Table 4

Responsiveness of key and tip pinch grip (effect sizes)


Key pinch
Tip pinch

Nakamichi & Tachibana 1997 [17]
Dias et al 2004 [29]

CG
EG
CG
EG

Mean pre-op/post-op at 6 weeks (kgs)
3.74/2.58
3.84/3.10
4.9/6.1
5.7/6.0
Effect size
1.02*
0.64*
0.46
0.14
Mean pre-op/post-op at 12 weeks
3.74/2.91
3.84/3.48
4.9/6.4
5.7/6.4
Effect size
0.73*
0.31*
0.58
0.33

CG = comparator group, EG = experimental group

* large effect size but change reflects a decrease in strength

Geere et al. BMC Musculoskeletal Disorders 2007 8:114   doi:10.1186/1471-2474-8-114