Method 1 - Upright and Reclined Seated Postures

The following dimensions represent clearances that accommodate the majority of users (5th percentile female to 95th percentile male) when in a seated posture where the top of the legs are about parallel with the floor. Minimum dimensions (Figure 1) 20 inches (52 cm) wide. 17 inches (44 cm) deep at knee level. 24 inches (60 cm) deep at foot level. 4 inches (10 cm) high at the foot. Variable dimensions ("rollover" the image) Height is adjustable between 20 and 27 inches (50 and 69 cm) near the user. (Figs. 1 and 2) Figures 1 and 2. Minimum Clearance Areas

Method 2 - Upright, Reclined, and Declined Seated Postures

The following dimensions accommodate the largest operator clearance spaces (5th percentile female to 95th percentile male). Thus, specifications conforming with Method 2 will meet Method 1 requirements. This method also includes postures where the knee is slightly lower than the buttocks (declined-seated). Minimum dimensions (see above) Variable dimensions ("rollover" the images) Adjustable between 20 and 28 inches (50 and 72 cm) high at the hip. (Figures 1 and 3) Adjustable between 20 and 25 inches (50 and 64 cm) high near the user's knee. (Figures 1 and 3) Figures 1 and 3. Minimum Clearance Area

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