30 Seconds Summary3 CNS Fatigue Myths
- CNS fatigue is often misunderstood, wrongly linked to high intensity exercises like squats and deadlifts causing widespread fatigue.
- CNS fatigue involves a decreased ability of the central nervous system to activate muscles, but it's different from peripheral fatigue, which is muscle-specific.
- Myth 1 debunked: High intensity, low duration exercises do not cause more CNS fatigue than low intensity, high duration exercises; endurance activities like marathons are more likely to induce CNS fatigue.
- Myth 2 debunked: Isolation exercises can cause CNS fatigue while compound exercises like heavy squats or deadlifts do not necessarily induce more CNS fatigue.
- Myth 3 debunked: CNS recovery is fast, usually occurring within minutes post-workout, contrary to the belief it takes longer than muscle recovery.
- Overall, research suggests CNS is more akin to a computer than a muscle, not tiring in the way muscles do, with most reported CNS fatigues being actually local muscular fatigue.
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