The wall-sit test is a simple yet powerful way to gauge lower-body endurance and reveal how well your heart copes with ...

Jessie Diggins has become the best-ever American cross-country skier because of what she pushes her body through.

Anxiety is both a mental and physical state of negative expectation. Mentally it is characterized by increased arousal and apprehension tortured into distressing worry, and physically by unpleasant ...