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This article and any supplementary material should be cited as follows: Picerno P, Viero V, Donati M, Triossi T, Tancredi V, Melchiorri G. Ambulatory assessment of shoulder abduction strength curve using a single wearable inertial sensor. J Rehabil Res Dev. 2015;52(2):XX–XX. Slideshow Project DOI: /JRRD JSP Method 45 men and women without previous/current shoulder impairment and not involved in professional sports participated. Seated subjects performed 1 consecutive shoulder abduction-adduction movement while holding 1 kg dumbbell. Strength curve relative to shoulder abduction movement was assessed using wireless IMU fixed to upper arm.
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This article and any supplementary material should be cited as follows: Picerno P, Viero V, Donati M, Triossi T, Tancredi V, Melchiorri G. Ambulatory assessment of shoulder abduction strength curve using a single wearable inertial sensor. J Rehabil Res Dev. 2015;52(2):XX–XX.http://dx.doi.org/10.1682/JRRD.2014.06.0146
Slideshow ProjectDOI:10.1682/JRRD.2014.06.0146JSP
Ambulatory assessment of shoulder abduction strength curve using a
single wearable inertial sensorPietro Picerno, PhD; Valerio Viero, MSc; Marco Donati, PhD;
Tamara Triossi, MSc; Virginia Tancredi, PhD; Giovanni Melchiorri, PhD
This article and any supplementary material should be cited as follows: Picerno P, Viero V, Donati M, Triossi T, Tancredi V, Melchiorri G. Ambulatory assessment of shoulder abduction strength curve using a single wearable inertial sensor. J Rehabil Res Dev. 2015;52(2):XX–XX.http://dx.doi.org/10.1682/JRRD.2014.06.0146
Slideshow ProjectDOI:10.1682/JRRD.2014.06.0146JSP
• Aim– Assess reliability of using a single inertial
measurement unit (IMU) for determining strength curves during isoinertial exercises.
• Relevance– Strength curves have typically been measured with
isometric and isokinetic dynamometers, which are expensive and cumbersome for clinicians.
This article and any supplementary material should be cited as follows: Picerno P, Viero V, Donati M, Triossi T, Tancredi V, Melchiorri G. Ambulatory assessment of shoulder abduction strength curve using a single wearable inertial sensor. J Rehabil Res Dev. 2015;52(2):XX–XX.http://dx.doi.org/10.1682/JRRD.2014.06.0146
Slideshow ProjectDOI:10.1682/JRRD.2014.06.0146JSP
Method• 45 men and women without previous/current
shoulder impairment and not involved in professional sports participated.
• Seated subjects performed 1 consecutive shoulder abduction-adduction movement while holding 1 kg dumbbell.
• Strength curve relative to shoulder abduction movement was assessed using wireless IMU fixed to upper arm.
This article and any supplementary material should be cited as follows: Picerno P, Viero V, Donati M, Triossi T, Tancredi V, Melchiorri G. Ambulatory assessment of shoulder abduction strength curve using a single wearable inertial sensor. J Rehabil Res Dev. 2015;52(2):XX–XX.http://dx.doi.org/10.1682/JRRD.2014.06.0146
Slideshow ProjectDOI:10.1682/JRRD.2014.06.0146JSP
Results
• High intraclass correlation coefficient values for range of motion and angular velocity.– Indicates high within-subject repeatability of task.
• High waveform similarity of torque curves between trials.
• With respect to isokinetic dynamometer, high IMU accuracy in estimating range of motion.– Error always <1.
This article and any supplementary material should be cited as follows: Picerno P, Viero V, Donati M, Triossi T, Tancredi V, Melchiorri G. Ambulatory assessment of shoulder abduction strength curve using a single wearable inertial sensor. J Rehabil Res Dev. 2015;52(2):XX–XX.http://dx.doi.org/10.1682/JRRD.2014.06.0146
Slideshow ProjectDOI:10.1682/JRRD.2014.06.0146JSP
Conclusion
• A single wearable IMU can effectively assess strength curves during isoinertial movements.
• Clinicians could easily apply this method in ambulatory settings and, hence, use it as routine diagnostic tool for assessing functional joint recovery.
