Muscle articles from across Nature Portfolio Atom RSS Feed Muscle is a soft tissue composed of elongated cells (muscle fibres) that produce force and motion through contraction. Involuntary ...

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The Bizarre 300-Million-Year-Old Tully Monster — Why the Fossil Still Confuses Experts What is the Tully monster? Learn more about the near-nameless fossil, and why experts still can't agree on its ...

The foot is a complex structure with many articulations and multiple degrees of freedom that play an important role in static posture and dynamic activities. The evolutionary development of the arch ...

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Here are 10 exercises to tone your underarms and work away body fat. Plus, tips on cardio and weight training to get the most out of your routines.