Open Access

Comparison of contractile properties and force production capacity between parts of the quadriceps muscle group

1 Giresun University, Faculty of Sport Sciences, Giresun, Turkiye ROR

Abstract

The purpose of this study was to compare the contractile differences among the quadriceps muscle compartments with their force production capacity. The study aimed to provide scientific evidence on the role of these differences in enhancing sports performance and reducing injury risk. A total of 52 healthy male athletes from football, basketball, handball, volleyball, wrestling, and boxing (mean age: 20.03 ± 2.95 years) voluntarily participated. Muscle contractile properties were assessed using Tensiomyography (TMG), while force characteristics were evaluated with the ForceFrame (FF) strength platform. Based on the measured force values, participants were divided into two groups: “stronger group (A) (n=21)” and “weaker group (B) (n=21).” Ten athletes with normal strength characteristics were excluded. To determine inter-compartment differences, muscle cross-sectional size was considered, and the percentage change between larger and smaller muscles was calculated. Comparisons among the Vastus lateralis obliquus (VLO), Vastus medialis obliquus(VMO), and Rectus Femoris (RFO) revealed significant group differences in contraction delay time (Td) (p=0.032) and muscle displacement (Dm) (p=0.001). The findings highlight the VMO muscle as a crucial determinant of both contractile properties and quadriceps force generation. In conclusion, the VMO muscle should be considered in training strategies, particularly in sports such as football, basketball, and wrestling where high loads are imposed on the knee joint. Incorporating Td and Dm parameters of the VMO into strength- and balance-focused programs may contribute to performance enhancement and injury prevention.

Keywords

How to Cite

Namazci, T. (2025). Comparison of contractile properties and force production capacity between parts of the quadriceps muscle group. Journal of ROL Sport Sciences, 6(3), 401–420. https://doi.org/10.70736/jrolss.2058

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