Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Salivary IgA response to intermittent and continuous exercise.

V Sari-Sarraf1, T Reilly, D A Doran

  • 1Research Institute for Sport and Exercise Sciences, Henry Cotton Campus, Liverpool John Moores University, Liverpool, England.

International Journal of Sports Medicine
|April 6, 2006
PubMed
Summary

Soccer-specific intermittent exercise did not alter immune function markers like salivary IgA or cortisol compared to continuous exercise. This suggests similar impacts on illness susceptibility between the two exercise types.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

MSKI reduction strategies: evidence-based interventions to reduce musculoskeletal injuries in military service members.

BMJ military health·2024
Same author

Are military fitness tests safe for members with a total hip arthroplasty?

BMJ military health·2023
Same author

The novel Mechanical Ventilator Milano for the COVID-19 pandemic.

Physics of fluids (Woodbury, N.Y. : 1994)·2021
Same author

Reply to: Letter to the Editor: Sodium nitroprusside for schizophrenia: could methodological variables account for the different results obtained?

Psychological medicine·2017
Same author

The influence of anthropometrics on physical employment standard performance.

Occupational medicine (Oxford, England)·2016
Same author

Ethics and health promotion practice: exploring attitudes and practices in Western Australian health organisations.

Health promotion journal of Australia : official journal of Australian Association of Health Promotion Professionals·2016

Area of Science:

  • Exercise Physiology
  • Immunology
  • Sports Science

Background:

  • Intense exercise may increase, while moderate exercise may decrease, susceptibility to illness, particularly upper respiratory tract infections.
  • Salivary immunoglobulin A (s-IgA) and cortisol concentrations are potential biomarkers for monitoring immune function changes.
  • The impact of different exercise modalities on immune markers requires further investigation.

Purpose of the Study:

  • To compare the effects of soccer-specific intermittent exercise versus continuous exercise on salivary IgA and cortisol responses in healthy males.
  • To determine if exercise type, at the same average work-rate and duration, influences immune function markers.
  • To assess potential differences in illness susceptibility based on exercise modality.

Main Methods:

Related Experiment Videos

  • Eight healthy males participated in a randomized, counterbalanced study involving two exercise trials (intermittent vs. continuous) separated by one week.
  • Exercise sessions were conducted on a motorized treadmill at the same average work-rate and duration, with diet and activity standardized.
  • Unstimulated saliva samples were collected at multiple time points: pre-exercise, during exercise (half-time), immediately post-exercise, and at 6, 24, and 48 hours post-exercise.

Main Results:

  • No significant differences were found in heart rate between intermittent and continuous exercise conditions.
  • The rating of perceived exertion was significantly higher during intermittent exercise compared to continuous exercise.
  • Salivary IgA and cortisol responses, including secretion rates and concentrations, did not differ significantly between the two exercise protocols. Saliva flow rate decreased and osmolality increased significantly across all time points.

Conclusions:

  • Soccer-specific intermittent exercise does not suppress salivary IgA or alter cortisol secretion compared to continuous exercise performed at the same work-rate.
  • The findings suggest that both exercise types, under these conditions, may have comparable effects on immune function markers related to illness susceptibility.
  • Further research is needed to fully elucidate the nuanced relationship between exercise modality and immune response.