双臂屈伸是利用双杠进行的一种克服自身体重的力量练习,它的动作方法简单易学、便于操作,学生在课上和课间都可以练习。此练习能提高练习者的上肢力量,特别是对增加胸肌、三角肌、肱二头肌和肱三头肌的体积效果明显,对男生塑造倒三角的健美体型效果显著,是省时、省钱、有效的“塑身”练习。 Stretching arms and arms with parallel bars is a kind of exercise that overcomes one’s own weight with parallel bars. Its movement method is easy to learn and easy to operate. Students can practice both in class and in class. This exercise can improve the practitioner’s upper limb strength, especially for increasing the volume of the chest, deltoid, biceps and triceps obvious effect on male body shaping the inverted triangle bodybuilding effect is significant, saving time and money , Effective “body sculpting ” exercise.