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Table 3 Comparison of grip-strength performance and stability control in the older adult group across the three tasks for the dominant and non-dominant hands

From: The impact of aging and reaching movements on grip stability control during manual precision tasks

 

Older adult group (n = 54)

Dominant hand

Non-dominant hand

F value

Sig. (Two-tailed)

Scheffe post-hoc

F value

Sig. (Two-tailed)

Scheffe post-hoc

Strength performance

 Grip force (kg)

2.032

0.134

 

1.942

0.147

 

 CV (%)

0.072

0.931

 

1.230

0.295

 

Strength-stability control

 Deviation error (kg)

2.032

0.134

 

1.942

0.147

 

 Absolute error (kg)

6.534

0.002*

Condition 1 < Condition 3

(p = 0.002*)

10.817

< 0.001**

Condition 1 < Condition 2

(p = 0.002*)

Condition 1 < Condition 3

(p < 0.001**)

 Force stability index (%)

7.104

0.001*

Condition 1 < Condition 3

(p = 0.001*)

12.286

< 0.001**

Condition 1 < Condition 2

(p = 0.001*)

Condition 1 < Condition 3

(p < 0.001**)

  1. CV coefficient of variation, Diff difference, Sig significance
  2. *Significant difference p < 0.05
  3. **Significant difference p < 0.001