All 5 Cardio Heart Rate Zones Explained Simply
1:06
YouTubeLive Lean TV
All 5 Cardio Heart Rate Zones Explained Simply
Most people have no idea which heart rate zone they're actually training in. Here's the breakdown of all 5 zones: 🟢 Zone 1 (50–60% max HR) — slow easy walk 🟡 Zone 2 (60–70% max HR) — you can talk, but you can't sing 🟠 Zone 3 (70–80% max HR) — talking is a struggle 🔴 Zone 4 (80–90% max HR) — threshold training, barely ...
361 views1 month ago
Heart rate Monitor
basics of heart
0:18
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YouTubeInside Us
15.3M viewsJan 19, 2023
Here's exactly what happens every time your heart beats 🫀 It starts with an electrical signal from the SA node — your heart's natural pacemaker. That signal tells your atria to contract, pushing blood down into the ventricles. Then the ventricles contract (ventricular systole): 🫀 Right ventricle → pumps deoxygenated blood to the lungs 🫀 Left ventricle → pumps oxygen-rich blood to the rest of your body After that, the heart enters diastole — a brief relaxation where the chambers refill and pre
0:06
Here's exactly what happens every time your heart beats 🫀 It starts with an electrical signal from the SA node — your heart's natural pacemaker. That signal tells your atria to contract, pushing blood down into the ventricles. Then the ventricles contract (ventricular systole): 🫀 Right ventricle → pumps deoxygenated blood to the lungs 🫀 Left ventricle → pumps oxygen-rich blood to the rest of your body After that, the heart enters diastole — a brief relaxation where the chambers refill and pre
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