Evidence map›Paper›PMID 28657123›Full record

ReviewThe Journal of physiology2018

The role of skeletal muscle contractile duration throughout the whole day: reducing sedentary time and promoting universal physical activity in all people.

Marc T Hamilton

Abstract readReview
In one paragraph

Review in The Journal of physiology, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 38 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
38citing papers in PubMed, 1 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

38 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
  2. Successfully Reducing Sitting Time Can Improve Metabolic Flexibility.Scandinavian journal of medicine & science in sports · 2025
    Trial
  3. Trial
  4. Article
  5. Impact of nutrition on long COVID.Sports medicine and health science · 2026
    Review
  6. Article
  7. Article
  8. Sedentary Time and Breast Cancer Risk in the Sister Study Cohort.Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology · 2025
    Article
  9. Review
  10. Review
  11. Mechanisms Underlying the Rarity of Skeletal Muscle Cancers.International journal of molecular sciences · 2024
    Review
  12. Article
  13. Article
  14. Article
  15. Article
  16. The Effect of Breaking Up Sedentary Time with Calisthenics on Neuromuscular Function: A Preliminary Study.International journal of environmental research and public health · 2022
    Article
  17. Article
  18. Article
  19. Article
  20. Sedentary lifestyle and body composition in type 2 diabetes.Diabetology & metabolic syndrome · 2022
    Article
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

1 author.

Marc T HamiltonTexas Obesity Research Center, Health and Human Performance, UH-Central, Houston, TX, USA.ORCID 0000-0003-0982-7859

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

A shared goal of many researchers has been to discover how to improve health and prevent disease, through safely replacing a large amount of daily sedentary time with physical activity in everyone, regardless of age and current health status. This involves contrasting how different muscle contractile activity patterns regulate the underlying molecular and physiological responses impacting health-related processes. It also requires an equal attention to behavioural feasibility studies in extremely unfit and sedentary people. A sound scientific principle is that the body is constantly sensing and responding to changes in skeletal muscle metabolism induced by contractile activity. Because of that, the rapid time course of health-related responses to physical inactivity/activity patterns are caused in large part directly because of the variable amounts of muscle inactivity/activity throughout the day. However, traditional modes and doses of exercise fall far short of replacing most of the sedentary time in the modern lifestyle, because both the weekly frequency and the weekly duration of exercise time are an order of magnitude less than those for people sitting inactive. This can explain why high amounts of sedentary time produce distinct metabolic and cardiovascular responses through inactivity physiology that are not sufficiently prevented by low doses of exercise. For these reasons, we hypothesize that maintaining a high metabolic rate over the majority of the day, through safe and sustainable types of muscular activity, will be the optimal way to create a healthy active lifestyle over the whole lifespan.

Indexed as

ExerciseMuscle ContractionEnergy MetabolismHumansMuscle, SkeletalSedentary Behaviormetabolic regulationmuscle activityskeletal muscle

Identifiers

PMID28657123
PMCPMC5899982

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.