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Examination of lateral radiographs showed that the intervertebral spaces in the lumbar spines in the control group were well‐proportioned and the vertebral density homogeneous. In the sham group, the L 4–5 disc height was decreased and narrowed. In the loaded group, the L 4–5 intervertebral space was stenosed and distinct ossification accompanied by vertebral osteophytes was observed. (A) Control group. (B) Sham group. (C) Tension‐loaded group.
