The cause of lower back pain may be one of these factors such as muscle strain, poor posture, lack of exercise or movement, and depression.

事业的下背痛可能是其中的一个因素，如肌肉拉伤，可怜的姿势，缺乏运动或运动，和抑郁症。

youdao

In tennis often appear some pain, such as: muscle strain, cramps, blisters, sprain, tenosynovitis, tennis elbow, rheumatoid arthritis, etc.

在网球运动中常常会出现一些伤痛，诸如：肌肉拉伤、抽筋、起水泡、扭伤、腱鞘炎、网球肘、风湿性关节炎等等。

youdao

As most of us spend more time using tablet devices such as an ipad or laptop computers, the risk for developing neck pain and muscle strain in the upper shoulders increases.

FORBES: Five Tips to Reduce Neck and Shoulder Pain When Using a Tablet or Computer