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</GeometryPath>
					<!--The maximum force this actuator can produce.-->
					<optimal_force>1</optimal_force>
					<!--Maximum isometric force that the fibers can generate-->
					<max_isometric_force>819</max_isometric_force>
					<!--Optimal length of the muscle fibers-->
					<optimal_fiber_length>0.0535</optimal_fiber_length>
					<!--Resting length of the tendon-->
					<tendon_slack_length>0.078</tendon_slack_length>
					<!--Angle between tendon and fibers at optimal fiber length expressed in radians-->
					<pennation_angle_at_optimal>0.13962634</pennation_angle_at_optimal>
					<!--Maximum contraction velocity of the fibers, in optimal fiberlengths/second-->
					<max_contraction_velocity>10</max_contraction_velocity>
					<!--time constant for ramping up muscle activation-->
					<activation_time_constant>0.01</activation_time_constant>
					<!--time constant for ramping down of muscle activation-->
					<deactivation_time_constant>0.04</deactivation_time_constant>
					<!--tendon strain at maximum isometric muscle force-->
					<FmaxTendonStrain>0.033</FmaxTendonStrain>
					<!--passive muscle strain at maximum isometric muscle force-->
					<FmaxMuscleStrain>0.6</FmaxMuscleStrain>
					<!--shape factor for Gaussian active muscle force-length relationship-->
					<KshapeActive>0.5</KshapeActive>
					<!--exponential shape factor for passive force-length relationship-->
					<KshapePassive>4</KshapePassive>
					<!--force-velocity shape factor-->
					<Af>0.3</Af>
					<!--maximum normalized lengthening force-->
					<Flen>1.8</Flen>