In hyperactive children the arms must first be restrained by holding them tight in our hands. Montessori Elementary Materials Maria Montessori We must stimulate the apathetic and the sluggish; we must moderate the hyperactive; we must correct paresis, tics, etc.
Isotonic contractions are those which cause the muscle to change length as it contracts causing movement. There are two types of isotonic contraction: -. Concentric. A concentric contraction is a type of muscle contraction in which the muscles shorten while generating force.
Isotonic muscle contractions are the common muscle contractions that enable people (and other animals) to move about generally. There are two types of isotonic muscle contraction: 1  Concentric muscle contraction, and.  Eccentric muscle contraction.