Abstract
Background: The human foot's complex structure plays a vital role in stability and support during various activities. Understanding the weight distribution across the metatarsal bones, particularly the 5th metatarsal, is crucial for maintaining optimal foot health and functionality. Previous studies have indicated variability in weight distribution between the left and right feet, influencing gait patterns and overall foot health. Objective: This study aimed to investigate the correlation between weight distribution on the 5th metatarsal of the right and left foot in young adults, providing insights into foot biomechanics and informing clinical practices and footwear design. Methods: Employing a cross-sectional observational design, the study included 140 individuals aged between 18 and 29 years. Participants with severe musculoskeletal or neurological conditions, pregnancy, or inability to maintain a standing posture were excluded. Weight distribution was assessed using the Podata Postural Stabilometric Foot Plate. Data analysis involved descriptive statistics, t-tests, and calculation of confidence intervals, performed using SPSS Version 25. Results: The mean weight on the 5th metatarsal was 0.467 kg for the left foot (standard deviation: 0.331) and 0.995 kg for the right foot (standard deviation: 0.774). A moderate positive correlation (r = 0.45) was found between the weight distributions on the left and right 5th metatarsals, with a statistically significant p-value of 0.01. Conclusion: The study revealed a significant discrepancy in weight distribution on the 5th metatarsal between the left and right feet among young adults. These findings have critical implications for personalized podiatric care and the design of orthotic devices and footwear, emphasizing the need for further research in foot biomechanics and health.
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