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Objective Metrics for Functional Evaluation of Upper Limb during the ADL of Drinking: Application in SCI

  • A. de los Reyes-Guzmán
  • I. Dimbwadyo-Terrer
  • S. Pérez-Nombela
  • F. Trincado
  • D. Torricelli
  • A. Gil-Agudo
Part of the IFMBE Proceedings book series (IFMBE, volume 41)

Abstract

Three-dimensional kinematic analysis provides quantitative assessment of upper limb motion and is used as an outcome measure to evaluate movement disorders. The aim of the present study is to present a set of kinematic metrics for quantifying characteristics of movement performance and the functional status of the subject during the execution of the activity of daily living (ADL) of drinking from a glass. Then, the objective is to apply these metrics in healthy people and a population with cervical spinal cord injury (SCI), and to analyze the metrics ability to discriminate between healthy and pathologic people. 19 people participated in the study: 7 subjects with metameric level C6 tetraplegia, 4 subjects with metameric level C7 tetraplegia and 8 healthy subjects. The movement was recorded with a photogrammetry system. The ADL of drinking was divided into a series of clearly identifiable phases to facilitate analysis. Metrics describing the time of the reaching phase, the range of motion of the joints analyzed, and characteristics of movement performance such as the efficiency, accuracy and smoothness of the distal segment and inter-joint coordination were obtained. The performance of the drinking task was more variable in people with SCI compared to the control group in relation to the metrics measured. Reaching time was longer in SCI groups. The proposed metrics showed capability to discriminate between healthy and pathologic people. Relative deficits in efficiency were larger in SCI people than in controls. These metrics can provide useful information in a clinical setting about the quality of the movement performed by healthy and SCI people during functional activities.

Keywords

Metrics Kinematic Assessment Upper limb Activities of Daily Living 

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Copyright information

© Springer International Publishing Switzerland 2014

Authors and Affiliations

  • A. de los Reyes-Guzmán
    • 1
  • I. Dimbwadyo-Terrer
    • 1
  • S. Pérez-Nombela
    • 1
  • F. Trincado
    • 1
  • D. Torricelli
    • 2
  • A. Gil-Agudo
    • 1
  1. 1.Biomechanics and Technical Aids Department. National Hospital for Spinal Cord Injury (SESCAM)ToledoSpain
  2. 2.Centro de Automática y Robótica, Consejo Superior de Investigaciones Científicas, Arganda del ReyMadridSpain

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