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Exercise studies with elderly volunteers

C A Greig1, A Young, D A Skelton

  • 1University Department of Geriatric Medicine, Royal Free Hospital School of Medicine, London.

Age and Ageing
|May 1, 1994
PubMed
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Conducting exercise studies with older adults requires careful planning for recruitment and participant safety. This research details methods and offers criteria for reliable strength and cardiorespiratory measurements in the elderly.

Area of Science:

  • Gerontology
  • Exercise Physiology
  • Clinical Research Methodology

Background:

  • Exercise studies involving elderly populations present unique logistical challenges.
  • Previous literature lacks detailed descriptions of practical considerations for such research.

Purpose of the Study:

  • To outline practical methodologies for conducting exercise studies with elderly and very elderly individuals.
  • To provide guidance on recruitment, selection criteria, and measurement techniques for older adult exercise research.

Main Methods:

  • Described experience in volunteer recruitment and application of selection/exclusion criteria for safety and homogeneity.
  • Detailed methods for measuring strength (handgrip, isometric knee extension/elbow flexion), power (lower limb extensor), and cardiorespiratory responses (treadmill ergometry).

Related Experiment Videos

  • Calculated coefficients of variation (CV) for repeated measures in healthy subjects in their seventies and eighties.

    • Main Results:

    • Coefficients of variation (CV) for repeated strength/power measures in seventies: handgrip (3%), isometric knee extension (6%), isometric elbow flexion (6%), lower limb extensor power (9%).
    • CV for isometric knee extension in eighties: 4%.
    • CV for heart rate during treadmill tests at specific oxygen consumptions: 4% (10 ml.kg-1.min-1) and 7% (15 ml.kg-1.min-1).

    Conclusions:

    • Established reliable measurement protocols for strength, power, and cardiorespiratory function in older adults.
    • Highlighted the need for adequate budgeting for prolonged recruitment and participant transport (e.g., taxis).
    • Advocated for international consensus on selection and exclusion criteria for exercise studies in the elderly.