The Centers for Disease Control
<span>Deltoid, gluteus medius, rectus femoris, vastus lateralis. Most used are Vastus lateralis and rectus femoris in infants b/c of poorly developed gluteus muscles.</span>
The Swiss developmental psychologist Jean Piaget used the term assimilation to explain the process in which people understand an experience in terms of their current stage of cognitive development and way of thinking. Assimilation is included in the adaptation process and includes the learning of new information and incorporation of that new information into our existing knowledge.
