Special Topics
Special topic on School-based physical activity and wellness
The pulse of recent research on school-based physical activity and wellness
Senlin Chen, Richard R. Rosenkranz………………..p. 1–2
A mixed-studies systematic review and meta-analysis of school-based interventions to promote physical activity and/or reduce sedentary time in children
Michelle Jones, Emmanuel Defever, Ayland Letsinger, James Steele, Kelly A Mackintosh………………………..p. 3–17
The potential of a year-round school calendar for maintaining children's weight status and fitness: Preliminary outcomes from a natural experiment
R. Glenn Weaver, Ethan Hunt, Aaron Rafferty, Michael W. Beets, Keith Brazendale, Gabrielle Turner-McGrievy, Russell R. Pate, Alberto Maydeu-Olivares, Brian Saelens, Shawn Youngstedt………………………………..p. 18–27
Adolescents’ perspectives on a school-based physical activity intervention: A mixed method study
Stephanie T. Jong, Caroline H.D. Croxson, Cornelia Guell, Emma R. Lawlor, Campbell Foubister, Helen E. Brown, Emma K. Wells, Paul Wilkinson, Anna Vignoles, Esther M.F. van Sluijs, Kirsten Corder……………p. 28–40
Implementing physically active learning: Future directions for research, policy, and practice
Andy Daly-Smith, Thomas Quarmby, Victoria S. J. Archbold, Ash C. Routen, Jade L. Morris, Catherine Gammon, John B. Bartholomew, Geir Kåre Resaland, Bryn Llewellyn, Richard Allman, Henry Dorling………………….p. 41–49
What do teachers see? Perceptions of school-time physical activity programs on student behavior
Jennifer M. Sacheck, Catherine M. Wright………..p. 50–52
Special Topic on Obesity, exercise, and the gut microbiota
Reflections on obesity, exercise, and musculoskeletal health
Walter Herzog………………………………p. 108–109
Gut microbiota and obesity: Impact of antibiotics and prebiotics and potential for musculoskeletal health
Teja Klancic, Raylene A. Reimer………………p. 110–118
Correlation network analysis shows divergent effects of a long-term, high-fat diet and exercise on early stage osteoarthritis phenotypes in mice
Timothy M. Griffin, Albert Batushansky, Joanna Hudson, Erika Barboza Prado Lopes……………………p. 119–131
Impact of age on host responses to diet-induced obesity: Development of joint damage and metabolic set points
Kelsey H. Collins, Graham Z. MacDonald, David A. Hart, Ruth A. Seerattan, Jaqueline L. Rios, Raylene A. Reimer, Walter Herzog………………………………p. 132–139
Effects of obesity on breast size, thoracic spine structure and function, upper torso musculoskeletal pain and physical activity in women
Julie R. Steele, Celeste E. Coltman, Deirdre E. McGhee…………………………p. 140–148
Special topic on Physical activity during the COVID-19 global pandemic
Physical activity during the coronavirus disease-2019 global pandemic
Barbara E. Ainsworth, Fuzhong Li……………p. 291–292
Coronavirus disease-2019: A tocsin to our aging, unfit, corpulent, and immunodeficient society
David C. Nieman……………………………p. 293–301
Projecting the impact of the coronavirus disease-2019 pandemic on childhood obesity in the United States: A microsimulation model
Ruopeng An…………………………………p. 302–312
Canadian children's and youth's adherence to the 24-h movement guidelines during the COVID-19 pandemic: A decision tree analysis
Michelle D. Guerrero, Leigh M. Vanderloo, Ryan E. Rhodes, Guy Faulkner, Sarah A.Moore, Mark S. Tremblay…p. 313–321
Returning Chinese school-aged children and adolescents to physical activity in the wake of COVID-19: Actions and precautions
Peijie Chen, Lijuan Mao, George P. Nassis, Peter Harmer, Barbara E.Ainsworth, Fuzhong Li……………p. 322–324
