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An original approach for ambulatory measurement and analysis of lower limb 3D gait posture was presented, and a wearable sensor system was developed according to the approach. To explicate the lower limb posture, thigh orientation angles were calculated based on a virtual sensor at the hip joint and double analog inertial sensors (MAG3) on the thigh; Knee joint angle in sagittal plane was calculated...
A new method of measuring joint angle using a combination of 3D accelerometers and reaction force sensors is presented. Muscle motion is a common source of error to all body-mounted sensors. The effect of skin artefact was minimized based on the estimation of muscle motion measured using a new reaction force sensor banded with human body segment. The force sensor was designed using pressure sensitive...
This paper presents a study on quantitative dynamics analysis of human lower limb using developed wearable sensor systems that can measure reaction force and detect the following gait phases: initial contact, loading response, mid stance, terminal stance, pre-swing, initial swing, mid swing and terminal swing. Since conventional camera-based motion analysis system and reaction force plate system require...
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