Articles and videos on optimising sports performance.
We're often taught that the energy of effort comes in three stages: phosphocreatine, then glycolysis, then the aerobic system for long efforts. This textbook picture is wrong: from the very first second, all three pathways work together; only their proportion changes.
Lactate is not a waste product, nor a sign of oxygen shortage. In light of George A. Brooks's work: a central metabolic molecule, produced continuously, exchanged between cells and used as fuel.
The coach of Kristian Blummenfelt and Gustav Iden breaks down lactate, energy systems and the metrics we think we understand — with rigour and clarity. A video we recommend.
Blood lactate doesn't adjust instantly to intensity. Why step duration determines the quality of a test — with diagrams of the kinetics.
Two cyclists can push just as hard on the pedals without transmitting the same power. The geometry of the pedal stroke, with diagrams and numbers.
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