The relationship between cervical flexor endurance, cervical extensor endurance, VAS, and disability in subjects with neck pain

Table 3 Comparison among NEE test findings of different studies

NEE test
Author	Max holding time (s) and standard deviation (SD) or inter-quartile range (IQR) in symptomatic subjects	Sample characteristics
Parazza et al.	246.73 (SD = 150)	Group of symptomatic subjects, none in treatment at the time of the test
Edmondston et al. 2008 [19]	151.5 (SD = 71.4) 1^st repetition	Group of postural neck pain subjects with the addition of 2 kg weight
	149.2 (SD = 87.1) 2^nd repetition
	125.0 (SD = 65.9) 3^rd repetition
Edmondston et al. 2011 [21]	Median = 165 (IQR = 111–240)	Group of postural neck pain female subjects with the addition of 2 kg weight
Lee et al. 2005 [7]	350.4 (SD = 199.3)	Group of symptomatic subjects who required treatment

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