| Title: | Within-session reliability and comparison in resisted sprint performance with the 1080 Sprint between belt and harness attachment points |
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| Authors: | ID Sašek, Matic (Author)
ID Volk, Nicola Reiner (Author)
ID Šarabon, Nejc (Author) |
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| Files: |  https://doi.org/10.52165/kinsi.31.3.170-181
https://journals.uni-lj.si/kinsi/article/view/24192
 RAZ_Sasek_Matic_2025.pdf (667,92 KB)
MD5: 9AC80D84E318BE416EEBBA21E306FD26
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| Language: | English |
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| Work type: | Article |
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| Typology: | 1.01 - Original Scientific Article |
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| Organization: | FVZ - Faculty of Health Sciences
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| Abstract: | The application of resistance over the shoulder or hips during resisted sprints could influence performance outcomes but has not been thoroughly investigated. This study examined the within-session reliability of sprint performance measures and compared the outcomes of 1080 Sprint device between belt (hips) and harness (shoulders) attachment. Twelve student-athletes completed three 20 m sprints with resistance equivalent to 25% of body mass (14.0 to 24.7 kg). Sprint split times (5 m, 10 m, 15 m, 20 m), peak velocity, and distance at peak velocity were recorded with 1080 Sprint. Within-session reliability was assessed using intraclass correlation coefficients (ICC3.1) and coefficients of variation (CV), while differences in performance were analysed using paired t-tests and effect sizes (ES). Reliability was excellent for all variables (ICC3.1≥ 0.93; CV ≤ 3.08 %) except distance at peak velocity, which showed poor reliability (ICC3.1≥ 0.32; CV ≥ 17.2 %). Sprint times and peak velocity were faster with the belt attachment (ES ≥ 0.93), while peak velocity was reached earlier with the harness attachment (ES = 0.65). Both attachment points provided reliable measurements, but the belt consistently resulted in faster 20 m sprint performance. Coaches and practitioners should consider these differences when assessing resisted sprint performance or prescribing training to ensure consistent and individualized loading strategies |
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| Keywords: | resisted sprint, resistance, sprint performance, speed assessment |
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| Publication status: | Published |
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| Publication version: | Version of Record |
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| Publication date: | 21.12.2025 |
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| Year of publishing: | 2025 |
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| Number of pages: | str. 170-181 |
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| Numbering: | Vol. 31, no. 3 |
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| PID: | 20.500.12556/RUP-22358  |
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| UDC: | 796.01 |
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| ISSN on article: | 1318-2269 |
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| DOI: | 10.52165/kinsi.31.3.170-181 |
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| COBISS.SI-ID: | 263232771 |
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| Publication date in RUP: | 30.12.2025 |
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| Views: | 43 |
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| Downloads: | 0 |
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