flex 1 of 3 verb ˈfleks flexed; flexing; flexes transitive verb 1 : to bend especially repeatedly

Idiom flex your muscles (Definition of flexing from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

Aug 27, 2019 · Flexing your muscles can build strength by keeping them still while they face resistance. Learn more about the pros and cons of muscle flexing, and examples of exercises …

May 1, 2023 · Flexing your muscles can build them, but it’s most effective when smartly inserted into a well-designed training plan. Here’s how to do it.

Jul 19, 2025 · Flexing your muscles isn’t just about looking good; it can also boost your mental and physical health by treating headaches, high blood pressure, digestive problems, and more.

First, straighten your legs, then flex your feet. He tried to impress me by flexing his huge muscles.

Dec 1, 2025 · The NFL uses flexible scheduling late in the season to ensure that the biggest games end up in the best time slots. But the procedures for changing kickoff times and dates …

1. Chiefly British Flexible insulated electric cord. 2. The act or an instance of flexing; a bending. 3. Flexibility: a schedule with a lot of flex.

Flexing refers to tensing a muscle without changing its length or moving the joint—known as an isometric contraction. This type of contraction is different from the usual “lifting and lowering” …

3 days ago · Flexing, or simply tensing a muscle, is defined as an isometric contraction—a state where the muscle generates force and tension without changing its overall length. A common …