Table 2.

Reliability of muscle contraction ratio in the controls (dominant and nondominant sides) and patients with sciatica (affected and unaffected sides)

	Mean	SD	ICC	SEM	MDC
Dominant
Multifidus	1.24	0.19	0.82	0.08	0.22
Biceps Femoris	1.17	0.14	0.91	0.04	0.11
Medial Gastrocnemius	1.12	0.07	0.90	0.03	0.08
Soleus	1.10	0.06	0.87	0.03	0.07
Nondominant
Multifidus	1.25	0.17	0.84	0.06	0.18
Biceps Femoris	1.20	0.13	0.90	0.03	0.14
Medial Gastrocnemius	1.12	0.07	0.86	0.03	0.09
Soleus	1.10	0.07	0.88	0.03	0.09
Affected
Multifidus	0.87	0.40	0.85	0.05	0.16
Biceps Femoris	1.13	0.25	0.89	0.08	0.22
Medial Gastrocnemius	1.01	0.20	0.87	0.07	0.19
Soleus	0.90	0.07	0.90	0.06	0.17
Unaffected
Multifidus	1.20	0.14	0.89	0.04	0.13
Biceps Femoris	1.27	0.16	0.90	0.04	0.13
Medial Gastrocnemius	1.20	0.21	0.86	0.07	0.19
Soleus	1.25	0.22	0.89	0.06	0.18

SD Standard Deviation, ICC Intraclass correlation coefficient, SEM Standard Error of Measurement, MDC Minimal Detectable Change