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.
Smooth muscle. -non-striated-involuntary muscle innervated by ANS-Short, spindle shaped-Single centered nucleus-No organization(no striations) -responds to Ach & norepin-one contracts other may relax-slower contraction that skeletal muscle (holds its contraction longer too).