Anaerobic
Relating to energy production without oxygen, powering short, high-intensity efforts lasting from a few seconds up to about two minutes.
Definition
Anaerobic means without oxygen. When exercise is too intense for oxygen delivery to keep pace, the body draws on anaerobic pathways: the immediate phosphocreatine system for all-out efforts of a few seconds, and glycolysis for high-intensity work lasting up to roughly two minutes. These fuel sprints, jumps, heavy lifts and repeated explosive plays.
Anaerobic energy is produced quickly but cannot be sustained, and intense glycolytic work is associated with rising fatigue as by-products accumulate. Team-sport athletes rely on both systems, using anaerobic power for the decisive bursts and the aerobic system to recover between them.
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Basketball
A fast, dynamic team sport of running, jumping and quick decisions on court.
Football
The world’s most popular team sport — endless running, teamwork and community in one game.
Fitness
Strength and general fitness training — the foundation that supports every other sport.
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- 2026-09-01
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