RESEARCH ON THE DEVELOPMENT OF ARM AND LEG MQVING RESPONSE OF CHINESE YOUNGSTERS AND YOUTH
青少年儿童四肢协调反应特征发展特点的研究

Research was made on the developmental characteristics of the harmoniousresponse of arm and leg movement of 1004 Chinese youngsters by cross-sectio-nal method. The result shows that the speed of the moving response improvedfrom 7 years old till 15, fluctuating from 15 years old till 22. The accuracyof the response improving,obviously from 7 years old till 11, fluctuating from12 to 22. Under the effect of gymnastic training, the development of theresponse speede up from 9 years old till 12, while the fluctuation of the de-velopment from 12 years old till 22 decreased.