noun
General Slang
isometric
eye-so-MET-rik · noun · informal
Holding a muscle contracted without moving.
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Definitions
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A contraction where the muscle produces force while holding a position without changing length, like a plank or wall sit.
“He added an isometric hold at the top of each rep.”
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isometric In A Sentence
He added an isometric hold at the top of each rep.
Origin & Usage
Exercise-physiology term for static contractions.
People Also Ask
What is an isometric exercise?
It's a contraction where the muscle produces force but doesn't change length or move the joint — a plank, wall sit or static hold are classic examples.
What's the difference between isometric, concentric and eccentric?
Concentric shortens the muscle (lifting), eccentric lengthens it (lowering), and isometric holds it still under tension with no movement.
Do isometric holds build muscle?
They build strength and stability at the held position and increase time under tension, though many lifters use them alongside moving reps rather than instead of them.
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