Lower back pain is common primarily because the lumbar spine bears most of our body weight, leading to stress and potential injury. Other options provided do not accurately address the primary reason for this pain. Understanding this can help in prevention and treatment of lumbar issues. ;
The correct answer is B: the lumbar spine bears most of our body weight, making it susceptible to pain from stress and injuries. This region supports daily activities and experiences considerable strain. Understanding the mechanics of the lumbar spine can help prevent and address lower back pain.
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