UNASSIGNED: Forty DIII Football players (age range: 18-25 years) participated in a 3-week UL bilateral back squat (BBS) program. Both groups performed the BBS 3 times per week with a minimum of 24 hours between exercise sessions. The control group (C) (n = 20) (height = 182.3 + 5.1 cm, body mass: pre = 102.8 ± 17.7 kg, post = 104.1 ± 17.8 kg) used traditional loading methods (i.e., Olympic weights only) and the experimental group (E) (n = 20) (height = 180.7 ± 8.0 cm, body mass: pre = 100.3 ± 27.1 kg, post = 101.0 ± 27.7 kg) used traditional loading methods and variable resistance (i.e., resistance bands). The variable resistance accounted for approximately 20% of the total resistance while 80% of the resistance was supplied by traditional loading methods.
UNASSIGNED: When all data was pooled, subjects had a significant increase (p < 0.05) in 1-RM BBS from pre (154.2 + 26.1 kg) to post (166.8 + 26.2 kg), with a percent increase of 8.13% at the completion of the 3-week training program. There was no significant difference (p > 0.05) between the C and E groups for muscular strength, muscular power, or vertical jump. Volume-loads were not significantly (p > 0.05) different between groups for any of the weeks (C: Week 1 = 858.1 + 101.3, Week 2 = 588.6 + 69.2, Week 3 = 332.5 + 38.9, Total = 1179.2 + 209.4 vs. E: Week 1 = 835.2 + 179.7, Week 2 = 572.2 + 123.4, Week 3 = 323.5 + 68.8, Total = 1730.9 + 371.8) or for the pre-season as a whole.
UNASSIGNED: A traditional UL resistance training program and training program with variable resistance are both effective methods at increasing back squat strength during 3 weeks of training. Resistance band variable resistance (VR) does not enhance training effects within a 3-week mesocycle greater than traditional resistance.
■40名DIII足球运动员(年龄范围:18-25岁)参加了为期3周的UL双边后深蹲(BBS)计划。两组每周进行BBS3次,每次锻炼之间至少24小时。对照组(C)(n=20)(身高=182.3±5.1cm,体重:pre=102.8±17.7kg,post=104.1±17.8kg)使用传统的加载方法(即仅奥运体重)和实验组(E)(n=20)(身高=180.7±8.0cm,体重:pre=100.3±27.1kg,post=101.0±27.7kg)使用传统的加载方法和可变电阻(即,阻力带)。可变电阻约占总电阻的20%,而80%的电阻由传统加载方法提供。
■当所有数据被汇集时,受试者在1-RMBBS中从前(154.2+26.1kg)到后(166.8+26.2kg)显着增加(p<0.05),在完成为期3周的培训计划时,增长了8.13%。C组和E组肌力无显著性差异(p>0.05),肌肉力量,或垂直跳跃。在任何一周中,两组之间的体积负荷均无显着差异(p>0.05)(C:第1周=858.1101.3,第2周=588.669.2,第3周=332.538.9,总计=1179.2209.4vs.E:第1周=835.2179.7,第2周=572.2123.4,第3周=323.568.8,总计=1730.9371.8)或整个季前赛。
■传统的UL阻力训练计划和具有可变阻力的训练计划都是在3周训练中增加后蹲强度的有效方法。阻力带可变阻力(VR)在大于传统阻力的3周中环内不会增强训练效果。