72 Chapter 5 Last, but Not Least
Understanding Ergonomics
Herearesometipsforsettingupahealthyworkenvironment.

Keyboard and Trackpad

Whenyouusethekeyboardandtrackpad,yourshouldersshouldberelaxed.
Yourupperarmandforearmshouldformananglethatisslightlygreaterthanaright
angle,withyourwristandhandinroughlyastraightline.
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Usealighttouchwhentypingorusingthetrackpadandkeepyourhandsandngers
relaxed.Avoidrollingyourthumbsunderyourpalms.
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