Journal of strength and conditioning research: the research journal of the NSCA

• 

  Año 2021, Vol. 35, Número 6

  • Original Research

    • Electromyographical Differences Between the Hyperextension and Reverse-Hyperextension

      Matthew Cuthbert, Nicholas J. Ripley, Timothy J. Suchomel, Robert Alejo, John J. McMahon, Paul Comfort

      • Resumen

      págs. 1477-1483

      

    • Influence of the Bar Position on Joint-Level Biomechanics During Isometric Pulling Exercises

      Nayun Ahn, Hoon Kim, John Krzyszkowski, Stuart Roche, Kristof Kipp

      • Resumen

      págs. 1484-1490

      

    • Correlation of Eccentric Strength, Reactive Strength, and Leg Stiffness With Running Economy in Well-Trained Distance Runners

      Fei Li, Robert U. Newton, Yue Shi, David Sutton, Haiyong Ding

      • Resumen

      págs. 1491-1499

      

    • High Responders to Hypertrophic Strength Training Also Tend to Lose More Muscle Mass and Strength During Detraining Than Low Responders

      Aapo Rantila, Juha P. Ahtiainen, Janne Avela, Joel Restuccia, Dawson J. Kidgell, Keijo Häkkinen

      • Resumen

      págs. 1500-1511

      

    • Effects of Augmented Eccentric Load Bench Press Training on One Repetition Maximum Performance and Electromyographic Activity in Trained Powerlifters

      Samuel Montalvo, Lance D. Gruber, Matthew P. González, Martin S. Dietze-Hermosa, Sandor Dorgo

      • Resumen

      págs. 1512-1519

      

    • A Comparison Between Total Body and Split Routine Resistance Training Programs in Trained Men

      Sandro Bartolomei, Federico Nigro, Ivan Malagoli Lanzoni, Federico Masina, Rocco Di Michele, Jay R. Hoffman

      • Resumen

      págs. 1520-1526

      

    • Use of Tensiomyography in Evaluating Sex-Based Differences in Resistance-Trained Individuals After Plyometric and Isometric Midthigh Pull Postactivation Potentiation Protocols

      Chad H. Herring, Erica R. Goldstein, David H. Fukuda

      • Resumen

      págs. 1527-1534

      

    • Evaluation of High-Intensity Interval Training and Beta-Alanine Supplementation on Efficiency of Electrical Activity and Electromyographic Fatigue Threshold

      Ashley A. Herda, Abbie E. Smith, Kristina L. Kendall, Joel T. Cramer, Jeffrey R. Stout

      • Resumen

      págs. 1535-1541

      

    • Prediction of Anaerobic Power From Standing Long Jump in NCAA Division IA Football Players

      J. Bryan Mann, H. Michael Bird, Joseph F. Signorile, William F. Brechue, Jerry L. Mayhew

      • Resumen

      págs. 1542-1546

      

    • Carbohydrate-Restricted Exercise With Protein Increases Self-Selected Training Intensity in Female Cyclists but Not Male Runners and Cyclists

      Tanja Oosthuyse, Gabriella E. Florence, Arron Correia, Camilla Smyth, Andrew Bosch

      • Resumen

      págs. 1547-1558

      

    • Evaluation of Performance Characteristics and Internal and External Training Loads in Female Collegiate Beach Volleyball Players

      Brittany N. Bozzini, Bridget A. McFadden, Steven Keith Scruggs, Shawn M. Arent

      • Resumen

      págs. 1559-1567

      

    • Training Load Monitoring in Amateur Rugby Union: A Survey of Current Practices

      Alan Griffin, Ian C. Kenny, Thomas M. Comyns, Mark Lyons

      • Resumen

      págs. 1568-1575

      

    • Horizontal Force-Velocity-Power Profiling of Rugby Players: A Cross-Sectional Analysis of Competition-Level and Position-Specific Movement Demands

      Casey M. Watkins, Adam Storey, Michael R. McGuigan, Paul Downes, Nicholas D. Gill

      • Resumen

      págs. 1576-1585

      

    • Maximal Oxygen Consumption Requirements in Professional North American Ice Hockey

      Pierre-Marc Ferland, Viviane Marcotte L'Heureux, Philippe Roy, Vincent D. Carey, Jeremie Charron, Sebastien Lagrange, Mario Leone, Alain Steve Comtois

      • Resumen

      págs. 1586-1592

      

    • Effects of Gluteal Muscles Strengthening on Lower-Limb Injuries in Male Professional Handball Players: A Preliminary Study

      Javier Raya González, Sergio Garcia Esteban, Patria A. Hume, Daniel Castillo Alvira

      • Resumen

      págs. 1593-1598

      

    • Upper-Body Strength Endurance and Power Norms in Healthy Collegiate Dancers: A 10-year Prospective Study

