For most of us, the basic understanding we have about physical activity or exercise is that it helps us get bigger, stronger — and live longer.
When you do resistance training, it significantly improves your VO2max and your overall cardiorespiratory fitness. As for strength training, well, it helps you fight the signs and symptoms of many chronic conditions, such as back pain, obesity, heart disease, and diabetes.
But what is the secret sauce of exercise that’s making all these health benefits possible?
Learn why muscles are much more than just hunks of flesh with Dr Paul Taylor as he introduces you to myokines — small proteins that are secreted by muscle cells during muscular contractions.