Table 4.

Hand grip strength and pincer grip strength before and after intervention in the study groups of office workers reporting complaints of hand and wrist pain, divided into right and left sides, the Biomechanics Laboratory of Central Institute for Labor Protection – National Research Institute, Warsaw, Poland 2021

Parameter	Measurement		Z	p
	before the exercises	after the exercises
Grip strength [N] (M±SD)
right hand
exercises group	324.63±111.48	338.75±100.86	−2.85	0.004*
non-exercises group	370.95±102.98	367.75±103.51	−0.18	0.861
left hand
exercises group	303.04±96.94	311.85±94.05	−1.47	0.142
non-exercises group	338.94±106.63	342.65±125.87	−0.25	0.807
Pincer grip strength [N] (M±SD)
right hand
exercises group	76.47±22.89	80.59±26.62	−2.12	0.034*
non-exercises group	81.96±19.99	82.62±22.93	−0.38	0.701
left hand
exercises group	71.86±22.89	76.60±23.20	−2.38	0.017*
non-exercises group	77.04±16.38	76.68±23.40	−0.31	0.753

^*p < 0.05.