Losing weight should not be the only goal or the ultimate goal, but rather finding a healthy weight in a healthy lifestyle. While the girl may want to lose weight on the scale, it’s likely she is more concerned with slimming down, toning up and decreasing size. This printable workout gives you total-body toning plus cardio and it's as easy as 5-4-3-2-1! If she does the same cardio exercise hour after hour, she is likely to make too much of a calorie deficit leading to use of protein from her muscles to fuel her. I suppose it would be depend on their goals, whether or not what they are doing is effective.
That being said, both of these two case scenerios would get health benefits by taking a 30 minute walk 5 times a week.
It’s also likely she will overtrain and produce the unwanted symptoms of this like extreme fatigue, flu-like symptoms or overuse injuries. Plus you don't need any equipment or a gym; simply push your coffee table out of the way and you're good to go! While she would benefit from doing moderate cardio everyday, she does not need to stay on the Stairmaster for hours on end. My guess is that the guy I mentioned above is not trying to keep his heart and lungs deconditioned, but is trying to keep his lean muscular structure.
Losing weight does not necessarily mean losing fat, but both are considerably affected by your nutrition (the specifics of that should be in a whole other blog post).
Weight loss is correlated to a calorie deficit (the difference between how many calories you take in versus the amount of calories you use up or expend.) If the guy is weight lifting and doing moderate cardio, he would just need to make sure he is getting the right amount of nutrient dense calories to fuel his muscles for rebuild and repair and fuel his cardio efforts so that the energy he uses is not coming from protein in his muscles.
He can build muscle, shed fat to become lean AND reap the benefits of cardiovascular exercise for overall health and wellness. For best weight loss results, all exercise should be partnered with a healthy diet of whole foods in good portion.
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