This is a popular feature on the Apple Watch Ultra 3, Apple's most rugged smartwatch. But is this data actually useful? Apple ...

To build strength and muscle, you need to give your body time to rest. Too much work and too little rest will hurt your progress, says world record powerlifter Chris Duffin.Courtesy of Kabuki Strength ...

As you get more fit and healthy, you ought to see many pleasant side effects. In addition to the obvious and visible physical changes to the body, a decreasing resting heart rate is a good indicator ...

Like many stressors in our lives such as emotional distress and anxiety, poor nutrition, lack of sleep, allergic reactions, and excessive levels of exercise can cause the body to produce an ...

Finding the right balance between stimulus and recovery is the real key to long-term muscle growth and peak performance.

New perk: Easily find new routes and hidden gems, upcoming running events, and more near you. Your weekly Local Running Newsletter has everything you need to lace up! Subscribe today. Overtraining. It ...

There’s no shortage of theories about overtraining syndrome, a state of pervasive fatigue and poor performance that lasts months or years and sometimes ends athletic careers. In fact, there are too ...

We've all had grim days when we've felt lethargic and fatigued as we slogged through training - days when our body has simply failed to respond as it should. And we all experience aches and pains that ...

Working out too much can prevent you from building strength and muscle, and increase injury risk. Persistent fatigue, moodiness, pain, or limited movement are signs to slow down, says an elite ...