The effect of hamstring /quadriceps muscle strength ratio on plantar pressure distribution - A pilot study

Year 2024, Volume: 10 Issue: 4, 298 - 305, 31.12.2024

Esedullah Akaras , Nevin A. Güzel , Gamze Çobanoğlu , Zeynep Berfu Ecemiş , Batuhan Ünal Şimşek

https://doi.org/10.31459/turkjkin.1576269

Abstract

The interaction between agonist and antagonist muscles, particularly the quadriceps and hamstrings, is critical in knee joint biomechanics, impacting its stability and functionality during movement. This study investigates the relationship between the hamstring/quadriceps (H/Q) muscle strength ratio and plantar pressure distribution in the foot during walking. Utilizing dynamic pedobarography and isokinetic dynamometry, we assessed 19 male participants (mean age: 25.22±3.33 years; BMI: 22.64±2.39 kg/m²) to measure plantar pressure and muscle strength ratios. Our findings indicate significant correlations between muscle strength imbalances and variations in plantar pressure, suggesting that both the H/Q ratio and individual muscle strengths are influential in foot biomechanics. Specifically, increased hamstring strength relative to the quadriceps was associated with higher plantar pressure on the heel, while a lower H/Q ratio correlated with increased pressure on the forefoot and toes. These insights may underscore the importance of balanced muscle function for maintaining proper gait mechanics and preventing lower extremity injuries. The study highlights the necessity of integrating muscle strength assessments in clinical evaluations to enhance musculoskeletal health and functional mobility.

Keywords

H/Q ratio, hamstring strength, pedobarography, plantar pressure, quadriceps strength

Ethical Statement

The study was approved by the Gazi University Ethical Committee (04.05.2021/08-561) and it was carried out in accordance with the Code of Ethics of the World Medical Association also known as a declaration of Helsinki.

Supporting Institution

Gazi University

Thanks

We would like to thank Gazi University Scientific Research Project Unit for its contribution.

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