Test-retest reliability of an endurance test for hand grip movements

P. Capodaglio, R. Maestri, G. Gattelli, G. Bazzini

Research output: Contribution to journalArticlepeer-review


The aim of this paper was to assess the reproducibility of a new endurance test for hand grip movements. On six occasions separated by at least 3 days, 30 healthy subjects performed six maximal endurance tests in two different positions with a hand grip tool attached to an isokinetic dynamometer. The test consisted of repeated maximal grip movements (1-minute bouts for men subjects and 30-second bouts for women) at an angular velocity of 45°/sec. A custom-made PC programme was used to collect data on peak torque and mechanical work, and to provide the following parameters: basal torque, basal work, time until basal values fell to 20, 30 and 50% of the initial peak values, slopes of decay of torque and work over time. The intraclass correlation coefficient (ICCC) was then computed to assess the reproducibility of the parameters obtained during the tests. An 'almost perfect' (0.8 <ICCC = 1) reproducibility of the basal torque values in both positions and a 'substantial' (0.6 <ICCC = 0.8) or 'almost perfect' reproducibility of the slope values referred to the torque decay over time was observed. Feasible applications of this new endurance test in the rehabilitation setting have been discussed.

Original languageEnglish
Pages (from-to)125-129
Number of pages5
JournalEuropa Medicophysica
Issue number3
Publication statusPublished - 1996


  • endurance
  • hand grip
  • isokinetics
  • rehabilitation

ASJC Scopus subject areas

  • Rehabilitation


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