A deformity of the back in human beings caused by an abnormal convex curvature of the upper spine.
A deformity of the back in human beings caused by an abnormal convex curvature of the upper spine.
驼背人类背部的变形，由脊柱上部不正常的弯曲凸起造成
A deformity of the back in human beings caused by an abnormal convex curvature of the upper spine.
驼背人类背部的变形，由脊柱上部不正常的弯曲凸起造成