Title:
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Effects of maturation on lower limb neuromuscular asymmetries in elite youth tennis players
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Author:
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Madruga Parera, Marc; Romero Rodríguez, Daniel; Bishop, Chris; Beltran Valls, Maria Reyes; Latinjak, Alexander Tibor; Beato, Marco; Fort Vanmeerhaeghe, Azahara
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Other authors:
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Universitat Ramon Llull. Facultat de Ciències de la Salut Blanquerna |
Abstract:
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Neuromuscular asymmetries have been previously associated with reduced performance. Similarly, maturation has shown that youth athletes may experience a loss of motor control, which could also lead to compromised physical performance. The present study aimed to evaluate and quantify the level of asymmetry among chronological and maturational groups. Forty-one youth tennis players performed the single leg countermovement jump (SLCMJ), star excursion balance test (SEBT) and a change of direction speed (CODS) test. Differences were found between the strongest and weakest limbs across all tests (p < 0.001), and also for SEBT in the posteromedial direction (p = 0.02), SEBT composite score (p < 0.01) in maturation groups, and for SEBT posterolateral direction (p = 0.03) and SEBT composite score (p = 0.01) in chronological groups. The SLCMJ showed the largest inter-limb asymmetries for the circa peak height velocity (PHV) group (19.31 12.19%) and under-14 (U14) group (17.55 + 9.90%). Chronological and maturation groups followed similar trends for inter-limb asymmetries, but the biological index showed larger asymmetry scores in the jumping test at PHV compared to that found in the chronological group (U14). These results show that inter-limb differences may be heightened during PHV. Practitioners can use this information to inform the decision-making process when prescribing training interventions in youth tennis players. |
Publication date:
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2019-05 |
Subject (UDC):
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79 - Diversions. Espectacles. Cinema. Teatre. Dansa. Jocs. Esports |
Subject(s):
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Jugadors de tennis Cames Equilibri (Fisiologia) Lateralitat |
Rights:
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L'accés als continguts d'aquest document queda condicionat a l'acceptació de les condicions d'ús establertes per la següent llicència Creative Commons:http://creativecommons.org/licenses/by/4.0/
© L'autor/a |
Pages:
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9 p. |
Document type:
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Article Article - Published version |
DOI:
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http://dx.doi.org/10.3390/sports7050106
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Published by:
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MDPI
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Publish at:
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Sports, 2019, vol. 7, núm. 5
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