Table 1.

Contractile properties during knee contractions

			Knee Joint Angle
Muscle Property	Setup	Muscle Action	90°	160°
MVC, Nm	Seated	Extension	320.1 (20.1)	106.3 (14.9)*
		Flexion	101.3 (39.1)	172.3 (89.6)*
	Prone	Extension	285.6 (91.5)	115.5 (32.5)*
		Flexion	53.8 (14.91)	86.3 (17.4)*
VA, %	Seated	Flexion		98.7 (1.3)
Pt, Nm				24.7 (8.8)
TPT, ms				95.8 (43.6)
HRT, ms				85.6 (53.4)
CD, ms				181.5 (67.8)
PTP, Nm				28.1 (7.0)

Values are means (SD). Isometric torque was measured in the prone position for knee extension (n = 6) and knee flexion (n = 11) and in the seated position for knee extension (n = 11) and knee flexion (n = 11). Electrically stimulated contractile properties of knee flexion in the seated position were measured with a modified twitch technique (n = 11). MVC, maximal voluntary isometric contraction; VA, voluntary activation; Pt, evoked peak twitch; TPT, time to peak tension; HRT, half-relaxation time; CD, contraction duration; PTP, evoked potentiated twitch.

^*Significance in a knee joint angle interaction (P < 0.05).