Physical activity recommendations during the coronavirus disease-2019 virus outbreak
Gregor Jurak, Shawnda A. Morrison, Bojan Leskošek, Marjeta Kovač, Vedran Hadžić, Janez Vodičar, Polonca Truden, Gregor Starc…………………p. 325–327
An international physical activity and public health research agenda to inform coronavirus disease-2019 policies and practices
James F. Sallis, Deepti Adlakha, Adewale Oyeyemi, Deborah Salvo………………………………p. 328–334
Special topic on Exercise and oxidative stress
Introduction to special topic on exercise and oxidative stress
Zsolt Radak, Scott K. Powers………………………p. 385
The role of mitochondria in redox signaling of muscle homeostasis
Li Li Ji, Dongwook Yeo, Chounghun Kang, Tianou Zhang…………………………………p. 386-393
Physical exercise in the prevention and treatment of Alzheimer's disease
Adrian De la Rosa, Gloria Olaso-Gonzalez, Coralie Arc-Chagnaud, Fernando Millan, Andrea Salvador-Pascual, Consolacion García-Lucerga, Cristina Blasco-Lafarga, Esther Garcia-Dominguez, Aitor Carretero, Angela G.Correas, Jose Viña, Mari Carmen Gomez-Cabrera……………p. 394–404
The roles of microRNA in redox metabolism and exercise-mediated adaptation
Ferenc Torma, Zoltan Gombos, Matyas Jokai, Istvan Berkes, Masaki Takeda, Tatsuya Mimura, Zsolt Radak, Ferenc Gyori…………………………………p. 405–414
Exercise-induced oxidative stress: Friend or foe?
Scott K. Powers, Rafael Deminice, Mustafa Ozdemir, Toshinori Yoshihara, Matthew P. Bomkamp, Hayden Hyatt……p. 415-425
Regular Papers
Interview
Should, and how can, exercise be done during a coronavirus outbreak? An interview with Dr. Jeffrey A. Woods
Weimo Zhu…………………………………p. 105–107
Letters
Reply to “Is physical performance (in mice) increased by Veillonella atypica or decreased by Lactobacillus bulgaricus?”
Aleksandar D. Kostic…………………………p. 201–202
Team sport, power, and combat athletes are at high genetic risk for coronavirus disease-2019 severity
Ildus I. Ahmetov, Oleg V. Borisov, Ekaterina A. Semenova, Oleg N. Andryushchenko, Liliya B. Andryushchenko, Edward V. Generozov, Craig Pickering…………p. 430–431
The bold sedentary behavior recommendations in the new Canadian guidelines: are they evidence-based? Response to “Sedentary Behavior Research Network members support new Canadian 24-Hour Movement Guideline recommendations”
Emmanuel Stamatakis, Adrian E. Bauman………p. 482–484
Opinions
Coronavirus disease (COVID-19): The need to maintain regular physical activity while taking precautions
Peijie Chen, Lijuan Mao, George P. Nassis, Peter Harmer, Barbara E. Ainsworth, Fuzhong Li……………p. 103–104
Why have youth physical activity trends flatlined in the last decade? Opinion piece on “Global trends in insufficient physical activity among adolescents: a pooled analysis of 298 population-based surveys with 1.6 million participants” by Guthold et al.
Greet Cardon, Jo Salmon……………………p. 335–338
Epidemic-specific social capital and its impact on physical activity and health status
Yanjie Bian…………………………………p. 426–429
Linking Esports to health risks and benefits: Current knowledge and future research needs
Keyi Yin, Yahua Zi, Wei Zhuang, Yang Gao, Yao Tong, Linjie Song, Yu Liu……………………………p. 485–488
Are we really “screening” movement? The role of assessing movement quality in exercise settings
Hunter Bennett, John Arnold, Kevin Norton, Kade Davison………………………………p. 489–492
Commentaries
A clash of fundamental assumptions: Can/should we measure physical literacy?
Ang Chen……………………………………p. 149–151
Is physical performance (in mice) increased by Veillonella atypica or decreased by Lactobacillus bulgaricus?
