SEAT ASSEMBLY

A seat assembly comprising a support frame, a seat back assembly, an upper seat back fixing and a lower seat back fixing, the upper seat back fixing and the lower seat back fixing configured to connect the seat back assembly to the support frame, wherein: the upper seat back fixing comprises a rotatable connection between the seat back assembly and the support frame; and the lower seat back fixing comprises a friction assembly configured to hold the seat back assembly in position relative to the support frame in normal use and configured to allow the seat back assembly to move relative to the support frame in response to greater than a predetermined force being applied to the seat back assembly.