Broad jump

Power Assessment Methods: The Broad Jump

The broad jump test is a widely used to assess a subject's…


the Margaria-Kalamen power test

Power Assessment Methods: The Margaria-Kalamen Power Test

The Margaria-Kalamen power test consists of sprinting up a…


force-velocity relationship

The Force-Velocity Relationship

The force-velocity relationship describes the relationship…


muscle contraction

How Do Muscles Contract?

Muscle contraction occurs when actin and myosin filaments…


the size principle

Muscle Fiber Recruitment: The Size Principle

The size principle means that motor units (motor neuron and…


fast-twitch muscle fibers

Fast-Twitch Muscle Fibers – An In-Depth Look

Fast-twitch muscle fibers contract with a lot of force, but…


anaerobic respiration, fitness components

The Basics of Energy Production: Anaerobic Respiration

Anaerobic respiration refers to producing energy without…


phosphagen system

The Basics of Energy Production: The Phosphagen System

The phosphagen system uses stored ATP and CP for energy…


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?…


maximum speed training

Become a Better Sprinter With Maximum Speed Training

Maximum speed training is the bread-and-butter of every…