Leg Training & Alzheimer’s: Brain Benefits of “Leg Day
Okay, here’s a breakdown of the main points from the provided text, focusing on the connection between leg muscle strength and brain health:
Key Takeaways:
* Leg Muscle Strength & Brain health: Training leg muscles positively impacts brain function, perhaps helping to protect against cognitive decline.
* Type 2 Muscle Fibers & Lactate: Powerful legs rely on type 2 (fast-twitch) muscle fibers.When these are trained, they produce lactate. Lactate acts as an energy source for the brain,boosting thinking and memory. This is notably significant for women going through perimenopause, as brain energy production becomes less efficient.
* Myokines & BDNF: Leg muscle activity releases myokines into the bloodstream. These messenger substances can cross the blood-brain barrier and influence cognitive processes. Specifically, BDNF (Brain-Derived Neurotrophic Factor) – a protein – is released, promoting the growth of new brain cells in the memory center. This can help counteract age-related brain shrinkage.
In essence, the article suggests that strengthening your legs isn’t just about physical fitness; it’s a way to actively support and nourish your brain.