Apple MB991LL User Guide - Page 67
nderstanding, Ergonomics
 |
UPC - 885909296545
View all Apple MB991LL manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 67 highlights
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. This Not this Use a light touch when typing or using the trackpad and keep your hands and fingers relaxed. Avoid rolling your thumbs under your palms. This Not this Chapter 5 Last, but Not Least 67
-
1 -
2
-
3
-
4
-
5
-
6
-
7
-
8
-
9
-
10
-
11
-
12
-
13
-
14
-
15
-
16
-
17
-
18
-
19
-
20
-
21
-
22
-
23
-
24
-
25
-
26
-
27
-
28
-
29
-
30
-
31
-
32
-
33
-
34
-
35
-
36
-
37
-
38
-
39
-
40
-
41
-
42
-
43
-
44
-
45
-
46
-
47
-
48
-
49
-
50
-
51
-
52
-
53
-
54
-
55
-
56
-
57
-
58
-
59
-
60
-
61
-
62 -
63 -
64 -
65 -
66 -
67 -
68 -
69 -
70 -
71 -
72 -
73
-
74
-
75
-
76
-
77
-
78
-
79
-
80
 |
 |
Chapter 5
Last, but Not Least
67
U
nderstanding
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.
Use a light touch when typing or using the trackpad and keep your hands and fingers
relaxed. Avoid rolling your thumbs under your palms.
Not this
This
Not this
This