How to start training.

As you drift outside the “anabolic-window” you enter a detrimental “catabolic” phase. Training beyond 40 minutes decreases anabolic activity. So as you can see, there are physiological advantages to keeping your workout in the 30 to 40 minute range. And there are definite physiological disadvantages to training beyond 40 minutes.

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Physical Activity for adults.

Do moderately intense cardio 30 minutes a day, five days a week
Or
Do vigorously intense cardio 20 minutes a day, 3 days a week
And
Do eight to 10 strength-training exercises, eight to 12 repetitions of each exercise twice a week.

Moderate-intensity physical activity means working hard enough to raise your heart rate and break a sweat, yet still being able to carry on a conversation. It should be noted that to lose weight or maintain weight loss, 60 to 90 minutes of physical activity may be necessary. The 30-minute recommendation is for the average healthy adult to maintain health and reduce the risk for chronic disease.

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