Chair

: Designers now consider how chair arrangements can influence learning and student behavior, moving away from the "coercive" fixed rows of the 19th century. The Science and Health of Seating

Modern chair design is a blend of artistry and engineering. We now have highly specialized chairs for every facet of life: : Designers now consider how chair arrangements can

: Historically, writing armchairs featured a wooden tablet on the right arm to hold implements, a precursor to the modern school desk. : Modern ergonomic designs, such as the 5-point

: Modern ergonomic designs, such as the 5-point base chair , are built for stability and ease of movement. From its origins as a symbol of elite

Biomechanical studies have even analyzed the mechanics of rising from a chair , finding that seat height and armrests significantly affect the force placed on hips and knees .

The chair is perhaps the most mundane yet profound object in human history. From its origins as a symbol of elite status to its current status as a ubiquitous health concern, the chair tells the story of how humans have shaped their environment—and how that environment, in turn, has shaped their bodies and minds. A Brief History of Sitting