Ageing and joint position sense of the asymptomatic shoulder: An observational study

Timon H. Geurkink*, Celeste L. Overbeek, Perla J. Marang-van de Mheen, Jochem Nagels, Rob G.H.H. Nelissen, Jurriaan H. de Groot

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

Abstract

Purpose: This study aimed to quantify the extent to which age was associated with joint position sense (JPS) of the asymptomatic shoulder as measured by joint position reproduction (JPR) tasks and assess the reproducibility of these tasks. Methods: 120 Asymptomatic participants aged 18–70 years each performed 10 JPR-tasks. Both contralateral and ipsilateral JPR-tasks were evaluated on accuracy of JPR under active- and passive conditions at two levels within the shoulder forward flexion trajectory. Each task was performed three times. In a subgroup of 40 participants, the reproducibility of JPR-tasks was assessed one week after initial measurement. Reproducibility of JPR-tasks was evaluated by both reliability (intra-class correlation coefficients (ICC's)) and agreement (standard error of measurement (SEM)) measures. Results: Age was not associated with increased JPR-errors for any of the contralateral or ipsilateral JPR-tasks. ICC's ranged between 0.63 and 0.80 for contralateral JPR-tasks, and from 0.32 to 0.48 for ipsilateral tasks, except for one ipsilateral task where the reliability was similar to contralateral tasks (0.79). The SEM was comparable and small for all JPR-tasks, ranging between 1.1 and 2.1. Conclusion: No age-related decline in JPS of the asymptomatic shoulder was found, and good agreement between test and re-test measurements for all JPR-tasks as indicated by the small SEM.
Original languageEnglish
Article number102792
JournalJournal of Electromyography and Kinesiology
Volume71
DOIs
Publication statusPublished - 2023
Externally publishedYes

Keywords

  • Ageing
  • Joint position reproduction
  • Joint position sense
  • Proprioception
  • Reproducibility
  • Shoulder

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