Definition
Fat oxidation refers to the breakdown of triglycerides into fatty acids and glycerol to produce energy. It indicates how much fat your body is burning for fuel.
Explanation
- Fat provides the largest reserve of potential energy for the body. Oxidizing fat releases this energy for use.
- High fat oxidation promotes burning stored fat for energy, leading to reductions in body fat.
- Activities requiring low intensity steady state cardio like walking, running, and cycling maximize fat oxidation.
- Fasted cardio may further increase fat burning by forcing the body to rely on fat stores for fuel.
Examples
- Jogging on an empty stomach first thing in the morning to burn fat.
- Elevated fat oxidation during prolonged low-moderate intensity cycling.
Related Terms
- Fat burning zone, lipolysis, beta oxidation, caloric deficit, fasted cardio
Common Questions
- What is the best fat burning heart rate zone? 60-70% of max heart rate, around 120-140bpm for most people.
- How long does it take to burn fat? Significant fat loss takes weeks of consistent workouts and proper nutrition.
Do Not Confuse With
- Fat loss – The physical decrease in body fat from prolonged caloric deficit.
- Keto diet – Very high fat, low carb diet forcing fat oxidation for energy.
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