Answer to Question 2:

When selecting a work chair, the following should be assessed:

• Seat height should be adjustable
• Seat width should cope with the largest users’ hip width
• Adjustable backrests should be provided to support the lower back
• The lower part of the back rest must be given a convex shape to preserve the curve of the lower back
• All adjustments should be quick and easy to make
• Seats should swivel and be easy to move
• Ensure armrests on the chair will not hinder work tasks
• Ideally, the chair should have 5 legs for stability