Chiropractic & Manual Therapies

Table 4 Reliability of muscle echo-intensity measures for the maximum rectangular region of interest in the controls (dominant and nondominant sides) and patients with sciatica (affected and unaffected sides)

From: Test-retest reliability of nerve and muscle morphometric characteristics utilizing ultrasound imaging in individuals with unilateral sciatica and controls

	Transverse scan (a.u.)					Longitudinal scan (a.u.)
	Mean	SD	ICC	SEM	MDC	Mean	SD	ICC	SEM	MDC
Dominant
Multifidus	90.53	18.27	0.81	7.95	21.99	91.83	23.20	0.83	9.56	26.42
Biceps Femoris	67.89	21.26	0.76	10.40	28.74	59.08	16.86	0.80	7.54	20.84
Medial Gastrocnemius	79.98	14	0.78	6.57	18.67	84.82	20	0.82	8.48	23.39
Soleus	104.39	47.16	0.79	21.60	59.70	100.74	45.58	0.81	19.83	54.80
Nondominant
Multifidus	98.13	20.1	0.75	10.05	27.79	89.75	17.31	0.80	7.74	21.39
Biceps Femoris	81.90	23.23	0.77	11.13	30.75	78.74	21.48	0.82	9.11	25.17
Medial Gastrocnemius	79.89	18.67	0.76	9.13	25.23	80.85	14.24	0.83	5.87	16.23
Soleus	104.03	46.29	0.78	16.85	46.57	100.46	48.82	0.82	20.70	57.21
Affected
Multifidus	99.41	41.53	0.82	17.61	48.69	98.89	41.1	0.84	16.44	45.43
Biceps Femoris	73.71	37.82	0.85	14.64	40.45	80.21	42.72	0.80	19.10	52.79
Medial Gastrocnemius	89.87	45.89	0.83	18.98	52.47	90.55	47.92	0.84	19.17	52.98
Soleus	99.76	31.22	0.87	11.24	31.08	96.63	32.23	0.89	10.67	29.5
Unaffected
Multifidus	98.74	42.28	0.82	17.93	49.57	99.76	43.87	0.84	17.55	48.50
Biceps Femoris	72.11	39.23	0.80	17.54	48.49	74.10	38.03	0.83	15.67	43.32
Medial Gastrocnemius	80.21	47.97	0.87	17.27	47.72	79.27	48.79	0.86	18.25	50.46
Soleus	95.89	31.52	0.85	12.2	33.51	97.45	35.02	0.84	14.01	38.72

ICC Intraclass correlation coefficient, SEM Standard Error of Measurement, MDC Minimal Detectable Change, arbitrary units (a.u)

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