heart rate zones

Target Heart Rate Zones Explained – How To Use Them Correctly

Heart rate zones can be used to determine optimal training…


circuit training

A Comprehensive Guide To Circuit Training – Including Sample Routines!

Circuit training refers to training sessions where you…


lactate

What Is Lactate And How Does It Affect Performance?

Lactate is a byproduct of anaerobic glycolysis, and thought…


lactate threshold

Lactate Threshold Explained

Lactate threshold is the point of exercise intensity where…


VO₂max

Maximal Oxygen Uptake (VO₂max) – The Best Measure of Aerobic Fitness

Maximal oxygen uptake (VO₂max) refers to the maximum amount…


fasted cardio

Fasted Cardio – What Does The Science Say?

Fasted cardio refers to performing cardiovascular endurance…


slow-twitch muscle fibers

Slow-Twitch Muscle Fibers – An In-Depth Guide

Slow-twitch muscle fibers have a high endurance capability,…


Aerobic respiration

The Basics of Energy Production: Aerobic Respiration

Aerobic respiration refers to breaking down glucose with…


aerobic vs anaerobic energy metabolism, sports science

Aerobic vs Anaerobic Energy – A Guide To Human Energy Metabolism

Aerobic vs anaerobic metabolism - what's the difference?…


fartlek training

Fartlek Training – Sweden’s Gift To Running With a Smile

Fartlek training, or 'speed play' training, consists of…