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, ...

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, ...

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 ...

Joint flexibility is an important measure of physical fitness in humans, especially when it comes to determining athletic performance. It is responsible for protecting the muscle-tendon unit under ...

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

Resistance, or weight training, is widely recommended in sports and rehabilitation as an effective exercise to increase muscular strength and size. This form of exercise involves applying resistance ...

For many stroke survivors, recovery is derailed by painful muscle stiffness and involuntary spasms that limit movement, ...

Statins do not cause muscle pain or stiffness any more than a placebo, a study suggests. Many people have been put off taking the cholesterol-busting drugs because of the potential side effects. But a ...

Scientists discover that nerve stiffness affects ankle flexibility in older adults but not in younger adults. As people age, joints become less flexible, causing balance problems that lower quality of ...