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Table 2 Comparison of grip-strength performance and stability control in the young group across the three manual precision tasks for the dominant and non-dominant hands

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

  Young group (n = 50)
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) 0.806 0.448   1.823 0.165  
 CV (%) 57.833 < 0.001** Condition 1 < Condition 2
(p < 0.001**)
Condition 1 < Condition 3
(p < 0.001**)
44.356 < 0.001** Condition 1 < Condition 2
(p < 0.001**)
Condition 1 < Condition 3
(p < 0.001**)
Strength-stability control
 Deviation error (kg) 0.806 0.448   1.823 0.165  
 Absolute error (kg) 1.295 0.277   0.099 0.905  
 Force stability index (%) 37.789 < 0.001** Condition 1 < Condition 2
(p < 0.001**)
Condition 1 < Condition 3
(p < 0.001**)
53.262 < 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