What Happens to Stored Body Fat When You Walk 30 vs 60 Minutes? (Science Explained)

By How Things Work 001

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What actually happens to stored body fat when you walk for 30 minutes vs 60 minutes? Most people believe fat burning starts the moment they begin exercising. But inside your body, the process is much more complex. During the early minutes of a walk, your muscles mainly burn glucose and glycogen, which are the fastest sources of energy available. Meanwhile, hormones inside your body slowly begin shifting. As walking continues, several metabolic changes begin happening: • Insulin levels gradually drop • Adrenaline and fat-mobilizing hormones increase • Fat cells begin breaking down triglycerides • Fatty acids enter the bloodstream to fuel muscles Around the later stage of a long walk, your body can begin relying more on stored body fat as a fuel source. In this video we explain the hidden biological processes happening inside your body when you walk: • What your body burns during the first 30 minutes • The metabolic shift that occurs during longer walks • What happens inside fat cells •

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