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Science Based Nutrition
Why do I start shaking and get nauseous when I do my cardio?
By dotFIT experts
on December 15, 2009
You are describing symptoms common to improper pre-workout food consumption.
I had a previous fracture in my arm (2004); is it okay to lift weights? How many days per week should I lift to lose weight?
By dotFIT experts
on January 22, 2010
If all is well now you should have no problem getting back into exercise. It is not ideal to start training very heavy or with high volume, but to work into your program.
Should I eat before I workout?
Yes, you should always eat before a workout, but the timing and size of your meals and snacks will depend on your goal and
Can exercise make you smarter?
In general, yes, and it can certainly help keep you from getting “less smart”, meaning exercise has been shown to be the most powerful
Why am I so hungry in the evening after a workout?
The body naturally does an amazing job at balancing calories consumed and calories burned to keep your weight relatively stable daily. Therefore,
Is exercising enough to lose weight?
Not according to the majority of exercise studies. The general conclusion from many, including the most recent studies on exercise
How much physical activity do I need to control my weight?
If you are watching and controlling your caloric intake, you can probably get away with the minimum recommendation of 150 min/week of what
What is the role of protein for exercise?
Protein is responsible for rebuilding your muscle tissues after exercise and also plays a minor role in producing energy under more extreme
If I want to lose fat fast, should I do as much cardio as possible?
Not unless you love it. Reducing calories, as opposed to burning the extra calories, is by far an easier method of reducing weight quickly. That said,
Will using the Stairmaster make my legs and rear-end larger?
That extra stuff around your rear is not something that keeps growing from exercise; it’s from eating too much. Don’t worry about any exercise
Should I perform my aerobic exercise before or after resistance training?
Depends on your goal, but when it comes to fat loss, it hardly makes a difference. Most weightlifters prefer after because they like to
How accurate are the calorie burn displays on cardio machines? They seem very high to me.
You are correct, most machines display more calories burned than actual because they basically use only heart rate combined with individual
Which piece of cardio equipment is the best for burning fat?
Basically whichever one you like—mix it up, keep it fresh but go at high intensity for the best results if weight loss is the goal. Make sure you
I've heard that doing cardio at a higher heart rate (over 150 bpm) burns too much muscle and that I should keep my heart rate in a "fat burning" range. True?
If you feed yourself properly, including taking a multivitamin/mineral daily, you would only add muscle by performing high intensity
How do I make sure I'm not burning muscle when working out?
You need to use the bodybuilding formula of feeding the muscle while starving the body fat. Meaning, eat correctly and enough including protein intake
Since I started working out more I am craving more carbohydrates than usual. Is my body asking for more carbs because I am exercising more? Do I satisfy this carb craving or do I hold out?
The right answer is to restructure your diet but within the total calories appropriate for your overall body composition goals (e.g. weight/fat loss, or muscle gain).
When cycling, my heart rate is 70-90%, even 100% on occasion. My friend said its unhealthy. Hoping she is wrong, because I enjoy the rush
A lot depends on the method you are using to calculate target or maximum heart rate and its accuracy because all formulas can do is estimate
I want to build up my biceps, should I work them every day?
No, you need to perform unaccustomed exercise 2-3 days/week. Muscles need at least 48 hours of rest following the type of workout
Does drinking water while exercising cause cramps?
Not unless you drank or ate too much before the exercise and then continued drinking. Drinking too much of any fluids before exercise
What are treatment options for headaches after exercising?
Exercise headaches occur during or after sustained, strenuous exercise. Activities most commonly associated with exercise headaches are running, rowing, tennis,
What is the difference between high and low-intensity exercise?
What are the best cardio moves/routines to lose body fat fast vs muscle?
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