As you bite into a crisp apple, your jaw muscle contracts, allowing you to grind the fruit between your teeth. When you climb a flight of stairs, your gluteus maximus (or "glutes") push your body ...

The heart is the body's hardest-working muscle. Whether you're awake or asleep, or exercising or resting, your heart is always at work. It pumps blood through arteries to deliver oxygen to organs and ...

Human anatomy is far from complete, with ongoing discoveries reshaping understanding of variation, structure, and disease.

Strength training should be a staple of any fitness routine. In addition to increasing muscle strength and mass, regular strength training helps maintain strong bones, improve balance and offers ...

Our bodies are not perfectly designed, but are a living archive of evolution. Anatomy reveals a historical record of ...

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