Manuel Fernández-Sanjurjo, Javier Fernández, Cristina Tomás-Zapico, Benjamín Fernández-García, Claudio J. Villar, Felipe Lombó, Eduardo Iglesias-Gutiérrez……………p. 197–200
Commentary on “The tortuous path of lactate shuttle discovery: From cinders and boards to the lab and ICU”
Scott K. Powers……………………………………p. 461
Sedentary Behavior Research Network members support new Canadian 24-Hour Movement Guideline recommendations
Mark S. Tremblay, Scott Rollo, Travis J. Saunders…p. 479–481
Reviews
Impacts of exercise interventions on different diseases and organ functions in mice
Shanshan Guo, Yiru Huang, Yan Zhang, He Huang, Shangyu Hong, Tiemin Liu………………………p. 53–73
Updated overview on interplay between physical exercise, neurotrophins, and cognitive function in humans
Giuseppe Lippi, Camilla Mattiuzzi, Fabian Sanchis-Gomar…………………………p. 74–81
Effects of blood flow restriction without additional exercise on strength reductions and muscular atrophy following immobilization: A systematic review
Mikhail Santos Cerqueira, José Diego Sales Do Nascimento, Daniel Germano Maciel, Jean Artur Mendonça Barboza, Wouber Hérickson De Brito Vieira………………p. 152–159
Exercise-mediated regulation of autophagy in the cardiovascular system
Lijun Wang, Jiaqi Wang, Dragos Cretoiu, Guoping Li, Junjie Xiao…………………………………p. 203–210
Impacts of exercise intervention on various diseases in rats
Ruwen Wang, Haili Tian, Dandan Guo, Qianqian Tian, TingYao, Xingxing Kong………………………p. 211–227
Exercise immunology: Future directions
David C. Nieman, Brandt D. Pence……………p. 432–445
The tortuous path of lactate shuttle discovery: From cinders and boards to the lab and ICU
George A. Brooks……………………………p. 446–460
The whole day matters: Understanding 24-hour movement guideline adherence and relationships with health indicators across the lifespan
Scott Rollo, Olga Antsygina, Mark S. Tremblay…p. 493–510
Application of network meta-analysis in the field of physical activity and health promotion
Xiwen Su, Daniel J. McDonough, Haitao Chu, Minghui Quan, Zan Gao………………………p. 511–520
Walking pace and the risk of stroke: a meta-analysis of prospective cohort studies
Minghui Quan, Pengcheng Xun, Ru Wang, Ka He, Peijie Chen…………………………………p. 521–529
Reasons why older adults play sport: A systematic review
Brad J. Stenner, Jonathan D. Buckley, Amber D. Mosewich…………………………p. 530–541
Association between fundamental motor skills and physical activity in the early years: A systematic review and meta-analysis
Dan Jones, Alison Innerd, Emma L. Giles, Liane B. Azevedo……………………………p. 542–552
Effect of citrulline on post-exercise rating of perceived exertion, muscle soreness, and blood lactate levels: A systematic review and meta-analysis
Hye ChangRhim, SungJong Kim, Jewel Park, Ki-MoJang…………………………………p. 553–561
Does exercise have a protective effect on cognitive function under hypoxia? A systematic review with meta-analysis
Myungjin Jung, Liye Zou, Jane JieYu, Seungho Ryu, Zhaowei Kong, Lin Yang, Minsoo Kang, Jingyuan Lin, Hong Li, Lee Smith, Paul D.Loprinzi……………p. 562–577
Original articles
Exercise induces tissue hypoxia and HIF-1α redistribution in the small intestine
Die Wu, Wei Cao, Dao Xiang, Yi-Ping Hu, Beibei Luo, Peijie Chen……………………………………p. 82–89
Modeling the dose–response rate/associations between VO2max and self-reported Physical Activity Questionnaire in children and adolescents
Alan M. Nevill, Michael J. Duncan, Gavin Sandercock……p. 90–95
The relationship between pain and associated characteristics of chronic ankle instability: A retrospective study
Saeed Al Adal, Martin Mackey, Fereshteh Pourkazemi, Claire E. Hiller………………………………p. 96–101
Analysis of doping control test results in individual and team sports from 2003 to 2015
Millán Aguilar-Navarro, Jesús Muñoz-Guerra, María del Mar Plara, Juan Del Coso…………p. 160–169
Physical activity levels in American and Japanese men from the ERA-JUMP Study and associations with metabolic syndrome
Naoko Sagawa, Bonny Rockette-Wagner, Koichiro Azuma, Hirotsugu Ueshima, Takashi Hisamatsu, Tomoko Takamiya, Aiman El-Saed, Katsuyuki Miura, Andrea Kriska, Akira Sekikawa………………………………p. 170–178
