Ambulatory assessment of shoulder abduction strength curve using a single wearable inertial sensor

Pietro Picerno, Valerio Viero, Marco Donati, Tamara Triossi, Virginia Tancredi, Giovanni Melchiorri

Research output: Contribution to journalArticle

Abstract

The aim of the present article was to assess the reli­ability of strength curves as determined from tridimensional linear accelerations and angular velocities measured by a sin­gle inertial measurement unit (IMU) fixed on the upper arm during a shoulder abduction movement performed holding a 1 kg dumbbell in the hand. Within-subject repeatability of the task was assessed on 45 subjects performing four trials consist­ing of one maximal shoulder abduction-adduction movement. Intraclass correlation coefficient (ICC) was computed on the average movement angular velocity (VEL) and range of move­ment (ROM) across the four trials. Within-subject repeatability of torque curves was assessed in terms of waveform similari­ties by computing the coefficient of multiple determination (CMD). Accuracy of the estimated ROM was assessed using an isokinetic dynamometer. High ICC values of ROM (0.955) and VEL (0.970) indicated a high within-subject repeatability of the task. A high waveform similarity of torque curves was also found between trials (CMD = 0.867). Accuracy with respect to isokinetic dynamometer in estimating ROM was always

Original languageEnglish
Pages (from-to)171-180
Number of pages10
JournalJournal of Rehabilitation Research and Development
Volume52
Issue number2
DOIs
Publication statusPublished - 2015

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Torque
Arm
Hand

Keywords

  • Accelerometers
  • Biomechanics
  • Gyroscopes
  • Inertial sensors
  • Injury recovery
  • Isoinertial
  • Joints
  • Rehabilitation
  • Shoulder abduction
  • Strength curves

ASJC Scopus subject areas

  • Rehabilitation

Cite this

Ambulatory assessment of shoulder abduction strength curve using a single wearable inertial sensor. / Picerno, Pietro; Viero, Valerio; Donati, Marco; Triossi, Tamara; Tancredi, Virginia; Melchiorri, Giovanni.

In: Journal of Rehabilitation Research and Development, Vol. 52, No. 2, 2015, p. 171-180.

Research output: Contribution to journalArticle

Picerno, Pietro ; Viero, Valerio ; Donati, Marco ; Triossi, Tamara ; Tancredi, Virginia ; Melchiorri, Giovanni. / Ambulatory assessment of shoulder abduction strength curve using a single wearable inertial sensor. In: Journal of Rehabilitation Research and Development. 2015 ; Vol. 52, No. 2. pp. 171-180.
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