Sehat UP - Physio - Rehab E Clinic

Running is not just about your legs — it’s a full-body activity. Your breathing, heart, muscles, hydration, sleep, and mental focus all work together. Fatigue sets in quickly when even one of these systems is not functioning properly. ✅ Scientifically Proven Reasons 1️⃣ Low Aerobic Base (VO₂ Max) If your aerobic capacity (VO₂ Max) is low, fatigue can start within 10–15 minutes. Causes: Lack of training Weak cardiovascular system Irregular running routine 2️⃣ Low Muscle Glycogen Stores According to sports nutrition science: 👉 70–80% of running energy comes from glycogen. If carbohydrate intake is low: Early fatigue Dizziness Heavy legs 3️⃣ Oxygen Deficiency & Lactate Build-Up During high-intensity running, muscles produce lactate faster. Result: Burning sensation Muscle heaviness Early exhaustion 4️⃣ Poor Running Form Experts agree that incorrect running mechanics waste energy. Common mistakes: Overstriding Leaning forward excessively Poor arm movement Weak hip control 👉 This lead...