selkänoja
Selkänoja, meaning backrest in Finnish, is the part of a chair, sofa, or bench that provides support to the sitter's back. It is typically attached to the frame behind the seat and may be padded, upholstered, or carved from solid material. The primary function is to support the spine and upper body, contributing to posture and comfort during seated use. In addition to comfort, backrests influence ergonomics, aesthetics, and seating duration.
Backrests vary greatly in height, contour, and adjustability. Fixed backrests offer a single form, while contoured
Ergonomic considerations include providing adequate lumbar support, maintaining an appropriate angle between the back and the
In construction, the backrest is usually connected to the chair frame by joints or brackets and can
Selkänoja is a standard element of modern seating, with design choices balancing comfort, aesthetics, and intended