In this first episode of our three-part series, “Exercise vs. Training,” we explore the intricate workings of our muscles and the energy systems that power them. Discover how every day, we recycle our body weight in energy molecules, enabling us to perform everyday tasks like lifting grocery bags or sprinting. Our muscles are not merely passive structures; they are dynamic engines made up of around 600 muscles, each composed of fibers that work in pairs to create movement. We delve into the microscopic level, examining myofibrils and sarcomeres, the fundamental units responsible for motion. Learn how signals from the brain initiate muscle contractions and the vital role of ATP, the energy currency of our cells, in fueling these actions. Tune in to understand the fascinating science behind movement and the importance of exercise in our daily lives.Link to my substack: https://drlauriemarbas.substack.com/p/inside-your-engine-what-really-happens?r=4t8jxg

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