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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