The quality of physical activity guidelines, but not the specificity of their recommendations, has improved over time: A systematic review and critical appraisal

Madelin R. Siedler, Priscila Lamadrid, Megan N. Humphries, Reem A. Mustafa, Yngve Falck-Ytter, Philipp Dahm, Shahnaz Sultan, M. Hassan Murad, Rebecca L. Morgan

Research output: Contribution to journalReview articlepeer-review

Abstract

While numerous guidelines for the prescription of physical activity are released each year, the quality and practicability of these guidelines is unknown. We assessed the quality of 95 guidance documents published since 2000 that included recommendations about physical activity for the promotion of general health and prevention of cardiometabolic disease. We used 3 tools: Appraisal of Guidelines for Research and Evaluation (AGREE II), the National Academy of Medi-cine’s (NAM) Standards for Trustworthy Clinical Practice Guidelines, and the Frequency, Intensity, Time, and Type (FITT) score. Average AGREE II domain scores ranged from 38% 84%, and the portion of criteria fulfilled per NAM domain ranged from 7%–39%. The average FITT score for all recommendations was 2.48 out of 4. While guidelines improved according to both AGREE II and the NAM standards over time, their practicability as assessed by FITT score did not improve. Guidelines produced by governmental agencies or other nonprofit organizations, using the Grading of Recommendations Assessment, Development, and Evaluation (GRADE) approach, or fulfilling a higher number of NAM criteria tended to be of higher quality. Organizations producing physical activity guidelines can improve their quality by establishing and reporting processes for public representation, external review, and conflict of interest (COI) management. Future recommendations about physical activity should be more specific and include strategies to improve implementation. Registration no.: PROSPERO CRD42019126364. Novelty: Most physical activity recommendations are not sufficiently specific to be practically implemented. The overall quality of guidelines has improved over time, but the specificity of recommendations has not. Improved public representation, external review, and COI disclosure and management processes would improve guideline quality.

Original languageEnglish (US)
Pages (from-to)34-45
Number of pages12
JournalApplied Physiology, Nutrition and Metabolism
Volume46
Issue number1
DOIs
StatePublished - 2021

Keywords

  • Adults
  • Aerobic activity
  • AGREE II
  • Critical appraisal
  • Elderly
  • Pregnancy
  • Resistance training
  • Youth

ASJC Scopus subject areas

  • Endocrinology, Diabetes and Metabolism
  • Physiology
  • Nutrition and Dietetics
  • Physiology (medical)

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