Model J00105 User Instructions
www.lafayetteinstrument.com . info@lafayetteinstrument.com
7
Table: Average Grip-Strength vs Age
Males
Females
Age
Hand
Mean
SD
Mean
SD
6-7
R
32.5
4.8
28.6
4.4
L
30.7
5.4
27.1
4.4
8-9
R
41.9
7.4
35.3
8.3
L
39.0
9.3
33.0
6.9
10-11
R
53.9
9.7
49.7
8.1
L
48.4
10.8
45.2
6.8
12-13
R
58.7
15.5
56.8
10.6
L
55.4
16.9
50.9
11.9
14-15*
R
77.3
15.4
58.1
12.3
L
64.4
14.9
49.3
11.9
16-17*
R
94.0
19.4
67.3
16.5
L
78.5
19.1
56.9
14.0
18-19*
R
108.0
24.6
71.6
12.3
L
93.0
27.8
61.7
12.5
20-24
R
121.0
20.6
70.4
14.5
L
104.5
21.8
61.0
13.1
25-29
R
120.8
23.0
74.5
13.9
L
110.5
16.2
63.5
12.2
30-34
R
121.8
22.4
78.7
19.2
L
110.4
21.7
68.0
17.7
35-39
R
119.7
24.0
74.1
10.8
L
112.9
21.7
66.3
11.7
40-44
R
116.8
20.7
70.4
13.5
L
112.8
18.7
62.3
13.8
45-49
R
109.9
23.0
62.2
15.1
L
100.8
22.8
56.0
12.7
50-54
R
113.6
18.1
65.8
11.6
L
101.9
17.0
57.3
10.7
55-59
R
101.1
26.7
57.3
12.5
L
83.2
23.4
47.3
11.9
60-64
R
89.7
20.4
55.1
10.1
L
76.8
20.3
45.7
10.1
65-69
R
91.1
20.6
49.6
9.7
L
76.8
19.8
41.0
8.2
70-74
R
75.3
21.5
49.6
11.7
L
64.8
18.1
41.5
10.2
75+
R
65.7
21.0
42.6
11.0
L
55.0
17.0
37.6
8.9
* The mean scores for
individuals, aged 14-19
years, may be slightly
low (0-10 lb lower than
they should be) due to
instrument error detected
after the study.