Rugby league is a team collision sport that is intermittent in nature with frequent bouts of high- intensity activities (e.g., wrestling, tackling, and sprinting) separated by bouts of low intensity (e.g., jogging and walking) (8). Because of the nature of these activities, rugby league players require well-developed aerobic fitness, repeated sprint ability, speed, agility, muscular strength, and power to compete at the highest level (13). With respect to muscular strength and power, there is evidence to suggest that stronger and more powerful players are more likely to access higher divisions of play than their weaker counterparts (2). Furthermore, significant correlations between tackling ability and bench press strength (r = 0.72) and peak power during the plyometric push-up exercise (r = 0.70) have been reported in first-grade semi- professional rugby league players (23). Upper-body strength may also partially contribute to future career attainment as suggested by the large differences in absolute bench press strength observed between professional and academy rugby league players (24). Moreover, upper-body strength has also been shown to discriminate between selected and nonselected players, with players selected to compete in the first game of the season exhibiting higher relative bench press strength than the nonselected players (9). Finally, smaller increases in blood creatine kinase have been reported 24 hours postgame in subelite youth rugby league players displaying greater bench press strength, suggesting that a higher upper-body strength level is associated with reduced postgame fatigue (14). Collectively, these findings highlight the importance of developing high levels of upper body strength and power in rugby league players.A variety of resistance training methods are used in the strength and conditioning setting to improve muscular
Rugby league is a team collision sport that is intermittent in nature with frequent bouts of high- intensity activities (e.g., wrestling, tackling, and sprinting) separated by bouts of low intensity (e.g., jogging and walking) (8). Because of the nature of these activities, rugby league players require well-developed aerobic fitness, repeated sprint ability, speed, agility, muscular strength, and power to compete at the highest level (13). With respect to muscular strength and power, there is evidence to suggest that stronger and more powerful players are more likely to access higher divisions of play than their weaker counterparts (2). Furthermore, significant correlations between tackling ability and bench press strength (r = 0.72) and peak power during the plyometric push-up exercise (r = 0.70) have been reported in first-grade semi- professional rugby league players (23). Upper-body strength may also partially contribute to future career attainment as suggested by the large differences in absolute bench press strength observed between professional and academy rugby league players (24). Moreover, upper-body strength has also been shown to discriminate between selected and nonselected players, with players selected to compete in the first game of the season exhibiting higher relative bench press strength than the nonselected players (9). Finally, smaller increases in blood creatine kinase have been reported 24 hours postgame in subelite youth rugby league players displaying greater bench press strength, suggesting that a higher upper-body strength level is associated with reduced postgame fatigue (14). Collectively, these findings highlight the importance of developing high levels of upper body strength and power in rugby league players.<br>多種阻力訓練方法在力量和體能設置用於改善肌肉
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