Corpus ID: 49430103

Smartphone Acquisition and Online Visualization of IMU and EMG Sensor Data for Assessment of Wrist Load

  title={Smartphone Acquisition and Online Visualization of IMU and EMG Sensor Data for Assessment of Wrist Load},
  author={Axel Hult and D. Chang},
Work-related musculoskeletal disorders constitutes a substantial burden for society, generating individual suffering and financial costs. Quantifying the musculoskeletal stress and establishing exp ... 


Data glove embedded with 9-axis IMU and force sensing sensors for evaluation of hand function
The proposed data glove system enables hand movement to be tracked in real-time and can be used to obtain useful parameters for physicians, is an efficient tool for evaluating the hand function of patients, and can improve the quality of hand rehabilitation. Expand
Experimental evaluation of indoor magnetic distortion effects on gait analysis performed with wearable inertial sensors.
The effects of magnetic field distortion were limited to the transverse plane of each joint and to the frontal plane of the ankle, and Sagittal plane values showed sufficient repeatability moving from outdoors to indoors. Expand
Measurements of wrist and forearm positions and movements: effect of, and compensation for, goniometer crosstalk.
Considering wrist/hand exposure in epidemiologic studies, as well as for establishing and surveillance of exposure limits for prevention of work-related upper extremity musculoskeletal disorders, the crosstalk error can be disregarded. Expand
Ambulatory measurement of 3D knee joint angle.
A simple method based on a leg movement is proposed here to align two inertial measurement units fixed on the thigh and shank segments and the three-dimentional knee joint angle is measured and compared with a magnetic motion capture system during walking. Expand
Sampling rate effects on surface EMG timing and amplitude measures.
Overampling is unnecessary to gather typical amplitude and timing measures from the surface electromyographic signal, and results of previous studies need not be outright dismissed because of minor undersampling violations or the lack of an anti-aliasing filter. Expand
Filtering the surface EMG signal: Movement artifact and baseline noise contamination.
The analysis established the relationship between the attenuation rates of the movement artifact and the sEMG signal as a function of the filter band pass, and a Butterworth filter with a corner frequency of 20 Hz and a slope of 12 dB/oct is recommended for general use. Expand
Pathophysiological tissue changes associated with repetitive movement: a review of the evidence.
The authors describe a model using albino rats and present evidence related to tissue injury and inflammation due to a highly repetitive reaching task and a conceptual schematic for WMSD development. Expand
Automatic anatomical calibration for IMU-based elbow angle measurement in disturbed magnetic fields
Abstract Inertial Measurement Units (IMUs) are increasingly used for human motion analysis. However, two major challenges remain: First, one must know precisely in which orientation the sensor isExpand
Estimating Three-Dimensional Orientation of Human Body Parts by Inertial/Magnetic Sensing
This paper reviews the main sensor fusion and filtering techniques proposed for accurate inertial/magnetic orientation tracking of human body parts and gives useful recipes for their actual implementation. Expand
Estimating Orientation Using Magnetic and Inertial Sensors and Different Sensor Fusion Approaches: Accuracy Assessment in Manual and Locomotion Tasks
Accuracy improved mostly for heading and when the movement exhibited stationary phases, evenly distributed 3D rotations, it occurred in a small volume, and its duration was greater than approximately 20 s. Expand