The Effects of NCAA Division 1 Intercollegiate Competitive Tennis Match Play on Recovery of Physical Performance in Women

Kraemer, William J.; Piorkowski, P. A.; Bush, Jill A.; Gómez, Ana L.; Loebel, C. C.; Volek, Jeff S.; Newton, Robert U.; Mazzetti, Scott A.; Etzweiler, S. W.; Putukian, Margot; Sebastianelli, Wayne J.

doi:10.1519/00124278-200008000-00005

Cited by 11 publications

(15 citation statements)

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“…The decrement was associated with a significant reduction in VA during the sustained, but not the brief, contraction. This decrease in VA and the accompanied reduction in torque may relate to the persistent perception of psychological and physical fatigue,36 37 especially considering the return to baseline of contractile properties. Our findings, therefore, suggest that a certain level of mental fatigue may persist in the recovery period after play in the heat, whereby a sustained maximal isometric effort might be more difficult to reproduce with a large muscle mass high in fast-twitch fibres, such as the KE 37.…”

Section: Discussionmentioning

confidence: 99%

Neuromuscular adjustments of the knee extensors and plantar flexors following match-play tennis in the heat

2014

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ObjectivesThis study tested the hypothesis that impairments in lower limb maximal strength and voluntary activation (VA) are exacerbated following match-play tennis in hot compared with cool conditions.MethodsTorque and VA were evaluated during brief (5 s) and sustained (20 s) maximal voluntary isometric contractions of the knee extensors (KE) and plantar flexors (PF) in 12 male tennis players before (pre) and after (post, 24 h and 48 h) ∼115 min of play in hot (∼37°C) and cool (∼22°C) conditions.ResultsRectal temperature was higher following play in hot than in cool (∼39.2 vs ∼38.5°C; p<0.05). Torque production decreased from prematch to postmatch during the brief and sustained contractions in hot (KE: ∼22%; PF: ∼13%) and cool (KE: ∼9%, PF: ∼7%) (p<0.05). KE strength losses in hot were greater than in cool (p<0.05) and persisted for 24 h (p<0.05). Postmatch brief and sustained KE VA was lower in hot than in cool (p<0.05), in which VA was maintained. PF VA was maintained throughout the protocol. Peak twitch torque and maximum rates of torque development and relaxation in the KE and PF were equally reduced postmatch relative to prematch in hot and cool conditions (p<0.05), and were restored near baseline within 24 h.ConclusionsNeuromuscular system integrity of the lower limbs is compromised immediately following match-play tennis in hot and cool conditions due to the development of peripheral fatigue. The larger and persistent KE strength losses observed under heat stress are associated with greater levels of central fatigue especially during sustained contractions.

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Section: Discussionmentioning

confidence: 99%

Neuromuscular adjustments of the knee extensors and plantar flexors following match-play tennis in the heat

2014

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“…El valor de correlación Pearson (0,98) entre los datos del radar y los del análisis fotogramétrico, unido al bajo coeficiente de variación, muestra la validez de la medida registrada con el radar. Estos valores de correlación son similares a los encontrados en estudios previos en otros deportes: saque en tenis (Kraemer et al, 2000), y lanzamiento del pitcher en béisbol (De-Renne et al, 1990). Además, la regresión lineal que indica que el 96% de los casos obtenidos se ajustan a la función lineal: Velocidad registrada por el Radar = 0,65+0,95* Velocidad registrada por ATD.…”

Section: Discussionunclassified

Validez y fiabilidad del radar para el control de la velocidad del remate en voleibol. (Validity and reliability of radar to spike speed control in volleyball)

Cerrato¹,

Andrés²,

Marzo³

et al. 2007

CCD

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Fecha de recepción: Enero 2007 • Fecha de aceptación: Junio 2007 RESUMENEl presente trabajo se enmarca en el proceso de dar validez y fiabilidad a un protocolo de test que sirva para el control de la velocidad del remate a nivel de entrenamiento e investigación. El trabajo tiene dos objetivos: a) comprobar la validez del radar al registrar la velocidad del balón en el remate, y b) establecer la distancia de ubicación del radar respecto a la red, que permita obtener datos fiables de la velocidad máxima del balón en el remate. Se realizó un doble estudio para conseguir los objetivos de la investigación. Veinticuatro jugadoras de superliga participaron en el primer estudio, y cuatro jugadoras de superliga participaron en el segundo estudio. En el primer estudio, la velocidad del balón en el remate se midió con el radar y con análisis fotogramétrico a partir de la filmación realizada. Los datos obtenidos muestran una correlación de 0,98 entre los registros tomados por el radar y los obtenidos del análisis fotogramétrico. En el segundo estudio, el radar se ubicó a cuatro, cinco, seis y siete metros de distancia de la red para registrar las velocidades imprimidas al balón en la ejecución del remate. Los resultados obtenidos muestran que la ubicación ideal del radar para registrar la velocidad del remate debe ser a una distancia de 5 metros de la red. Esta ubicación fue la que presentó mayor estabilidad de los registros, medias de velocidades más altas y menor coeficiente de variación. ABSTRACTThe present study is one step in establishing of validity and reliability of way of doing the measurement of the speed ball in practice and research studies. The purpose of this study was double: 1) to check the reliability of the speed registration and 2) to establish the adequate localization of the radar with respect to the net. A double study was done to achieve the objectives of the study. Twenty-four female players from professional Spanish first division participated in the first study and four female players from professional Spanish first division participated in the second study. In the first study, the ball speed was measured with a gun radar and a photogrametric analysis from the record done. The results obtained show a correlation of 0.98 between the data of the results that were obtained with the radar and the photometric analysis. In the second study, the radar was localized to four, five, six, and seven meters from the net. The results obtained show that the radar should be localized five meters from the net. This localization presented higher stabilization, higher speed average, and less coefficient of variation.

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“…Taking time off is important because it allows the body to recover physically and mentally (4,28). The most current studies indicate that 48-72 hours of recovery should be sufficient to allow the peripheral and central nervous system to return to baseline performance levels (16,33,51).…”

Section: Restmentioning

confidence: 99%

Preseason Strength and Conditioning for Collegiate Tennis Players

Wakeham

Jacobs

2009

Strength &Amp; Conditioning Journal

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The Effects of NCAA Division 1 Intercollegiate Competitive Tennis Match Play on Recovery of Physical Performance in Women

Cited by 11 publications

References 0 publications

Neuromuscular adjustments of the knee extensors and plantar flexors following match-play tennis in the heat

Neuromuscular adjustments of the knee extensors and plantar flexors following match-play tennis in the heat

Validez y fiabilidad del radar para el control de la velocidad del remate en voleibol. (Validity and reliability of radar to spike speed control in volleyball)

Preseason Strength and Conditioning for Collegiate Tennis Players

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