Science
The research the BLOCKS assistant answers from: 1,118 studies and 81 guides, each graded for how strong the evidence is and who it was measured on, with a link to the original paper.
57 entries in Intervals & intensity
A-Polarized Training Has Greater Impact on Key Endurance Variables than Threshold, High Intensity, or High Volume TrainingStöggl T & Sperlich B 2014BTraining Session Models in Endurance Sports: A Norwegian Perspective on Best Practice RecommendationsTønnessen E 2024B+Does Lactate-Guided Threshold Interval Training within a High-Volume Low-Intensity Approach Represent the "Next Step" in the Evolution of Distance Running Training?Casado A 2023BThe effect of sex on the cardiopulmonary and neuromuscular response to high-intensity interval exerciseWilson 2025CRethinking Exercise Metabolism: From "Aerobic vs. Anaerobic" to Metabolic EquilibriumSan Millán 2026B+Adaptations to aerobic interval training: interactive effects of exercise intensity and total work durationSeiler 2013C+Why low-intensity endurance training for athletes?Matomäki 2025BBest-Practice Training Characteristics Within Olympic Endurance Sports as Described by Norwegian World-Class CoachesSandbakk 2025B+Substituting Low-Intensity Endurance Exercise With High-Intensity Microintervals: Responses to Acute ExerciseMatomäki 2025BBi-exponential modelling of W' reconstitution kinetics in trained cyclistsAbout half of W' returns fast (time constant 21.5 s) and half slowly (388 s); after a second exhaustive bout the slow half slows further (716 s)Chorley 2022BHIDIT — High-Intensity Decreasing Interval Training increases time above 90% VO2peak; also: work-above-CP is NOT a valid HIT-effectiveness metricVaccari 2020B+What is best practice for training intensity and duration distribution in endurance athletes?Seiler 2010BSuperior performance improvements in elite cyclists following short-interval vs effort-matched long-interval trainingRønnestad 2020BPolarized > Threshold training over 6 weeksNeal 2013BHigher VO2max fraction during intervals = greater performance gain; %HRmax is an incomplete surrogateOdden 2024A-Heavy/Severe/Extreme intensity increase VO2max; Moderate does NOTInglis 2024BInterval training at vVO2max: effects on aerobic performance and overtraining markersBillat 1999