To the Editor:Recent studies have shown that the morphology of bone in vivo,including the shape,diameter,length,curve,and alignment of the bone,adapt to longterm loads both before and after skeletal maturity.The defor...To the Editor:Recent studies have shown that the morphology of bone in vivo,including the shape,diameter,length,curve,and alignment of the bone,adapt to longterm loads both before and after skeletal maturity.The deformation and rate are different according to the magnitude of strain,the mode of action,position and the quality of bone of the strain,which is named by law of dynamic deformation of bone.[1]Here,we found that the existence of circular bone trabecula in the calcaneus by P45 plastination technology.It might be caused by the force conduction to the flexor digitorum brevis during the contraction of the triceps surae according to this law.展开更多
文摘To the Editor:Recent studies have shown that the morphology of bone in vivo,including the shape,diameter,length,curve,and alignment of the bone,adapt to longterm loads both before and after skeletal maturity.The deformation and rate are different according to the magnitude of strain,the mode of action,position and the quality of bone of the strain,which is named by law of dynamic deformation of bone.[1]Here,we found that the existence of circular bone trabecula in the calcaneus by P45 plastination technology.It might be caused by the force conduction to the flexor digitorum brevis during the contraction of the triceps surae according to this law.