Study on the Strength Characteristics in Suzhou Juvenile Athletes;

To study the effective treatments for sports anemia of juvenile athletes,32 juvenile athletes suffering from sports anemia were randomly divided into three groups :diet intervention iron supplementation group?intermittent iron supplementation group and control group.

An interview was conducted among 135 juvenile athletes in Shand ong province,including basic nutrition knowledge,sports nutrition knowledge,diet etic behavior and cognitive attitude.

The competitive sports of speed skating in China has the limitation of training management system and development strategy, which results in some obvious problems such as the child skaters premature performance and overtraining, low eligible proportion, advantage in short distance event, disadvantage in long distance event, low level as a whole.

John Dewey and Child Study Movement in America;

The child study movement in America,happening at the end of the nineteenth century,involved many social powers,which brought great influence to American education,psychology and sociology.

Child Study Movement refers to the movement featured by the study of children in Europe and America the end of the 19th century and the beginning of the 20th century.