Isometric, eccentric and concentric muscle contractions: What’s the difference?
Muscle contraction is simply muscles doing work. So what’s with all these complicated terms? Isometric contraction is what happens when you lift and hold a heavyweight steady. Your muscles bulge, but nothing’s moving. Concentric contractions are movements where you exert muscle force, such as pushing a weight away from you. Eccentric contractions are the opposite; it is when …
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