Kassiano Witalo, Costa Bruna, Kunevaliki Gabriel, Lisboa Felipe, Stavinski Natã, Prado Aline, Tricoli Ian, Francsuel Jarlisson, Lima Luis, Nunes JoãoPedro, Ribeiro Alex Silva, Cyrino Edilson S
Metabolism, Nutrition and Exercise Laboratory, State University of Londrina, Londrina, Paraná, Brazil.
Paraná State University, Paranavaí, Paraná, Brazil.
Int J Sports Med. 2025 May;46(5):334-343. doi: 10.1055/a-2517-0509. Epub 2025 Jan 14.
We compared performing preacher and incline biceps curls on changes in elbow flexor muscle size and strength. This was a between-group repeated measure randomized trial. Sixty-three young women performed the preacher biceps curl (=30) or the incline biceps curl (=33) for 8 weeks, twice a week. We measured the muscle thickness of elbow flexors at the proximal, middle, and distal sites. We assessed the muscle strength using three repetition maximum tests in the preacher curl and the incline curl. We observed a greater increase in the proximal elbow flexor thickness in the incline biceps curl compared to the preacher biceps curl (mean difference=0.08 cm [95% confidence interval: 0.02, 0.13 cm]). We observed a greater increase in the distal elbow flexor thickness in the preacher biceps curl compared to the incline biceps curl (mean difference=0.10 cm [95%CI: 0.04, 0.15 cm]). The preacher biceps curl showed a greater increase in three repetition maximum tests in the preacher curl (mean difference=1.88 kg [95%CI: 1.14, 2.62 kg]). The incline biceps curl showed a greater increase in three repetition maximum tests in the incline biceps curl (mean difference=0.86 kg [95%CI: 0.10, 1.62 kg]). Our findings suggest regional differences in muscle growth induced by the preacher and incline biceps curls. Strength gains appear to follow the principle of specificity.
我们比较了牧师椅弯举和斜托弯举对肱二头肌肌肉大小和力量变化的影响。这是一项组间重复测量随机试验。63名年轻女性进行了8周的牧师椅弯举（n = 30）或斜托弯举（n = 33），每周两次。我们测量了肱二头肌在近端、中部和远端部位的肌肉厚度。我们通过牧师椅弯举和斜托弯举的三次重复最大值测试来评估肌肉力量。我们观察到，与牧师椅弯举相比，斜托弯举使近端肱二头肌厚度增加更多（平均差异 = 0.08厘米 [95%置信区间：0.02, 0.13厘米]）。我们观察到，与斜托弯举相比，牧师椅弯举使远端肱二头肌厚度增加更多（平均差异 = 0.10厘米 [95%置信区间：0.04, 0.15厘米]）。牧师椅弯举在牧师椅弯举的三次重复最大值测试中显示出更大的增加幅度（平均差异 = 1.88千克 [95%置信区间：1.14, 2.62千克]）。斜托弯举在斜托弯举的三次重复最大值测试中显示出更大的增加幅度（平均差异 = 0.86千克 [95%置信区间：0.10, 1.62千克]）。我们的研究结果表明，牧师椅弯举和斜托弯举引起的肌肉生长存在区域差异。力量的增加似乎遵循特异性原则。
