According to Wikipedia, the online encyclopedia, Yin and Yang are “opposite contrary forces that are actually complementary, interconnected, and interdependent as they interrelate to one another.” “Dynamic” and “static” have these similar properties as we apply them to seating. The definition of “dynamic” is “of or concerned with energy or forces that produce motion,” as opposed to static, which affects development or stability (Dictionary.com). For seating we’ll use the word stable. For example, stabilize the pelvis to allow the user to engage in a dynamic or functional activity.

Read more of this article by Dee Dee Freney, OTR/L, ATP and Keith Schwartz, MA, ATP as published in NRRTS Directions, 2015, Vol. 4, Clinical Corner feature.