This study examined longitudinal changes in the estimation VO2max (eVO2max) and VIFT in 12 Belgian professional soccer players across three consecutive seasons (2022/23-2024/25) and explored potential age-related effects. eVO2max and VIFT were assessed using the 30-15 Intermittent Fitness Test (30-15 IFT). A linear mixed model (random intercept for player) showed a trend towards a season effect for VIFT (
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| All Time | Past 365 days | Past 30 Days | |
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This study examined longitudinal changes in the estimation VO2max (eVO2max) and VIFT in 12 Belgian professional soccer players across three consecutive seasons (2022/23-2024/25) and explored potential age-related effects. eVO2max and VIFT were assessed using the 30-15 Intermittent Fitness Test (30-15 IFT). A linear mixed model (random intercept for player) showed a trend towards a season effect for VIFT (
| All Time | Past 365 days | Past 30 Days | |
|---|---|---|---|
| Abstract Views | 118 | 118 | 50 |
| Full Text Views | 6 | 6 | 4 |
| PDF Views & Downloads | 14 | 14 | 8 |