Pinch-hitting as Ride Leader to Redwood Retreat Road
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Our usual ride leader is off on a cruise so I’m pinch-hitting for a couple of weeks. I led a ride out to the end of Redwood Retreat Road and back. When it’s a larger group and some are faster than others, it can be a bit more like being a mother hen making sure no one gets left behind. But there were a total of seven of us of similar riding ability so it made it easy. This is one of my favorite rides, with beautiful scenery and challenging but not too difficult hills.
Heading up Redwood Retreat RoadSome Alpacas at a farm along the way. I called out to them gently to get them to look at the camera but the black one seemed annoyed at me disturbing his lunch and walked awayThe vineyards of the Fernwood Cellar winery
https://ift.tt/aS2nC3F Fall in our area is not as spectacular as in other places but it’s nice that it lasts this long. Some trees have lost their leaves by now, but other species, such as maples, are peaking. Yesterday I enjoyed a long ride up into the hills West of town. I rode through Paradise valley then past Chesbro reservoir, and returned to town via Willow Springs road, enjoying the glorious sunshine. Long rides at an easy pace, like this one, feel like they are good for my leaky heart valve, or at least are relaxing. I won’t give them up unless my cardiologist convinces me too, but I’m pretty sure he’ll approve. The hill across Chesbro reservoir, with the dam on the left Looking down Willow Springs road Japanese Maple in our back yard
https://ift.tt/wxOr4u3 My last strength workout went really well, I was able to go pretty hard without pushing my heart rate excessively. But afterwards it occurred to me that monitoring heart rate might not be enough. Strength training can cause a temporary spike in blood pressure which is probably not a good idea. I figured there must be a lot of research on this, because there are a lot of older people with cardiac limitations besides mine which is relatively rare (including heart-attack survivors, angina sufferers, and those with valve regurgitation). And they are still encouraged to do strength training to prevent sarcopenia. So I asked Gemini deep research about it and it produced this fascinating report . It points out that a resistance training session, properly performed, is beneficial to the heart because while it temporarily raises blood pressure, there is “a phenomenon known as post-exercise hypotension, where blood pressure remains below pre-exercise resting levels for se...
https://ift.tt/V59Jb1v A recent article in Neuroscience News covers a Stanford study [1] on cell secretions during exercise. These were previously known about but it was not possible to isolate them from the blood for study. The Stanford group came up with a novel way to dive deeper into the blood to isolate these molecules, called exerkines. The study was on mice and had some surprising results. One was the high number of exerkines produced during exercise. “This means that the effects of physical activity are very widespread across many tissues and organ systems,” one of the co-authors of the study said. “We’re only just starting to understand that complexity.” A second surprise was some unexpected healthy changes (anti-obesity, anti-diabetic, and exercise performance-enhancing) related to liver cells. This new approach is promising and I’m interested in seeing it repeated in humans. References Wei, W, et al, “Organism-wide, cell-type-specific secretome mapping of exercise tr...
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