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Total muscle-tendon force from activation and normalised fiber kinematics: \(F = F_{max}\,[a\,f_L(\tilde l)\,f_V(\tilde v) + f_{PE}(\tilde l)]\cos\alpha\).

Usage

hillMuscleForce(
  activation,
  norm_len,
  norm_vel,
  max_isometric_force = 1000,
  pennation = 0
)

Arguments

activation

Activation in [0, 1].

norm_len

Normalised fiber length.

norm_vel

Normalised fiber velocity.

max_isometric_force

Peak isometric force (N).

pennation

Pennation angle (rad).

Value

Muscle force in N.