Strength and Power Qualities Are Highly Associated With Punching Impact in Elite Amateur Boxers

Abstract

This study investigated the relationship between punching impact and selected strength and power variables in 15 amateur boxers from the Brazilian National Team (9 men and 6 women). Punching impact was assessed in the following conditions: 3 jabs starting from the standardized position, 3 crosses starting from the standardized position, 3 jabs starting from a self-selected position, and 3 crosses starting from a self-selected position. For punching tests, a force platform (1.02 × 0.76 m) covered by a body shield was mounted on the wall at a height of 1 m, perpendicular to the floor. The selected strength and power variables were vertical jump height (in squat jump and countermovement jump), mean propulsive power in the jump squat, bench press (BP), and bench throw, maximum isometric force in squat and BP, and rate of force development in the squat and BP. Sex and position main effects were observed, with higher impact for males compared with females (p ≤ 0.05) and the self-selected distance resulting in higher impact in the jab technique compared with the fixed distance (p ≤ 0.05). Finally, the correlations between strength/power variables and punching impact indices ranged between 0.67 and 0.85. Because of the strong associations between punching impact and strength/power variables (e.g., lower limb muscle power), this study provides important information for coaches to specifically design better training strategies to improve punching impact.

Neuromuscular Screening to predict young fencers’ performance

“…In combat sports, jumping performance can explain approximately 75% of the variance in punching forces, highlighting the importance of legs' contribution in the explosive extension of the arm to the target (12). The results of the present study expand our knowledge from previous fencing studies of Tsolakis and vagenas (25) and Turner et al (28), giving important information to coaches of a large number of different strength abilities to be trained so as to build the optimal neuromuscular profile for this age group.…”

40 anos da Pós-graduação da EEFE-USP: contribuições para o avanço do conhecimento em Treinamento Esportivo

“…Inúmeros trabalhos foram desenvolvidos sobre esta temática, especialmente nas duas últimas décadas, com destaque para investigações sobre a estrutura temporal e fatores discriminantes de desempenho no boxe [90][91][92] , na esgrima 93 , no judô [94][95][96][97][98][99] , no karatê [100][101][102] , na luta olímpica 103 e no taekwondo 104 . Além destas potenciais aplicações, o conhecimento gerado a partir da análise técnica, tática e de estrutura temporal, juntamente com aquele oriundo de investigações sobre a demanda energética da luta, tem permitido a elaboração de processos de avaliação mais especí cos. Neste contexto, vale destacar o processo de avaliação física de atletas do boxe 105 , da esgrima 106 , do judô [107][108] -incluindo atletas paralímpicos 109 , do karatê [110][111][112][113][114] e do taekwondo [115][116] , com utilização de testes especí cos -inclusive com a elaboração de tabelas classi catórias [117][118] e análise discriminante entre diferentes testes 119 e/ou em situações especí cas das diferentes modalidades [120][121][122] . A compreensão de como treinam os atletas que participaram dos Jogos Olímpicos 123 , de quais competições participam durante o processo de quali cação para esta, com determinação da importância relativa quanto ao posicionamento em "rankings" internacionais [124][125][126] e do intervalo ideal entre estas competições para a maximização do desemp...…”

Mechanical Differences between Barbell and Body Optimum Power Loads in the Jump Squat Exercise

“…Accordingly, Sanchez-Medina et al (2010) demonstrated that the mechanical values collected during the propulsive phase of a lift better reflected the differences in neuromuscular performance between two given individuals. In fact, JS MPP has been shown to be highly correlated with specific performance in athletes from distinct sports (Loturco et al, 2014, 2015a, 2016a). Additionally, it has been shown that training at the optimum load produces greater performance improvements than traditional strength training and reduces the speed-power decrements that usually occur during soccer preseasons (Loturco et al, 2015d, 2016b).…”