上臂围 meaning in Chinese

biceps circumference
mac
uppeer arm
upper arm girth
upperarm circumference

The result shows that after training in body - building exercise for a semester , most girl students have lost their weights , and slimmed their waistlines , hiplines and thighs , and raised their vital capacity of lungs , and improved the powers of their limbs and lumbar muscles , while the training in badminton exercise affects less their shapes and mechanisms of the bodies , but effectively improved the powers of their lower limbs and lumbar muscles
结果表明：经过一个学期的锻炼，健美操练习能有效降低女大学生体重，减小腰围、上臂围、大腿围，有效提高肺活量，发展上、下肢和腰腹肌力量；羽毛球练习对练习者身体形态、机能影响均不显著，但能有效发展女大学生下肢及腰腹肌力量。