Known methodological issues such as publication bias, questionable research practices
and studies with underpowered designs are known to decrease the replicability of study …

Background Fixture congestion (defined as a minimum of two successive bouts of match-
play, with an inter-match recovery period of< 96 h) is a frequent and contemporary issue in …

The literature on high-intensity interval training (HIIT) contains claims that, if true, could
revolutionize the science and practice of exercise. This critical analysis examines two …

Background Extrinsic strategies affect the exercise experience but fall outside the frequency,
intensity, time, and type (ie, dose-determining) principles. To our knowledge, no systematic …

Introduction To improve the rigor of science, experimental evidence for scientific claims
ideally needs to be replicated repeatedly with comparable analyses and new data to …

Meta-analyses show that theory-based interventions to increase physical activity behavior
yield small effect sizes. One possible reason for this is that theories of behavior change that …

The number of original manuscripts submitted to the Sports Performance section of the
Journal of Sports Sciences increased 34% between 2017 and 2020 (637 vs 854). There are …

Magnitude-based inference (MBI) is a controversial statistical method that has been used in
hundreds of papers in sports science despite criticism from statisticians. To better …

Exercise physiology and sport science have traditionally made use of the null hypothesis of
no difference to make decisions about experimental interventions. In this article, we aim to …

Motivation is commonly recognized by researchers and practitioners as a key factor for
motor learning. The OPTIMAL theory of motor learning (Wulf & Lewthwaite, 2016) claims that …