. 2011 Aug 2;8:41. doi: 10.1186/1743-0003-8-41

Table 3.

Correlation coefficients (Spearman) between coactivation levels of knee and ankle extensors and clinical measures in stroke participants

Clinical tests	Levels of coactivation
	Knee extension task				Plantarflexion task
	Sol		GL		VL		RF
	at VL_max	at RF_max	at VL_max	at RF_max	at Sol_max	at GL_max	at Sol_max	at GL_max

LEMOCOT	-0.15	-0.20	-0.76**	-0.75**	-0.58*	-0.55*	-0.72**	-0.55*
CMSA_Foot	-0.33	-0.19	-0.75**	-0.73**	-0.42	-0.38	-0.66*	-0.69**
CSI	0.54	0.52	0.75**	0.68*	0.45	0.43	0.73**	0.87**
Gait _speed	-0.47	-0.56*	-0.64*	-0.70**	-0.21	-0.20	-0.40	-0.43

Sol : Soleus; GL: Gastrocnemius Lateralis; VL: Vastus Lateralis; RF: Rectus Femoris; LEMOCOT: Lower Extremity Motor Coordination Test; CMSA: Chedoke-McMaster Stroke Assessment at the foot; CSI: Composite Spasticity Index; Gait_Speed: Comfortable walking speed; Significant correlations are in bold characters; *p ≤ 0.05;** p ≤ 0.01