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FIGURE 10.11 Body segment angles, seat dimensions, and pedal location affecting foot force exertion. (With
permission by the publisher from Kroemer et al., Ergonomics: How to Design for Ease and Efficiency, Prentice Hall,
Upper Saddle River, NJ, 2001. All rights reserved.)
100
R
= 14cm
r
= 12cm
90
80
70
60
50
40
5°
≤ α ≤
10°
15°
≤ α ≤
19°
30
20
10
- 6°
≤ α ≤
-15°
0
60
80
100
120
140
160
180 deg.
β
: Knee angle
FIGURE 10.12 Effects of thigh angle a and knee angle b— see Figure 10.11 — on pedal push force. (With
permission by the publisher from Kroemer et al., Ergonomics: How to Design for Ease and Efficiency, Prentice Hall,
Upper Saddle River, NJ, 2001. All rights reserved.)
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