Eccentric exercise can build strength and improve fitness while remaining accessible to less active individuals. Exercises ...

From the microscopic dance of actin and myosin to the full-body power you feel in a workout, muscle contraction is a precise, coordinated process. It starts with a nerve signal, triggers calcium ...

Can weight loss reverse heart failure? A new study shows that heart muscle cells regain strength and muscle contractions ...

The next time you train, remember: You’re not just building endurance. You’re upgrading your heart's software. You're ...

A new study suggests severe obesity may weaken heart muscle cells in people with heart failure with preserved ejection ...

Researchers have developed tiny flexible lasers that can be used to measure forces inside living cells. The new lasers could ...

In a new research report, a team of scientists led by Johns Hopkins Medicine say people with severe obesity and a common type ...

In a new research report, a team of scientists led by Johns Hopkins Medicine say people with severe obesity and a common type ...

In a new research report, a team of scientists led by Johns Hopkins Medicine say people with severe obesity and a common type of heart failure experience weakened heart muscles, and that losing weight ...

Engineers interested in creating artificial cells to deliver drugs to unhealthy parts of the body face a key challenge: for a ...

Our hearts beat around 100,000 times a day—and do so throughout our entire lives. They draw the energy for this from the mitochondria. As the "powerhouses of the cells," mitochondria produce 95% of ...

Lymphatic muscle cells (LMCs) are indispensable for lymphatic vessel contraction, and their aberrant recruitment or absence is associated with both primary and secondary lymphedema. Despite their ...