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Table 4.

Vastus comparison of observed strain at 3.5 m s⁻¹with strain predicted from kinematics

Phase of activity	Joint range of motion (degrees)	Predicted strain (% of fascicle length)	Observed strain (% of fascicle length)	P
1	−10.4±1.4	2.9±0.4	−9.4±1.8	0.008
3	3.3±0.6	−0.9±0.2	−4.5±1.6	0.086
4	−11.6±1.4	3.2±0.4	−3.7±1.9	0.030
5	3.5±0.7	−1.0±0.2	−2.7±1.5	0.282
3+4+5		1.3±0.2	−11.0±2.0
3+5		−1.9±0.2	−7.2±1.8

Phase of activity	Joint range of motion (degrees)	Predicted strain (% of fascicle length)	Observed strain (% of fascicle length)	P
1	−10.4±1.4	2.9±0.4	−9.4±1.8	0.008
3	3.3±0.6	−0.9±0.2	−4.5±1.6	0.086
4	−11.6±1.4	3.2±0.4	−3.7±1.9	0.030
5	3.5±0.7	−1.0±0.2	−2.7±1.5	0.282
3+4+5		1.3±0.2	−11.0±2.0
3+5		−1.9±0.2	−7.2±1.8

Values are mean ± s.e.m.; N=4.