To the question of parametric identity of physiological tremor of hands in boys and girls of the age 9-10

The period of the second childhood, which is characterized by the formation of the central nervous system functions as a complex of control for the locomotor apparatus, has a number of sexual peculiarities. "Natural" differences are seen, in particular, in voluntary locomotor activity connected to an expression of muscular strength of arms and speed of motor reactions, better carried out by boys. Involuntary movements of arms in the form of physiological tremor are caused, in greater degree, by functions of extrapyramidal control system and do not show sexual differences by basic (amplitude-frequency) parameters.