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Table 4 Age-related differences in handgrip steadiness across different measures

From: Handgrip force steadiness in young and older adults: a reproducibility study

Measure % of MVC

Left

Difference

Right

Difference

Old

Young

Old

Young

CVM 5%

8.64

6.46

2.18 (p = .018*)

7.93

6.45

1.48 (p = .062)

CVM 10%

5.03

3.89

1.14 (p = .033*)

4.41

3.55

0.86 (p = .058)

CVM 25%

2.95

2.29

0.66 (p = .009*)

2.52

2.24

0.28 (p = .083)

CVT 5%

8.79

6.50

2.29 (p = .012*)

7.99

6.53

1.46 (p = .043*)

CVT 10%

5.10

3.87

1.23 (p = .031*)

4.51

3.53

0.98 (p = .043*)

CVT 25%

2.89

2.25

0.64 (p = .012*)

2.49

2.20

0.29 (p = .077)

Area 5%

1.85

1.16

0.69 (p < .001*)

1.92

1.30

0.62 (p = .017*)

Area 10%

2.09

1.52

0.57 (p = .015*)

2.11

1.52

0.59 (p = .031*)

Area 25%

2.88

2.57

0.31 (p = .450)

2.60

2.64

−0.04 (p = .866)

  1. *Statistically significant at the .05 level. CVM and CVT is the calculated coefficient of variation using the mean value and the target force, respectively