The invention relates to a chair for accommodating a person. The chair includesan upper body section having an upper
body contact surface adapted or adaptable to at least parts of a front of a
torso or a rear of a
torso of a person placed on the chair, anda
lower body section having a
lower body contact surface adapted or adaptable to at least parts of at least a front of a
thigh of the person, wherein the upper body section and the
lower body section are arranged or arrangeable and fixable in a position relative to each other such that the upper
body contact surface and the lower
body contact surface cause a
hyperextension posture of the hip joint of the person with a predetermined
hyperextension angle. By forming the
hyperextension angle of the hip on the chair, shortening of the anterior
thigh and
hip muscles can be counteracted. Also disclosed are a pressing device for application to the
human body, which is adapted for use on a chair and which includes one or more
pressure units each having at least one pressure head adapted to apply local or point pressure at a predetermined pressure location on the body of a person accommodated on the chair, and a chair having such a pressing device.