Editorial
Open Access
The Physiological Nature of Mental Fatigue: Current Knowledge and Future Avenues for Sport Science
Bart Roelands, Vincent Kelly, Suzanna Russell, Jelle Habay
Page: 149–150
DOI: 10.1123/ijspp.2021-0524
Brief Review
Open Access
The Optimum Power Load: A Simple and Powerful Tool for Testing and Training
Irineu Loturco, Antonio Dello Iacono, Fábio Y. Nakamura, Tomás T. Freitas, Daniel Boullosa, Pedro L. Valenzuela, Lucas A. Pereira, Michael R. McGuigan
Page: 151–159
DOI: 10.1123/ijspp.2021-0288
Original Investigations
Mental Fatigue Over 2 Elite Netball Seasons: A Case for Mental Fatigue to be Included in Athlete Self-Report Measures
Suzanna Russell, David G. Jenkins, Shona L. Halson, Laura E. Juliff, Mark J. Connick, Vincent G. Kelly
Page: 160–169
DOI: 10.1123/ijspp.2021-0028
Validating an Adjustment to the Intermittent Critical Power Model for Elite Cyclists—Modeling W′ Balance During World Cup Team Pursuit Performances
Jason C. Bartram, Dominic Thewlis, David T. Martin, Kevin I. Norton
Page: 170–175
DOI: 10.1123/ijspp.2020-0444
Effect of Climbing Speed on Pulmonary Oxygen Uptake and Muscle Oxygen Saturation Dynamics in the Finger Flexors
Jan Gajdošík, Jirˇí Baláš, Dominika Krupková, Lukáš Psohlavec, Nick Draper
Page: 176–184
DOI: 10.1123/ijspp.2021-0110
Relationship Between Flat-Water Tests and Canoe Slalom Performance on 4 Different Grades of Water Terrain Difficulty
Matej Vajda, Eva Piatrikova
Page: 185–194
DOI: 10.1123/ijspp.2021-0115
Stressed and Not Sleeping: Poor Sleep and Psychological Stress in Elite Athletes Prior to the Rio 2016 Olympic Games
Shona L. Halson, Renee N. Appaneal, Marijke Welvaert, Nirav Maniar, Michael K. Drew
Page: 195–202
DOI: 10.1123/ijspp.2021-0117
Power Profile of Top 5 Results in World Tour Cycling Races
Teun van Erp, Robert P. Lamberts, Dajo Sanders
Page: 203–209
DOI: 10.1123/ijspp.2021-0081
Various Workload Models and the Preseason Are Associated With Injuries in Professional Female Cyclists
Teun van Erp, Taco van der Hoorn, Marco J.M. Hoozemans, Carl Foster, Jos J. de Koning
Page: 210–215
DOI: 10.1123/ijspp.2021-0144
Effects of Increased Load of Low- Versus High-Intensity Endurance Training on Performance and Physiological Adaptations in Endurance Athletes
Rune K. Talsnes, Roland van den Tillaar, Øyvind Sandbakk
Page: 216–225
DOI: 10.1123/ijspp.2021-0190
Sleep Duration Correlates With Performance in Ultra-Endurance Triathlon
Jacob N. Kisiolek, Kyle A. Smith, Daniel A. Baur, Brandon D. Willingham, Margaret C. Morrissey, Samantha M. Leyh, Patrick G. Saracino, Cheri D. Mah, Michael J. Ormsbee
Page: 226–233
DOI: 10.1123/ijspp.2021-0111
How Do the Habitual Sleep Patterns of Elite Female Basketball and Soccer Athletes Compare With the General Population?
Kathleen H. Miles, Brad Clark, Jocelyn K. Mara, Peter M. Fowler, Joanna Miller, Kate L. Pumpa
Page: 234–240
DOI: 10.1123/ijspp.2021-0189
Electromyographic and Systemic Physiological Thresholds in Single-Joint Elbow Flexion Movements
Markus Tilp, Lukas Kitzberger, Gudrun Schappacher-Tilp, Philipp Birnbaumer, Peter Hofmann
Page: 241–248
DOI: 10.1123/ijspp.2021-0163
External, Internal, Perceived Training Loads and Their Relationships in Youth Basketball Players Across Different Positions
Pierpaolo Sansone, Alessandro Ceravolo, Antonio Tessitore
Page: 249–255
DOI: 10.1123/ijspp.2020-0962
Relationship Between External and Internal Load Measures in Youth Beach Handball
Alice Iannaccone, Andrea Fusco, Antanas Skarbalius, Audinga Kniubaite, Cristina Cortis, Daniele Conte
Page: 256–262
DOI: 10.1123/ijspp.2021-0225
Weekly Fluctuations in Salivary Hormone Responses and Their Relationships With Load and Well-Being in Semiprofessional, Male Basketball Players During a Congested In-Season Phase
Paulius Kamarauskas, Inga Lukonaitienė, Aaron T. Scanlan, Davide Ferioli, Henrikas Paulauskas, Daniele Conte
Page: 263–269
DOI: 10.1123/ijspp.2021-0106
Weekly Training Load in Elite Male Ice Hockey: Practice Versus Competition Demands
Vincenzo Rago, Adrian Muschinsky, Kasper Deylami, Magni Mohr, Jeppe F. Vigh-Larsen
Page: 270–277
DOI: 10.1123/ijspp.2021-0188
Predicting Rugby League Tackle Outcomes Using Strength and Power Principal Components
Kellyanne J. Redman, Logan Wade, Vincent G. Kelly, Mark J. Connick, Emma M. Beckman
Page: 278–285
DOI: 10.1123/ijspp.2021-0075
Internal Load of Male Varsity Ice Hockey Players During Training and Games Throughout an Entire Season
Jessica L. Bigg, Alexander S.D. Gamble, Lawrence L. Spriet
Page: 286–295
DOI: 10.1123/ijspp.2021-0089
Brief Reports
Brain-Derived Neurotrophic Factor and Psychophysiological Response in Youth Badminton Athletes During the Season
Arilene M.S. Santos, Alberto J. Maldonado, Antônio V.M. de Sousa Junior, Susi O.S. Brito, Rayane C. de Moura, Caique Figueiredo, Paula A. Monteiro, Lucas M. Neves, Ismael F. Freitas Junior, Marcos A.P. dos Santos, Sergio L.G. Ribeiro, Fabrício E. Rossi
Page: 296–306
DOI: 10.1123/ijspp.2020-0911
Effects of Active Preconditioning With Local and Systemic Hypoxia on Submaximal Cycling
Olivier Girard, Romain Leuenberger, Sarah J. Willis, Fabio Borrani, Grégoire P. Millet
Page: 307–312
DOI: 10.1123/ijspp.2021-0046
Case Study: Energy Availability and Endocrine Markers in Elite Male Track Cyclists
Katherine L. Schofield, Holly Thorpe, Stacy T. Sims
Page: 313–316
DOI: 10.1123/ijspp.2020-0521
Invited Commentary
Open Access
Defining Training and Performance Caliber: A Participant Classification Framework
Alannah K.A. McKay, Trent Stellingwerff, Ella S. Smith, David T. Martin, Iñigo Mujika, Vicky L. Goosey-Tolfrey, Jeremy Sheppard, Louise M. Burke
Page: 317–331
DOI: 10.1123/ijspp.2021-0451