Segmented sedentary time and physical activity patterns throughout the week from wrist-worn ActiGraph GT3X+ accelerometers among children 7–12 years old
Gillian McLellan, Rosie Arthur, Samantha Donnelly, Duncan S. Buchan……………………………p. 179–188
Social correlates of sedentary behavior in young people: The UP&DOWN study
Verónica Cabanas-Sánchez, Laura García-Cervantes, Laura Esteban-Gonzalo, María José Girela-Rejón, JoséCastro-Piñero, Óscar L. Veiga………………p. 189–196
An evaluation of prevention initiatives by 53 national anti-doping organizations: Achievements and limitations
Katharina Gatterer, Matthias Gumpenberger, Marie Overbye, Bernhard Streicher, Wolfgang Schobersberger, Cornelia Blank…………………………………p. 228–239
Costs resulting from nonprofessional soccer injuries in Switzerland: A detailed analysis
Angela Gebert, Markus Gerber, Uwe Pühse, Philippe Gassmann, Hanspeter Stamm, Markus Lamprecht……………p. 240–247
Transition to forefoot strike reduces load rates more effectively than altered cadence
Erin E. Futrell, K. Douglas Gross, Darcy Reisman, David R. Mullineaux, Irene S. Davis……………p. 248–257
Increased Q-Factor increases frontal-plane knee joint loading in stationary cycling
Tanner Thorsen, Kelley Strohacker, Joshua T. Weinhandl, Songning Zhang………………………………p. 258–264
Longitudinal associations of physical activity and pubertal development with academic achievement in adolescents
Eero A. Haapala, Henna L. Haapala, Heidi Syväoja, Tuija H. Tammelin, Taija Finni, Noona Kiuru…p. 265–273
Land-walking vs. water-walking interventions in older adults: Effects on aerobic fitness
Andrew Haynes, Louise H. Naylor, Howard H. Carter, Angela L. Spence, Elisa Robey, Kay L. Cox, Barbara A. Maslen, Nicola T. Lautenschlager, Nicola D. Ridgers, Daniel J. Green………………………………p. 274–282
Muscle strength cut-offs for the detection of metabolic syndrome in a nonrepresentative sample of collegiate students from Colombia
Antonio Garcia-Hermoso, Alejandra Tordecilla-Sanders, Jorge Enrique Correa-Bautista, Mark D. Peterson, Mikel Izquierdo, Aura Cristina Quino-Ávila, Carolina Sandoval-Cuellar, Katherine González-Ruíz, Robinson Ramírez-Vélez………………………p. 283–290
Egocentric social network correlates of physical activity
Sonja Mötteli, Simone Dohle…………………p. 339–344
Validity of long-term and short-term recall of occupational sitting time in Finnish and Chinese office workers
Ying Gao, Neil J. Cronin, Nina Nevala, Taija Finni…p. 345–351
Validation and adaptation of the Physical Activity Enjoyment Scale (PACES) in fitness group exercisers
Pedro Teques, Luís Calmeiro, Carlos Silva, Carla Borrego………………………………p. 352–357
Sport burnout inventory–Dual career form for student-athletes: Assessing validity and reliability in a Finnish sample of adolescent athletes
Matilda Sorkkila, Tatiana V. Ryba, Kaisa Aunola, Harri Selänne, Katariina Salmela-Aro…………………………p. 358–366
Longitudinal trajectories of athlete burnout among young table tennis players: A 3-wave study
Guillaume Martinent, Benoît Louvet, Jean-Claude Decret…………………………p. 367–375
Former athletes’ lifestyle and self-definition changes after retirement from sports
Pierre-Luc Yao, Louis Laurencelle, François Trudeau……………………………p. 376–383
Motivational processes in physical education and objectively measured physical activity among adolescents
Hanna Kalajas-Tilga, Andre Koka, Vello Hein, Henri Tilga, Lennart Raudsepp………………p. 462–471
Regular moderate aerobic exercise improves high-fat diet-induced nonalcoholic fatty liver disease via monoacylglycerol O-acyltransferase 1 pathway suppression
Kyung-Wan Baek, Jeong-An Gim, Jung-Jun Park………………………………p. 472–478
The influence of core affect on cyclo-ergometer endurance performance: Effects on performance outcomes and perceived exertion
Selenia di Fronso, Antonio Aquino, Réka Zsanett Bondár, Cristina Montesano, Claudio Robazza, Maurizio Bertollo……………………………p. 578–586
Visual function, performance, and processing of basketball players vs. sedentary individuals
Jesús Vera, Raimundo Jiménez, David Cárdenas, Beatriz Redondo, José Antonio García…………p. 587–594
Does endurance training improve red blood cell aging and hemorheology in moderate-trained healthy individuals?
