Add Yahoo as a preferred source to see more of our stories on Google. Waking up with tense muscles in the morning? The culprit could be something you didn't even suspect: Your nice and cosy duvet.

For most people, the term stiffness has negative connotations. When you wake up in the morning complaining of a stiff back, the remedy might include taking a hot shower, doing some yoga, swallowing ...

When your shoulders feel stiff, stretching might seem like the obvious answer. But in many cases, stretching is just a temporary fix rather than a real solution — and when it comes to the shoulders, ...

Cold weather means stiff muscles and achy joints. Here’s how to prepare your body for outdoor workouts in the winter.

Your muscles and joints might notice the cold weather before you do.

Stiff-person syndrome (SPS), also known as, Moersch-Woltman syndrome, is a rare disease and is characterized by progressive muscle stiffness. According to Rarediseases.org, SPS is an acquired ...

ACHES, pains, creaks and stiffness… chances are you fob it all off as an inevitable part of ‘getting older’. But, doctors don’t consider any pain normal… there’s always a ...

Céline Dion has reportedly lost control of some of her mobility amid her stiff-person syndrome diagnosis. "She doesn't have control over her muscles," the "My Heart Will Go On" singer's sister ...