An inside look into the gritty reality of competing on the international mountain bike stage as an elite freeride athlete ...

A back spasm involves a sudden, involuntary muscle contraction that can be set off by something as routine as lifting a bag or sitting for too long. Muscle fatigue, dehydration, and nerve irritation ...

Feeding your baby should be a peaceful and bonding time, but it is often physically demanding. You may feel a sudden strong tug in your lower back, a sharp spasm near your shoulder blades, or ...

A muscle spasm — also known as a charley horse, muscle cramp or twitch — is a sudden, involuntary movement in one or more muscles. Common causes include stress, exercise, or dehydration, but nerve ...