In order to solve the shortened life of rails in use due to side wear on curves with small radius, rails on curved line are re-used through changing sides by engineering technicans in practice and good results are obtained.

Objective To analyze electromyographic (EMG) activities of vastus medialis obliquus (VMO) and vastus lateralis (VL) in patients with patellofemoral pain syndrome (PFPS) before and after an exercise program.

The findings of these studies revealed the mechanical role of the vastus medialis obliquus(VMO) in controlling pressure distribution of the patellofemoral joint, the influence of lower limb positioning on VMO fac.

High cutaneous artery branches and blood supply types of the anterolateral thigh flap: a farther anatomic study;

The number, course, distribution and type of high cutaneous perforating arteries of anterolateral thigh area were observed and photographed by X-ray.