Results: There are significant difference between the lower prosthesis patients and volunteers in 1ng, deg, Mx, pow1, pow2, pew3 and eng with eyes open, and in 1ng, env.

• 闭眼时1ng， env，area， deg， dx， dy， pow1， pew3和eng有极显著意义，Mx和pow2有显著意义，而My无显著意义；