      Sarah M. Coogan, Jena Hansen-Honeycutt, Victoria Fauntroy, Jatin P. Ambegaonkar

      • Resumen

      págs. 1599-1603

      

    • Monitoring Prescribed and Actual Resistance Training Loads in Professional Rugby League

      Kellyanne J. Redman, Mark Connick, Emma Beckman, Vincent G. Kelly

      • Resumen

      págs. 1604-1610

      

    • Periodized Resistance Training With and Without Functional Training Improves Functional Capacity, Balance, and Strength in Parkinson's Disease

      Keri L. Strand, Nicholas Cherup, Matthew C. Totillo, Diana C. Castillo, Noah J. Gabor, Joseph F. Signorile

      • Resumen

      págs. 1611-1619

      

    • Influence of Electronic Devices on Sleep and Cognitive Performance During Athlete Training Camps

      Maddison J. Jones, Brian T. Dawson, Peter R. Eastwood, Shona L. Halson, Joanna Miller, Kevin Murray, Ian C. Dunican, Grant Landers, Peter Peeling

      • Resumen

      págs. 1620-1627

      

    • Effect of Rest Interval Between Sets in the Muscle Function During a Sequence of Strength Training Exercises for the Upper Body

      Filipe Matos, Bruna Fernanda Ferreira Fernandes, Joana Guedes, Francisco Saavedra, Victor Manuel Machado Reis, José Vilaça-Alves

      • Resumen

      págs. 1628-1635

      

    • Optimal Loading for Force Production in the Straight Bar Deadlift: Force-Time Characteristics in Strength-Trained Adults

      Chelsey Lawson, Peter D. Mundy, Mark Lyons, Michael J. Duncan

      • Resumen

      págs. 1636-1641

      

    • Effects of Progressed and Nonprogressed Volume-Based Overload Plyometric Training on Components of Physical Fitness and Body Composition Variables in Youth Male Basketball Players

      Ignacio Palma Munoz, Rodrigo Ramírez Campillo, Jairo Azocar Gallardo, Cristian Álvarez-Lepín, Abbas Asadi, Jason J. Moran, Helmi Chaabène

      • Resumen

      págs. 1642-1649

      

    • Effects of Preferred vs. Nonpreferred Music on Resistance Exercise Performance

      Christopher Ballmann, Marquis J. McCullum, Rebecca Rogers, Mallory R. Marshall, Tyler D. Williams

      • Resumen

      págs. 1650-1655

      

    • Self-Selected Motivational Music on the Performance and Perceived Exertion of Runners

      Jamie C. Clark, Timothy Baghurst, Brady S. Redus

      • Resumen

      págs. 1656-1661

      

    • Effect of a Supplementary Periodized Complex Strength Training and Tapering Period on Postactivation Potentiation of Sport-Specific Explosive Performance in Adolescent National-Level Fencers

      Nikolaos Kontochristopoulos, Gregory C. Bogdanis, Giorgos P. Paradisis, Charilaos Tsolakis

      • Resumen

      págs. 1662-1670

      

    • Effects of Caffeine Chewing Gum on Exercise Tolerance and Neuromuscular Responses in Well-Trained Runners

      Naiandra Dittrich, Marilia C. Serpa, Elisa Cristina Lemos, Ricardo Dantas de Lucas, Luiz Guilhermo Antonacci Guglielmo

      • Resumen

      págs. 1671-1676

      

    • Acute Effect of Popular High-Intensity Functional Training Exercise on Physiologic Markers of Growth

      Brian Matthew Kliszczewicz, Chad D. Markert, Emily Bechke, Cassie Williamson, Khala N. Clemons, Ronald L. Snarr, Michael J. McKenzie

      • Resumen

      págs. 1677-1684

      

    • Similar Anaerobic and Aerobic Adaptations After 2 High-Intensity Interval Training Configurations: 10: 5 s vs. 20: 10 s Work-to-Rest Ratio

      Masoud Moghaddam, Carlos A. Estrada, Tyler W.D. Muddle, Mitchel A. Magrini, Nathaniel D.M. Jenkins, Bert H. Jacobson

      • Resumen

      págs. 1685-1692

      

    • Influence of Body Fat on Oxidative Stress and Telomere Length of Master Athletes

      Samuel Silva Aguiar, Thiago S. Rosa, Caio Victor Sousa, Patrick A. Santos, Lucas Barbosa Pelissari, Lysleine Alves Deus, Erica C. Rosa, Rosangela V. Andrade, Herbert Gustavo Simões

      • Resumen

      págs. 1693-1699

      

    • External Cueing Influences Drop Jump Performance in Trained Young Soccer Players

      Jon L. Oliver, Saldiam R. Barillas, Rhodri S. Lloyd, Isabel S. Moore, Jason Pedley

      • Resumen

      págs. 1700-1706