4

There are many factors that affect metabolism. Size - The heavier you are, the more calories you burn existing. Also moving at a heavier weight burns more calories than moving at a lower weight. So as you lose weight you'll burn less. Muscle mass uses more energy than fat mass so ultimately you want to try to retain as much muscle as possible. Thermic Effect ...


4

You can experiment to see what level of deprivation negatively impacts performance for you specifically (everyone is different), but in general it is a good idea to take a more modest approach to fat loss the leaner you get. Your metabolic rate will decrease as you get smaller. Why? Because your metabolic rate is dictated by metabolic need and a smaller body ...


2

The rate of digestion depends upon the surface area of the food particles, and yes, its temperature, with the ideal temperature for gastric emptying being on the warm side (~43°C), but not hot. Similarly, enzyme activity is at its greatest at around core body temperature (~37°C) or slightly higher (~42°C), depending on the enzyme. However, the mechanical ...


1

I am also 47 years old. A few years ago I used to run 10-15 km 2-3 x a week and do no other form of training. After reading the book "Your New Prime" by Craig Cooper I became convinced that was stupid for a man in his 40s. From the 40s and onwards one tends to really loose strength. This may not become an acute problem before in ones 50s or 60s. ...


1

Running can conflict with muscle gain if your heart rate remains too elevated. If you want to lose the fat while gaining lean tissue. Cardio should be performed below your first ventilatory threshold. That means you should be able to speak comfortably while performing cardio. And so this for 30 to 60 minutes, as often as you can. I do either fast walking or ...


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