Volume 14, Issue 7 (2021) Digital Health, Physical Activity and Epidemiology

Original Research


Lumbar Multifidus Muscle Thickness During Graded Quadruped And Prone Exercises
Konstantinos Dafkou, Eleftherios Kellis, Athanasios Ellinoudis, and Chrysostomos Sahinis


Ordinal Statistical Models of Physical Activity Levels from Accelerometer Data
Shafayet S. Hossain, Drew M. Lazar, and Munni Begum


The 6-week Effects of HIIT on Biomarkers of Tissue and Oxidative Damage in Wistar Rats Previously Supplemented with Pyridoxine
Jéssica Danielle Matos, Felipe J. Aidar, Dihogo Gama de Matos, José Uilien de Oliveira, Ailton Santos Sena Júnior, Jymmys Lopes dos Santos, Anderson Carlos Marçal, and Silvan Silva de Araújo


An Assessment of Mobile Applications Designed to Address Physical Activity During Pregnancy and Postpartum
Rachel A. Tinius, Mackenzie Polston, Hannah Bradshaw, Paula Ashley, Ashley Greene, and Angel Parker


Validity and Test-retest Reliability of the Jumpo App for Jump Performance Measurement
Amilton Vieira, Anthony J. Blazevich, Alexandre Souza da Costa, James J. Tufano, and Martim Bottaro


Effects of Resistance Training on Muscle Quality Index, Muscle Strength, Functional Capacity, and Serum Immunoglobulin Levels between Obese and Non-obese Older Women
Paulo Silva, Dahan da Cunha Nascimento, Ivo Vieira de Sousa Neto, Silvana Funghetto, Ramires Tibana, James W. Navalta, Fabiani Beal, and Jonato Prestes


The Effect of Compression Socks on Maximal Exercise Performance and Recovery in Insufficiently Active Adults
Alexander H.K. Montoye, Alexandra A. Mithen, Haven L. Westra, Summer S. Besteman, and Brian C. Rider


Reduced Injury Prevalence in Soccer Athletes Following GPS Guided Acclimatization
Montgomery Bertschy, Jeffrey Howard, Sakiko Oyama, and Kelly Cheever


The Effect of Rest Interval Length on Upper and Lower Body Exercises in Resistance-Trained Females
Desmond J. Millender, Zachary A. Mang, Jason R. Beam, Rogelio A. Realzola, and Leonard Kravitz


T. Scott Lyons, PhD, FACSM
University of North Alabama

Executive Editors

James W. Navalta, PhD, FACSM
University of Nevada - Las Vegas
Whitley Stone, PhD
Western Kentucky University

Editor Emeritus

Brian K. McFarlin, PhD, FACSM
University of North Texas
View Full Editorial Board


Scopus Cite Score: 1.16

H-index: 12


The International Journal of Exercise Science is indexed by the following services:

PubMed Central



Google Scholar

There is a fee to be indexed in PubMed Central. Beginning November 1, 2023, authors agree to pay the following indexing fee if the article is accepted for publication: $499USD. There are no fees for submission.