A durable, low-cost electrogoniometer for dynamic measurement of joint trajectories
Abstract This article introduces a method and step-by-step instructions for the design of a low-cost, flexible electrogoniometer, suitable for kinesiology, rehabilitation, and biometric applications. Two unidirectional flexible sensors are placed back-to-back, and a multivariate linear regression mo...
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| Veröffentlicht in: | Medical engineering & physics 2011-06, Vol.33 (5), p.546-552 |
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| creator | Wang, Po T King, Christine E Do, An H Nenadic, Zoran |
| description | Abstract This article introduces a method and step-by-step instructions for the design of a low-cost, flexible electrogoniometer, suitable for kinesiology, rehabilitation, and biometric applications. Two unidirectional flexible sensors are placed back-to-back, and a multivariate linear regression model was used to combine measurements from the two sensors. Following a short calibration procedure, the electrogoniometer can be reliably used for measurement of flexion/extension angles of various hinge joints. The performance of the goniometer has been tested on a population of 21 healthy subjects performing flexion/extension of index finger, wrist and elbow. The proposed device achieves the quality of joint angle measurements comparable to that of commercial electrogoniometers, while having a significantly higher durability-to-cost ratio. |
| doi_str_mv | 10.1016/j.medengphy.2010.12.008 |
| format | Article |
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Two unidirectional flexible sensors are placed back-to-back, and a multivariate linear regression model was used to combine measurements from the two sensors. Following a short calibration procedure, the electrogoniometer can be reliably used for measurement of flexion/extension angles of various hinge joints. The performance of the goniometer has been tested on a population of 21 healthy subjects performing flexion/extension of index finger, wrist and elbow. 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Two unidirectional flexible sensors are placed back-to-back, and a multivariate linear regression model was used to combine measurements from the two sensors. Following a short calibration procedure, the electrogoniometer can be reliably used for measurement of flexion/extension angles of various hinge joints. The performance of the goniometer has been tested on a population of 21 healthy subjects performing flexion/extension of index finger, wrist and elbow. The proposed device achieves the quality of joint angle measurements comparable to that of commercial electrogoniometers, while having a significantly higher durability-to-cost ratio.</description><subject>Adult</subject><subject>Applied kinesiology</subject><subject>Arthrometry, Articular - economics</subject><subject>Arthrometry, Articular - instrumentation</subject><subject>Articular goniometry</subject><subject>Biological and medical sciences</subject><subject>Electricity</subject><subject>Equipment Failure</subject><subject>Female</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Humans</subject><subject>Joint range of motion</subject><subject>Joints - physiology</subject><subject>Male</subject><subject>Middle Aged</subject><subject>Movement</subject><subject>Radiology</subject><subject>Regression analysis</subject><subject>Transducers</subject><subject>Vertebrates: body movement. Posture. Locomotion. Flight. Swimming. Physical exercise. 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| ispartof | Medical engineering & physics, 2011-06, Vol.33 (5), p.546-552 |
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| source | MEDLINE; Elsevier ScienceDirect Journals Complete |
| subjects | Adult Applied kinesiology Arthrometry, Articular - economics Arthrometry, Articular - instrumentation Articular goniometry Biological and medical sciences Electricity Equipment Failure Female Fundamental and applied biological sciences. Psychology Humans Joint range of motion Joints - physiology Male Middle Aged Movement Radiology Regression analysis Transducers Vertebrates: body movement. Posture. Locomotion. Flight. Swimming. Physical exercise. Rest. Sports Young Adult |
| title | A durable, low-cost electrogoniometer for dynamic measurement of joint trajectories |
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