The impact of different lenses on visual and musculoskeletal complaints in VDU workers with work-related neck complaints: a randomized controlled trial

Table 3 Descriptive statistics (mean ± SD) of head posture and PPT of the VDU and P group at different time points

Outcome measure	Groups	Task 1	Task 2
Head posture
	VDU	63.20 ± 11.00	62.15 ± 9.80
	P	57.62 ± 8.45	57.08 ± 7.94
Pain pressure threshold
Trapezius left (N/s)	VDU	16.34 ± 7.25	19.95 ± 9.75
Trapezius left (N/s)	P	19.07 ± 6.48	26.54 ± 12.42
Trapezius right (N/s)	VDU	15.83 ± 5.36	20.02 ± 6.95
Trapezius right (N/s)	P	17.29 ± 7.11	26.99 ± 14.15
Levator scapulae left (N/s)	VDU	17.03 ± 10.31	24.22 ± 14.03
Levator scapulae left (N/s)	P	21.44 ± 10.88	30.01 ± 12.04
Levator scapulae right (N/s)	VDU	19.30 ± 11.47	25.31 ± 10.44
Levator scapulae right (N/s)	P	22.22 ± 15.08	26.75 ± 14.32
Infraspinatus left (N/s)	VDU	17.22 ± 10.44	22.15 ± 12.75
Infraspinatus left (N/s)	P	20.83 ± 11.92	29.17 ± 15.91
Infraspinatus right (N/s)	VDU	20.49 ± 13.38	27.81 ± 14.03
Infraspinatus right (N/s)	P	22.35 ± 16.45	34.49 ± 20.21

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