Definition
Maintaining a static position under tension without changing muscle length, like planking until your core contemplates filing a grievance. It's the art of not moving while everything inside you screams to move.
Example Usage
The workout included 45-second isometric holds at the bottom of goblet squats, redefining her understanding of leg burn.
Origin
From muscle physiology identifying three types of contractions: concentric, eccentric, and isometric
Fun Fact
Isometric training was huge in the 1950s-60s after research suggested huge strength gains, though later studies revealed those results were somewhat optimistic.
Source: Exercise physiology and strength training methodology
Related Terms
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