Back pain and lack of strength are common for the following reasons: 1, muscle strain: prolonged over-exercise or heavy physical labor can lead to serious strain on the back muscles, there will be back pain and weakness clinical symptoms, the pain symptoms will gradually ease when pressed, through hot compresses and massage treatment can make clinical symptoms reduced. 2, trauma: such as muscle strains or rib fractures, scapula fractures, spinal fractures The back pain, accompanied by muscle stiffness and weakness, can be caused by an X-ray or CT scan. The presence of pain and weakness in the back must be taken seriously, and early diagnosis and treatment can bring about rapid relief of clinical symptoms. Patients should usually strengthen back muscle training and avoid overexertion and local trauma to prevent the recurrence of pain symptoms and weakness symptoms.