Civil Engineering Reference
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Ulnar nerve
Transverse
carpal ligament
Pisiform bone
Ulnar artery
Radial artery
Median nerve
Tendons
FIGURE 11.20
Important anatomical structures in the wrist.
120
100
80
60
40
20
0
Neutral
Flexion
Extension
Radial Deviation Ulnar Deviation
Wrist Position
Supination (palm up)
Mid-position
Pronation (palm down)
FIGURE 11.21 Grip strength as a function of wrist and forearm position. (Adapted from Sanders, M.S.
and McCormick, E.F., Human Factors in Engineering and Design, McGraw-Hill Inc., New York, 1993. With
permission.)
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