ASSOCIATIONS BETWEEN LOWER-LIMB MUSCULAR STRENGTH, RUNNING TECHNIQUE, AND SPRINT PERFORMANCE IN MIXED-SEX UNIVERSITY ATHLETES: A CROSS-SECTIONAL STUDY

Karimov Bekzod Boyqobilovich ()
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Karimov Bekzod Boyqobilovich: University of Economy and Pedagogy

Synoptic: International Journal of Multidisciplinary Research, vol. 2, issue 1, 15-30

Abstract: Background: Lower-limb muscular strength is a well-established contributor to sprint performance; however, the mechanistic pathways through which strength influences sprint outcomes - specifically through modulation of running technique parameters - remain insufficiently characterized in mixed-sex university athlete populations. Objective: This cross-sectional study examined the associations between lower-limb muscular strength indices, running technique variables, and 30-metre sprint performance in university athletes, and identified the primary strength predictors of sprint time and biomechanical efficiency. Methods: Thirty university athletes (n = 18 males, n = 12 females; mean age: 20.9 ± 1.8 years) participated in a single-session assessment protocol. Muscular strength was evaluated using the one-repetition maximum (1RM) bilateral leg press and isokinetic dynamometry for knee extensor and flexor peak torque (60°/s). Sprint performance was assessed over 30 metres using dual-beam infrared timing gates. Running technique variables - stride length (SL), stride frequency (SF), and ground contact time (GCT) - were captured via inertial measurement unit sensors. Pearson and Spearman correlations, independent-samples t-tests, and stepwise multiple regression analyses were employed. Significance was set at p

Keywords: muscular strength; sprint performance; running technique; stride length; stride frequency; university athletes; cross-sectional study; isokinetic dynamometry; ground contact time; physical fitness (search for similar items in EconPapers)
Date: 2026-05-01
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