The mechanism of skeletal muscle contraction is a process that relies on calcium signaling. However, the physiological role ...

Researchers engineered mice with a mutation (E3896A) in the RyR1 calcium-binding site, eliminating calcium-induced calcium ...

The lower leg lies between the knee and ankle and works with the upper leg and foot to help perform key functions. In the leg are a number of bones, muscles, tendons, nerves and blood vessels. These ...

Magnesium and phosphorus might not make headlines like calcium or iron, but these unsung heroes perform countless vital functions throughout your body every day. These minerals work tirelessly behind ...

It's a growing fitness trend. People say wearing a weighted vest when you exercise builds bones, strengthens muscles and improves cardiovascular health. But does research back up these claims?

Your femur connects many important muscles, tendons, and ligaments in your hips and knees to the other parts of your body, including parts of the circulatory system. More than that, it helps you carry ...

The foot has a complicated anatomical structure with many parts, all of which have specific functions. Due to this complex structure, there are many conditions that can affect feet. The structure of ...

Katia Riddle is a correspondent at NPR covering mental health. She has reported extensively on the impact of events such as Hurricane Helene, Los Angeles wildfires and the loneliness epidemic. Prior ...