Effects of Maturation on Lower Limb Neuromuscular Asymmetries in Elite Youth Tennis Players
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Title
Effects of Maturation on Lower Limb Neuromuscular Asymmetries in Elite Youth Tennis PlayersAuthor (s)
Date
2019Publisher
MDPIISSN
2075-4663Bibliographic citation
Madruga-Parera, Marc, et al. "Effects of maturation on lower limb neuromuscular asymmetries in elite youth tennis players." Sports 7.5 (2019): 106Type
info:eu-repo/semantics/articlePublisher version
https://www.mdpi.com/2075-4663/7/5/106/htmVersion
info:eu-repo/semantics/publishedVersionSubject
Abstract
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 ... [+]
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. [-]
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Sports, 2019, vol. 7, núm. 5, p. 106Rights
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Except where otherwise noted, this item's license is described as © 2019 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).