Purpose: To analyze the relationship between mean propulsive velocity (MPV) of the bar and relative load (percentage of the 1-repetition maximum [%1RM]) in the bench-press (BP) exercise and to determine the relationship of power variables (ie, mean concentric power [MP], mean propulsive power [MPP], and peak power [PP]) in change-of-direction ability, linear sprint, and repeated-sprint ability. Methods: A total of 9 Spanish First Division wheelchair basketball players participated in the study. All participants performed an isoinertial BP test in free execution mode, a 505 change-of-direction ability test, linear sprint test (20 m), and repeated-sprint ability test. Results: A nearly perfect and inverse relationship was observed for the BP exercise between the %1RM and MPV (r = −.97, R2 = .945, P < .001). The maximum loads for MP, MPP, and PP were obtained between 48.1% and 59.4% of the 1RM. However, no significant correlations were observed between strength and wheelchair performance. Conclusions: Wheelchair basketball players with different functional impairments showed a nearly perfect and inverse relationship for the BP exercise between the %1RM and MPV; thus the MPV could be used to estimate the %1RM. This finding has important practical applications for velocity-based resistance training in that coaches would be able to prescribe and monitor training load. Conversely, the absence of association between BP performance and field tests might be due to other factors such as the wheelchair–user interface, trunk-muscle activity, or propulsion technique, apart from strength variables.
A pesar de que las acciones físicas que los jugadores de baloncesto en silla de ruedas (BSR) deben realizar en los partidos son acciones que implican múltiples cambios de dirección y acciones de esprint y cambio de dirección repetidos, en la actualidad no existe ningún trabajo científico que analice la reproducibilidad de distintos test de capacidad de cambio de dirección, esprines y cambios de dirección repetidos. Diecisiete jugadores (15 hombres y 2 mujeres; 25,9±9,7 años) pertenecientes a un equipo de BSR de Primera División Española participaron en este estudio. En la primera semana (Test), en dos sesiones distintas, se realizaron 5 test [Test 3-3-6, Test 505, Test Illinois, Test de Esprines Repetidos (RSA) y el test repetido Modified Agility Test (rMAT)], y una semana después se volvieron a repetir (re-Test). Los resultados de los test de capacidad de cambio de dirección mostraron altos valores de reproducibilidad (CCI>0,74; CV<3,82±2,62%; SEM<0,33). En cuanto al RSA, la reproducibilidad tanto en la media de las repeticiones como del mejor intento fue alta (CCI>0,90; CV<3,85±3,59%; SEM<0,04). Con respecto al rMAT, la media y la mejor repetición mostraron también una reproducibilidad alta (CCI>0,94; CV<2,18±1,73%; SEM=0,27). Sin embargo, el índice de fatiga (Sdec) no mostró buenos valores de reproducibilidad ni en el RSA ni en el rMAT. Todos los test presentaron altos valores de reproducibilidad, por lo que podrían ser utilizados por los entrenadores y preparadores físicos como herramienta para evaluar la evolución de la capacidad física en jugadores de BSR.
A pesar de que las acciones físicas que los jugadores de baloncesto en silla de ruedas (BSR) deben realizar en los partidos son acciones que implican múltiples cambios de dirección y acciones de esprint y cambio de dirección repetidos, en la actualidad no existe ningún trabajo científico que analice la reproducibilidad de distintos test de capacidad de cambio de dirección, esprines y cambios de dirección repetidos. Diecisiete jugadores (15 hombres y 2 mujeres; 25,9±9,7 años) pertenecientes a un equipo de BSR de Primera División Española participaron en este estudio. En la primera semana (Test), en dos sesiones distintas, se realizaron 5 test [Test 3-3-6, Test 505, Test Illinois, Test de Esprines Repetidos (RSA) y el test repetido Modified Agility Test (rMAT)], y una semana después se volvieron a repetir (re-Test). Los resultados de los test de capacidad de cambio de dirección mostraron altos valores de reproducibilidad (CCI>0,74; CV<3,82±2,62%; SEM<0,33). En cuanto al RSA, la reproducibilidad tanto en la media de las repeticiones como del mejor intento fue alta (CCI>0,90; CV<3,85±3,59%; SEM<0,04). Con respecto al rMAT, la media y la mejor repetición mostraron también una reproducibilidad alta (CCI>0,94; CV<2,18±1,73%; SEM=0,27). Sin embargo, el índice de fatiga (Sdec) no mostró buenos valores de reproducibilidad ni en el RSA ni en el rMAT. Todos los test presentaron altos valores de reproducibilidad, por lo que podrían ser utilizados por los entrenadores y preparadores físicos como herramienta para evaluar la evolución de la capacidad física en jugadores de BSR.
Performance in wheelchair basketball is determined by capabilities, such as strength and power. The study has two aims: first, to analyze the association between speed and acceleration variables (collected in the bench press (BP) exercise) and the distinct percentages of one-repetition maximum (1RM); second, to analyze the effect of a strength training protocol on wheelchair basketball (WB) players according to their functional impairments. Ten Spanish male WB players volunteered to participate in the study. The players did a pretest and posttest (1RM in bench press) with 6-week muscle strength intervention program. The results showed a high association between the %1RM and the mean propulsive velocity (MPV) and the maximum velocity (Vmax), both in the total of the participants, and in each separate group of athletes. After implementing the strength training program, both the players of the IWBF (International Wheelchair Basketball Federation) < 2.5 group and those of IWBF > 2.5 group improved their 1RM (p < 0.01, ES = 0.20 to 0.23). However, the program produced positive effects at submaximal intensities in the MPV reached with 30, 40, 70, and 80 kg and in time to maximum velocity (TVmax) with 30, 40, and 70 kg (ES = −3.24 to 1.32) only in players with greater functional impairments. The high association between %1RM and MPV and Vmax can allow for determination the %1RM of the WB players in the BP using the MPV and the Vmax. The training program was effective in improving 1RM in both groups, while improvements in submaximal values only occurred in the IWBF < 2.5 group.
The objectives of this study were to describe differentiated perceived training and match load (dRPE-L) of wheelchair basketball (WB) players during the whole season, to analyze the evolution of players’ physical condition changes during a full season and to analyze the association between dRPE-L and changes in physical condition during a full season. Nineteen Spanish Second Division WB players participated in this study. For a full season (10 months, 26 weeks), dRPE-L was assessed with the session-RPE method, separating respiratory (RPEres-L) and muscular (RPEmus-L) perceived load. The physical condition of the players was also assessed at four different times during the season (T1, T2, T3 and T4). The results showed a significantly higher total and average accumulated muscular RPE load (RPEmusTOT-L and RPEmusAVG-L) than total and average respiratory load (RPEresTOT-L and RPEresAVG-L) (p < 0.01; ES = 0.52–0.55). No significant changes were observed in the physical condition of the players at the different moments of the season. Moreover, a significant association was observed only between RPEresTOT-L and Repeated Sprint Ability standard deviation of 3 m (RSAsdec3m) (r = 0.90, p < 0.05). The results suggest that the competitive season represented considerable neuromuscular involvement in these players.
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.
hi@scite.ai
10624 S. Eastern Ave., Ste. A-614
Henderson, NV 89052, USA
Copyright © 2024 scite LLC. All rights reserved.
Made with 💙 for researchers
Part of the Research Solutions Family.