One Size Fits None
The standard office desk height of 72 cm was designed for the average male of the 1960s. Today's diverse workforce — spanning heights from 150 to 200 cm — cannot be served by a single fixed dimension. Poorly fitted workstations force workers into awkward postures that load muscles, compress nerves, and stress joints. Over 70% of office workers report musculoskeletal discomfort, with the most common complaints affecting the neck, shoulders, and lower back.
The Neutral Posture
Ergonomic workstation design targets the neutral posture — the position where joints are in their mid-range and muscles are at their resting length. Key angles: 90-110° at elbows, 90-110° at knees, 90-100° at hips, and less than 20° of neck flexion. In neutral posture, muscles work at minimal effort, joint capsules and ligaments are unstressed, and blood flow is unrestricted. Every deviation from neutral increases tissue loading exponentially.
Anthropometric Matching
Proper workstation setup starts with the user's body dimensions. Seat height should place feet flat on the floor with thighs horizontal. Desk height should put forearms level with the keyboard when upper arms hang naturally. Monitor height should place the screen center at about 15-20° below the horizontal gaze angle. This simulation uses anthropometric proportions to calculate optimal furniture dimensions for any user height and flag mismatches.
Dynamic Sitting
Even a perfectly set up workstation causes problems if posture is static. Intervertebral discs have no blood supply — they rely on movement-driven fluid exchange for nutrition. Sustained sitting compresses discs, fatigues postural muscles, and reduces circulation. Modern ergonomics emphasizes dynamic sitting: regular micro-movements, posture changes, sit-stand transitions, and walking breaks. The best workstation is one that encourages movement while providing a comfortable neutral baseline.