Standing is one of the "human positions" according to Wikipedia. For some individuals with special needs, standing is not possible without the use of adaptive equipment called Standers. There are many physiological, social, and emotional benefits to the standing position. OttoBock, in partnership with Leckey has developed a great visual and descriptive tool to outline some of the most important benefits.
Regulates wake and sleep cycles
Helps the digestion process
Forms the hip joint in early development
Provides pressure relief to the buttocks instead of sitting all of the time
Promotes bone density
Provides a long-term stretch on leg muscles that get tight with prolonged sitting