Table 1.

Table of estimates of the fixed effect of the halo-type structure on muscle workload, linear rate of fatigue and the quadratic rate of fatigue

Muscle	Parameter	b	Error	df	t	p	95% CI
							Lower	Upper
LSCM	Workload	16.91	0.35	36 948	47.84	0.001	16.21	17.60
	Linear fatigue	−23.74	1.63	36 948	−14.54	0.001	−26.94	−20.54
	Quadratic fatigue	20.14	1.58	36 948	12.74	0.001	17.05	23.24
LCES	Workload	−4.85	0.44	36 948	−11.14	0.001	−5.70	−4.00
	Linear fatigue	13.92	2.01	36 948	6.92	0.001	9.98	17.86
	Quadratic fatigue	−11.28	1.95	36 948	−5.80	0.001	−15.10	−7.47
RSCM	Workload	13.90	0.38	36 948	36.72	0.001	13.16	14.64
	Linear fatigue	−3.02	1.75	36 948	−1.73	0.084	−6.45	0.40
	Quadratic fatigue	−2.57	1.69	36 948	−1.52	0.129	−5.88	0.75
RCES	Workload	−6.31	0.36	36 948	−17.67	0.001	−7.01	−5.61
	Linear fatigue	−14.07	1.65	36 948	−8.53	0.001	−17.30	−10.83
	Quadratic fatigue	19.88	1.60	36 948	12.45	0.001	16.75	23.02

‘b’ is the estimate of the fixed effect. ‘Error’ is the SE. ‘t’ is the t-statistic for the fixed effect. P value is the significance of the effect. ‘95% CI’ is the 95% CI for the fixed effect.

LCES, left cervical erector spinae; LSCM, left sternocleidomastoid; RCES, right cervical erector spinae; RSCM, right sternocleidomastoid.