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 ...

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

“An isometric contraction is a type of muscle contraction where the muscle generates force without changing its length,” says ...

Muscle twitching is a general term for muscle contractions. Your muscles are made up of fibers that your nerves control. Stimulating or damaging a nerve can cause muscle fibers to twitch.

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

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 ...

This system is mainly concerned with producing movement through muscle contraction. This section explores the different types of muscles in our body and their involvement in sporting activities.