Exercise Science, Biology, and Research

Health and fitness articles for personal trainers rooted in exercise science, biology, anatomy, physiology, health psychology

The Power of Endorphins

The Power of Endorphins

Runner's "high" is so-called because of the euphoria associated with the release of feel-good chemicals in the brain, of which endorphins are one category. From a biological standpoint, the...

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Understanding Hip Flexion

Understanding Hip Flexion

Hip flexion happens every time you step, squat, sit, and revolve on a bike. Another way to describe this is when the knee comes toward the chest. A technical definition might say hip flexion happens...

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