6
Average Performance of Normal Subjects on Key Pinch (lb)
Pinch Strength Norms for Ages 6-19
6-7
8-9
10-11
12-13
14-15
16-17
18-19
R
L
R
L
R
L
R
L
R
L
R
L
R
L
11.3
10.6
13.1
12.2
15.3
14.5
16.6
15.6
20.9
19.9
23.3
21.8
23.5
22.9
2.0
2.1
2.6
2.5
3.1
2.9
2.9
2.8
3.8
3.7
3.4
3.6
4.1
4.0
7-16
4-15
9-18
8-20
9-22
9-22
11-22
10-21
14-32
12-26
14-31
13-30
17-34
14-33
9.6
9.1
11.6
11.3
14.2
13.3
15.2
14.1
15.6
14.8
17.3
16.6
18.1
17.2
1.5
1.5
2.6
2.1
2.1
2.0
2.6
3.0
2.5
2.7
3.0
3.1
2.4
2.5
6-12
5-11
8-23
8-20
11-21
11-19
11-22
10-23
12-22
7-22
12-27
11-25
12-23
12-22
Females
Males
AGE
Range
Mean
SD
SD
HAND
Range Mean
Mathiowetz V, Wiemer D, Fedeman S: Grip and Pinch Strength:
Norms for 6-to 19-Year Olds. American Jourmal of Occupational
Therapy pp.705-711, 1986.
The B&L Engineering PG-60 was used to measure the pinch
strength of normal subjects in that research paper.