Tromaras Konstantinos, Zaras Nikolaos, Stasinaki Angeliki-Nikoletta, Mpampoulis Thomas, Terzis Gerasimos
Sports Performance Laboratory, School of Physical Education and Sport Science, National and Kapodistrian University of Athens, 11527 Athens, Greece.
Department of Physical Education and Sports Sciences, Democritus University of Thrace, 69100 Komotini, Greece.
J Funct Morphol Kinesiol. 2024 May 22;9(2):89. doi: 10.3390/jfmk9020089.
Lean body mass (LBM) is correlated with powerlifting performance in athletes competing in different bodyweight classes. However, it remains unknown whether changes in LBM are correlated with performance changes in powerlifters preparing for a competition. The aim of this study was to investigate the changes in LBM and performance in powerlifters preparing for a competition. Eight male powerlifters (age 31.7 ± 9.8 years, height 1.77 ± 0.06 m, weight 99.2 ± 14.6 kg) and three female powerlifters (age 32.7 ± 16.3 years, height 1.54 ± 0.06 m, weight 66.6 ± 20.9 kg) participated in the study. The athletes followed individualized periodized training programs for 12 weeks, aiming to maximize their performance for the national championship. The maximum strength (1-RM) in the squat, bench press, and deadlift, body composition, handgrip strength, anaerobic power, quadriceps' cross-sectional area and vastus lateralis muscle architecture were measured before and after the training period. Significant increases were found after the training period in the squat (5.8 ± 7.0%, < 0.05), bench press (4.9 ± 9.8%, = 0.05) and deadlift (8.3 ± 16.7%, < 0.05). Significant correlations were found between the 1-RM and LBM before and after the training period (r > 0.75, < 0.05). The changes in the 1-RM after the training intervention correlated with the changes in the total LBM ( < 0.05). These results suggest that individual changes in LBM due to systematic resistance training for a competition may dictate increases in the 1-RM strength in powerlifters.
瘦体重（LBM）与参加不同体重级别的运动员的力量举成绩相关。然而，在为比赛做准备的力量举运动员中，LBM的变化是否与成绩变化相关仍不清楚。本研究的目的是调查为比赛做准备的力量举运动员的LBM和成绩变化。八名男性力量举运动员（年龄31.7±9.8岁，身高1.77±0.06米，体重99.2±14.6千克）和三名女性力量举运动员（年龄32.7±16.3岁，身高1.54±0.06米，体重66.6±20.9千克）参与了该研究。运动员们遵循个性化的周期训练计划12周，旨在为全国锦标赛最大化他们的成绩。在训练期前后测量了深蹲、卧推和硬拉的最大力量（1-RM）、身体成分、握力、无氧功率、股四头肌横截面积和股外侧肌结构。训练期后，深蹲（5.8±7.0%，<0.05）、卧推（4.9±9.8%，=0.05）和硬拉（8.3±16.7%，<0.05）有显著增加。训练期前后1-RM与LBM之间存在显著相关性（r>0.75，<0.05）。训练干预后1-RM的变化与总LBM的变化相关（<0.05）。这些结果表明，由于为比赛进行系统的阻力训练导致的LBM个体变化可能决定力量举运动员1-RM力量的增加。
