Accelerometer and rate gyroscope measurement of kinematics: an inexpensive alternative to optical motion analysis systems

Accelerometer and rate gyroscope measurement of kinematics: an inexpensive alternative to optical motion analysis systems

A general-purpose system to obtain the kinematics of gait in the sagittal plane based on body-mounted sensors was developed. It consisted of four uniaxial seismic accelerometers and one rate gyroscope per body segment. Tests were done with 10 young healthy volunteers, walking at five different speed...

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Veröffentlicht in:Journal of biomechanics 2002-04, Vol.35 (4), p.537-542
Hauptverfasser: Mayagoitia, Ruth E., Nene, Anand V., Veltink, Peter H.
Format: Artikel
Sprache:eng
Schlagworte:
Acceleration
Accelerometer
Accelerometers
Adult
Biomechanical Phenomena
Electronic Data Processing
Equipment Design
Ergonomics
Error analysis
Foot - physiology
Gait - physiology
Gait kinematics
Gyroscope
Gyroscopes
Humans
Kinematics
Knee moment
Leg - physiology
Male
Movement - physiology
Portable gait analysis
Reproducibility of Results
Sensors
Space life sciences
Statistical tests
Walking
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Zusammenfassung:A general-purpose system to obtain the kinematics of gait in the sagittal plane based on body-mounted sensors was developed. It consisted of four uniaxial seismic accelerometers and one rate gyroscope per body segment. Tests were done with 10 young healthy volunteers, walking at five different speeds on a treadmill. In order to study the system's accuracy, measurements were made with an optic, passive-marker system and the body-mounted system, simultaneously. In all the comparison cases, the curves obtained from the two systems were very close, showing root mean square errors representing
ISSN:0021-9290
1873-2380
DOI:10.1016/S0021-9290(01)00231-7