Validity of Measurement for Trailing Limb Angle and Propulsion Force during Gait Using a Magnetic Inertial Measurement Unit

Figure 2

Estimation of the trailing limb angle (TLA) by motion analysis system (a) and magnetic inertial measurement units (b). , tilt angle matrix of the thigh segment; , tilt angle matrix of the shank segment; , vector of the thigh segment; , vector of the shank segment.

(a)

(b)