Neuromuscular control and hop performance in youth and adult male and female football players |
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Institution: | 1. Unit of Physiotherapy, Department of Health, Medicine and Caring Sciences, Linköping University, Linköping, Sweden;2. Sport Without Injury ProgrammE (SWIPE), Department of Health, Medicine and Caring Sciences, Linköping University, Linköping, Sweden;3. Stockholm Sports Trauma Research Center, Dept of Molecular Medicine & Surgery, Karolinska Institute, Sweden;4. Region Jönköping County, Rehabilitation Centre, Ryhov County Hospital, 551 85, Jönköping, Sweden |
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Abstract: | ObjectivesTo compare neuromuscular control and hop performance between youth and adult male and female football players.DesignCross-sectional study.Participants119 youth players (13–16 years; 68 males) and 88 adult players (17–26 years; 44 males).Main outcome measuresNeuromuscular control assessed with drop vertical jump (DVJ) and tuck jump assessment (TJA). Hop performance assessed with single-leg hop for distance and side hop.ResultsAdult females had smaller normalized knee separation distances (NKSD) during DVJ at initial contact (77.9 ± 18.5 vs. 86.1 ± 11.0, p = 0.010) and at maximum knee flexion (59.7 ± 23.4 vs.74.1 ± 18.1, p = 0.001) compared to youth females. TJA revealed more technique errors in youths compared to adults (males 10 (8–11) vs. 8 (7–10); females 11 (9–12) vs. 9 (8–11), p < 0.05). Youths demonstrated inferior hop performance (males single-leg hop 142 ± 18 vs. 163 ± 17, side hop 41 ± 12 vs. 52 ± 12, p < 0.001; females side hop 32 ± 10 vs. 38 ± 14, p < 0.05).ConclusionsYouth players demonstrated reduced neuromuscular control during TJA and inferior hop performance compared to adult players. Adult female players demonstrated greater knee valgus during DVJ compared to youth female players. |
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Keywords: | Drop vertical jump Tuck jump Soccer |
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