Daniel A. Bizjak, Fabian Tomschi, Gunnar Bales, Elie Nader, Marc Romana, Philippe Connes, Wilhelm Bloch, Marijke Grau…………………………………p. 595–603
Affective responses to supervised 10-week programs of resistance exercise in older adults
Darren L. Richardson, Michael J. Duncan, Alfonso Jimenez, Paul M. Juris, Neil D. Clarke…………………p. 604–613
Morphological changes of the lateral abdominal muscles in adolescent soccer players with low back pain: A prospective cohort study
Pawel Linek, Pardis Noormohammadpour, Mohammad Ali Mansournia, Tomasz Wolny, Damian Sikora……p. 614–619
Effectiveness and time-course adaptation of resistance training vs. plyometric training in prepubertal soccer players
Yassine Negra, Helmi Chaabene, Thomas Stöggl, Mehréz Hammami, Mohamed Souhaiel Chelly, Younés Hachana……………………………p. 620–627
Application of the neuromuscular fatigue threshold treadmill test to muscles of the quadriceps and hamstrings
Clayton L. Camic, Attila J. Kovacs, Trisha A. VanDusseldorp, Ethan C. Hill, Evan A. Enquist…………………p. 628–633
Relationship between abdominal adiposity, cardiovascular fitness, and biomarkers of cardiovascular risk in British adolescents
Moira S. Lewitt, Julien S.Baker………………p. 634–644
Responses to oral glucose challenge differ by physical activity volume and intensity: A pilot study
Trevor N. Simper, Cecile Morris, Anthony Lynn. Ciara O'Hagan, KarenKilner…………………p. 645–650
Walking-friendly built environments and objectively measured physical function in older adults
Mohammad Javad Koohsari, Gavin R. McCormack, Tomoki Nakaya, Ai Shibata, Kaori Ishii, Akitomo Yasunaga, Yung Liao, Koichiro Oka………………………p. 651–656
Habitual physical activity levels and sedentary time of children in different childcare arrangements from a nationally representative sample of Canadian preschoolers
Julie Statler, Piotr Wilk, Brian W. Timmons, Rachel Colley, Patricia Tucker………………………………p. 657–663
Health-related fitness knowledge growth in middle school years: Individual- and school-level correlates
Xihe Zhu, Justin A. Haegele, Haichun Sun………p. 664–669
Residual force enhancement due to active muscle lengthening allows similar reductions in neuromuscular activation during position- and force-control tasks
Rhiannon Marion, Geoffrey A. Power…………p. 670–676
Postural control quantification in minimally and moderately impaired persons with multiple sclerosis: The reliability of a posturographic test and its relationships with functional ability
David Barbado, Ramon Gomez-Illan, Pedro Moreno-Navarro, Gregori Valero-Conesa, Raul Reina, Francisco J. Vera-Garci………………………p. 677–684
Effects of compression garments on surface EMG and physiological responses during and after distance running
Wei-ChunHsu, Li-Wen Tseng, Fu-Chun Chen, Li-Chu Wang, Wen-Wen Yang, Yi-Jia Lin, Chiang Liu…………p. 685–691
Isokinetic trunk flexion–extension protocol to assess trunk muscle strength and endurance: Reliability, learning effect, and sex differences
María Pilar García-Vaquero, David Barbado, Casto Juan-Recio, Alejandro, López-Valenciano, Francisco J. Vera-Garcia……………………p. 692–701