Conclusion Back pain in pilots has been a serious public heath problem. More attention should be paid to it and prevention research must be strengthened.

结论腰背痛已成为影响飞行员健康的一个不容忽视的公共卫生问题，应及时开展该病的预防研究。

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Objective To explore the effect and prevention of truck muscle strength training and stretch on patients with chronic low back pain.

目的探讨躯干肌肌力训练与牵伸对慢性腰痛患者的疗效和预防其复发的效果。

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