults, sex differences, anatomical measurements.