In short, the muscle contracting or shortening is the primary mover, known as an agonist, and the muscle relaxing or lengthening is the antagonist. For example, the quadriceps — muscles that run ...

For example, when you perform a bicep curl the biceps will be the agonist as it contracts to produce the movement, while the triceps will be the antagonist as it relaxes to allow the movement to ...

Frontlines | Out of Agonists Comes an Antagonist Reprinted with permission from Nature Pseudomonas aeruginosa can devastate the lungs of a person with cystic fibrosis or a suppressed immune system, ...

At the center of many genres of movies and TV shows are two characters battling it out. It's the core of conflict. It started ...

For example, when you perform a bicep curl, the biceps will be the agonist as it contracts to produce the movement, while the triceps will be the antagonist as it relaxes to allow the movement to ...