下周，请继续关注第二部分，将为你介绍另外三节肩膀和背部运动。
Next week, watch for part 2, with 3 more easy exercises for shoulders and back.
翻身，背部做同样的运动。
缺乏运动和使用次数是原因之一背部疼痛！
Lack of movement and use is the number one cause of back pain!
这种运动旨在锻炼肩部和背部肌肉。
This exercise is designed to develop the shoulder and back muscles.
如果你的背部有问题，就应该挑一些运动量小的锻炼方式。
If you have a back problem, you should pick a light exercise.
我在大学运动时伤了我的背部。
实现它：重心、背部和肩膀练习有助于保持运动平衡。
Make it happen: Core, back, and shoulder work will help you stay upright.
实现它：重心、背部和肩膀练习有助于保持运动平衡。
Make it happen: Core, back, and shoulder work will help you stay upright.
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