Before I jump into this week’s Dear Mark post I wanted to direct everyone’s attention to Andrew Rubalcava’s site, Go Healthy Go Fit. Andrew just published an interview with me. Here are just a few of the questions I answered:
Who have been your top 3 favorite bloggers over the years?
How did you get involved in physical competition such as your experience as a triathlete?
If you could give a few words of advice for those who are just beginning to enter a world of health and fitness, what would you say?
Check out the interview here, and check back on Thursday when I’ll be publishing Andrew’s guest post on how to stay healthy no matter what type of lifestyle you lead.
Posted By: Mark Sisson
Hi Mark,
Do you ever take a rest day? I know Jack LaLanne claims he exercises even when tired and Art DeVany says you should do something every day. Spent last weekend splitting wood and lugging it into the barn and then Monday I did a 6 mile fall foliage hike in the mountains. Tuesday I was too tired to do anything. Today I took another rest day as I struggled getting up for work after 8 hours of sleep. I imagine Grok must have taken rest days where he dozed or just rested in camp after an especially grueling hunt. What’s your opinion on taking a day off?
Posted By: Mark Sisson
Dear Mark,
I am a loyal Daily Apple reader who’s just begun a full-scale primal + IF + HIIT lifestyle. My only worry is that of muscle loss or impeded muscle growth. As a friend of multiple muscle builders, I’ve been told that carbohydrates are necessary for that muscle growth. While I’m not about to go back to my high-carb ways, I am willing to make an exception for post-lifting meals (within an hour window). I’ve heard this is the optimal time for carb-intake as your muscles are depleted of glycogen stores. I am wondering if you could shed light on this. Is this method actually effective for muscle growth? If so, how many carbs should I consume, and of what kind? And finally, will making this one compromise induce inflammation or impede fat loss?
Posted By: Mark Sisson
Dear Mark,
My name is Katie, and I’m planning on running across the U.S. from Boston to San Diego starting this March! I’m 23 and have been an avid runner since high school. I train on my own now and am deciding whether to run 9-12 miles a day or kick it up to an average of 20 miles a day. I’d like to understand what the effects of the two choices would be. Under the 20 mile plan, I’d run long, slow distance with some walking. The 9-12 mile plan would be the same with less walking. If I’m going slow, would covering the extra 10 miles a day be harmful to my body? What is the risk of injury and long term health/bone problems if I did 8 months of 100 mile weeks compared to 12 months of 60 mile weeks?
Posted By: Mark Sisson
Dear Mark,
I’m trying to understand how glucose that’s created by proteins and fats is used and stored. Is that ~200g of glycogen stored in the muscles to be used for exercise, or is it stored in the liver and used to fuel the brain and “day-to-day” functions? Also, if muscle glycogen is depleted, will ingested carbohydrates be used first to replenish muscle glycogen and then to fuel other daily functions, or are they used the other way around? I’d like to be able to use ketones to fuel my daily activity, but still have enough muscle glycogen stores to fuel intense exercise.
Posted By: Mark Sisson
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