Nonparetic Knee Extensor Strength Is the Determinant of Exercise Capacity of Community-Dwelling Stroke Survivors

Table 2

Walking speed, peak torque of knee extensors, and exercise tolerance test results.

Walking speed (m/s)	Sp_12m	0.52 ± 0.28
	Sp_L6m	0.56 ± 0.31
	Sp_F6m	0.49 ± 0.25^a
Knee extensor strength (torque, Nm)	60DT_PL	68.93 ± 40.44
	60DT_NPL	106.06 ± 42.82^b
	90DT_PL	49.34 ± 26.84^d
	90DT_NPL	70.55 ± 31.93^c,e
Exercise capacity variables	VE (times/min)	37.27 ± 12.51
	VO2 peak (L/min)	1.21 ± 0.43
	VO2/Kg (mL/min/kg)	17.55 ± 5.57
	HRmax (beats/min)	122.43 ± 19.43

Sp_12m: speed of total 12 meters; Sp_L6m: speed of last 6 meters; Sp_F6m: speed of first 6 meters; 90DT_PL: 90-degree torque of paretic leg; 90DT_NPL: 90-degree torque of nonparetic leg; 60DT_PL: 60-degree torque of paretic leg; 60DT_NPL: 60-degree torque of nonparetic leg; VE: ventilation; VO₂ peak: peak O₂ consumption; HRmax: maximal heart rate.
between Sp_L6m and Sp_F6m; between NPL and PL.
between 60DT and 90DT.