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Sexual Dimorphism in Guyon’s Canal Dimensions Among Young Adults

Abstract

The study examines sexual dimorphism in Guyon’s canal dimensions among young adults, with emphasis on differences in selected morphometric characteristics between male and female participants. Guyon’s canal is an anatomical passageway located at the ulnar aspect of the wrist through which the ulnar nerve and ulnar artery pass into the hand. Knowledge of its dimensions is important for understanding anatomical variation in the wrist and for supporting the assessment of conditions and clinical procedures involving the ulnar neurovascular structures. The study will determine selected dimensions of Guyon’s canal 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 Guyon’s canal, determining the mean values of the selected dimensions for each sex, assessing the differences between male and female participants, and examining the relationship between Guyon’s canal 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. Guyon’s canal dimensions will be assessed using standardized anatomical landmarks and appropriate imaging-based 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 Guyon’s canal dimensions 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 Guyon’s canal morphology without implying that sex alone determines individual anatomical dimensions. The findings will be useful to anatomists, radiologists, orthopaedic surgeons, hand surgeons, neurologists, physiotherapists, occupational therapists, and other healthcare professionals involved in the assessment and management of the wrist and hand. The study may provide useful reference data on Guyon’s canal dimensions and contribute to the understanding of anatomical variation that may assist in interpreting imaging findings and planning procedures involving the ulnar nerve and ulnar artery. The study will conclude by documenting the selected dimensions of Guyon’s canal and the observed differences between male and female young adults. It is recommended that standardized morphometric and imaging procedures be used when evaluating Guyon’s canal, while further studies involving larger and more diverse populations should be conducted to establish broader sex-specific anatomical reference data.

Keywords: Guyon’s canal, sexual dimorphism, Guyon’s canal dimensions, wrist anatomy, ulnar nerve, ulnar artery, hand anatomy, anatomical variation, young adults, morphometry, sex differences, wrist morphology, radiology, hand surgery, anatomical measurements.