Exercising immediately after a full meal mechanically stimulates the gastrointestinal tract, causing the contents within to shake violently from side to side and up and down. This can trigger symptoms like vomiting and stomach cramps.
Disrupted Blood Flow Distribution
After eating, digestive organs require substantial blood supply for digestion and absorption. When muscles engage in exercise, they also demand significant blood flow, diverting blood away from digestive organs. This disruption impairs digestive and absorptive functions, negatively affecting both exercise efficacy and overall health.
Reduced Exercise Effectiveness
After eating, the body's parasympathetic nervous system tends to be suppressed. Engaging in exercise at this time diminishes its effectiveness.