Fitness experts weigh in on the differences between concentric vs. eccentric exercise, and why both are important.

These are high-intensity activities that require the body to absorb a lot of impact when landing on the ground or catching ...

When muscle cells are viewed under the microscope, one can see that they contain a striped pattern (striations). This pattern is formed by a series of basic units called sarcomeres that are ...

The insertion is the other end of the muscle that is attached to the bone which moves. Muscular contractions are defined as the change in the length of the muscle under contraction. Muscles ...

Isotonic contractions – these occur when a muscle contracts and changes length and there are two types: Isotonic concentric contraction – this involves the muscle shortening. The origin and ...

Isometric exercises, like planks and wall sits, have proven to be highly effective in lowering blood pressure. This practice, besides being a fantastic option for people of all ages and fitness levels ...

So PNF stretching is potentially a more time-efficient way to improve flexibility, compared to, for example, static ...

Medically reviewed by Laura Campedelli, DPT Muscle strength grading is used to categorize muscle strength on a scale of 0 to ...

Robert F. Kennedy Jr. has spasmodic dysphonia, a voice disorder caused by a malfunction in the brain. Here’s what to know.