When at rest both skeletal and cardiac muscles satisfy their energy requirement mainly through

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Both skeletal and cardiac muscles primarily use free fatty acids for energy during rest. This is because fat oxidation generates more ATP per molecule compared to glucose or glycogen. Anaerobic glycolysis and oxidation of lactate are used during high-intensity exercise when oxygen demand exceeds supply, while aerobic glycolysis and oxidation of ketone bodies are used during prolonged fasting or starvation.

When at Rest Both Skeletal and Cardiac Muscles Satisfy Their