ABSTRACT
An important reason for musculoskeletal problems is when the sitter is forced into a constrained and awkward posture during work activities, and when there is no possibility to get relief or change posture (van Wely, 1970).
An important reason for musculoskeletal problems is when the sitter is forced into a constrained and awkward posture during work activities, and when there is no possibility to get relief or change posture (van Wely, 1970).