Posture Development in Babies   Posture Promotion in Babies   Posture Promotion in Toddlers   Posture Promotion in Nursery Schools   Posture Promotion in Playgrounds   Remedial Equipment for Physiotherapy   Exercises for Mothers and Babies   Working with Orphan Babies  The Seat Wedge A forward-sloping seat assures sitting with a straight back. For short periods only, it is effective without a front support. This is shown in a high chair without its table.