It is chronic back or leg pain that happens after back surgery.
这是慢性背部或腿部疼痛，背部手术后发生的。
There are two main forms of lower back pain: acute and chronic.
下背部的疼痛发主要有两种类型：急性和慢性。
It is a also common factor in lower back pain and other chronic painful conditions.
它还常见于腰痛或其他的慢性疼痛。
Back pain is one of the common conditions with chronic pain.
背部疼痛为一种常见的慢性疼痛疾病。
For chronic low back pain, current guidelines state that exercise therapy may be beneficial.
现行的指南认为运动疗法可能有助于慢性腰背痛有的治疗。
Chronic lower back pain is common.
慢性下背痛极为常见。
Chronic lower back pain is common.
慢性下背痛极为常见。
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