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Many people spend hours grinding away at the gym, or follow one unsuccessful diet with another so why do so few of them achieve their goals?

Firstly being on an endless diet will not help you lose weight, no doubt in the first few weeks gains will be made but in most cases it becomes unsustainable particularly if you are on an extremely low calorie diet, 1000 calories a day is not enough to sustain basic life function, so the body goes into starvation mode and slows down the metabolism and holds on to stored body fat. For many dieters I would suggest that to lose weight you need to eat more!

Your resting metabolic rate; the number of calories used to maintain basic life function such as brain activity, heart & lung function, tissue growth and repair, internal organ function. To this you need to add your daily activity calories, then any additional exercise calories, this will give you your daily calorific requirement. To achieve sustainable weight loss you need to get a small deficit from this number, most dietitians and nutritionists recommend a deficit of no more than 500 calories a day.

But the big question, what is my RMR number? How many calories do I burn as I go about my daily business? And how many calories do I use when exercising?

For this a metabolic profiling assessment is the answer.

This two part assessment, RMR and exercise will give you daily requirement plus the calories you burn during exercise as well as being able to determine your optimal exercise heart rates for fitness improvements and weight loss.

You are hooked up with a Hannibal Lecter-style breathing mask to an analyzer and software program that uses the same science used by sports performance laboratories around the world. Each part of the assessment takes about 10 minutes the first part which is very easy you are just relaxing in a chair this is followed by a progressive exercise test performed on a treadmill, bike, or cross trainer.

Once the information is gathered the software produces a 12 week exercise training program and those all important calorie numbers.

As well as not knowing the amount of calories you need to fuel up to achieve your goals few people know at what heart rate intensities they need to work at to be successful in improving fat burning capabilities, aerobic and fitness performance. The great thing after taking the test you will know for each heart rate exactly how many calories you burn and perhaps more importantly where those calories come from sugar or fat. You will be given the highest work rate where fat is the dominant fuel, after this point a greater amount will be coming from sugar, you will also find out at what heart rate you stop to burn fat and all the fuel comes from sugar! You will also learn your anaerobic threshold an important point with regards to improving our fitness.

Most people are aware that to adopt a healthy lifestyle will help in obtaining weight loss goals, as well as improving fitness, health and wellbeing, and that to do this we must be mindful of how we fuel the body and must take regular exercise, so many regimes start with all the best intentions only to fall by the wayside because of lack of results. You can diet but not eat enough and send your body into starvation mode, and you can pound out mile after mile on the treadmill and just be burning sugar, in other words you can guess how many calories you need and how hard you need to workout in the gym or the alternative is to find out exactly what you need to do by taking a metabolic assessment, I believe this is the key to a fitter, healthier, and slimmer you.

Metabolic assessment centre's are becoming more readily available across the country to find out more or where your nearest centre is visit http://www.humanlabvo2.com or contact Richard Baker on (020) 8543-5288 or email richard@humanlabvo2.com

An MP4 player works like an MP3 player as a container of digital data for entertainment purposes. The device is designed to record and play videos in a compact and portable way, providing hours of easily transportable and accessible entertainment. Inevitably, the storage is important for the video output of the device. It needs to be able to contain the information, provide enough playing time, and at a high quality.

There are two types of MP4 player; the hard disc storage and the solid state memory type. The solid state is named as such because it does not contain any moving parts such as discs. Each have their pros and cons, so it important that you understand the differences before making your purchase.

Both types of MP4 player provide the same level of performance with regards to other general features. Both will store photographs, videos and music files which can either be downloaded from the internet or recorded directly. Both devices will have colour screens and both work best when the stored information is kept uncluttered. This means having clear files and storing only the required information on the device, keeping it reserved on the home computer until required. However, there are also some subtle differences that may affect your choice.

An important feature of the MP4 player is the storage capacity. The hard disc has the larger storage capacity of the two types. The hard disc can store up to 250 films, and so this is a major attraction. However, to achieve this it needs the addition of several components built in. These extra components make the hard disc device bulkier in terms of appearance and so this gives it the disadvantage of being less portable.

The solid state MP4 player stores less film, but the minimum amount is still around the hundred range. What it loses in terms of capacity, the solid state device makes up for in terms of portability. The solid state mp4 player is sleek and incredibly light in comparison to its hard disc counterpart.

cost is also a consideration when choosing an MP4 player. The solid state version is less expensive as it does not have as much storage capacity. The quality of the images and sound on the solid state device is not as good quality as that provided by the hard disc player.

In some scenarios, the solid mp4 player does not have the capacity to play some films from the internet; in other scenarios they are played but with poorer quality. If they are not compatible, this will be stated on the website. alternative versions can usually be found so this is not as disadvantageous as it may initially seem. Again this difference in output is down to the memory capacity and the graphics and so the higher price tag of the hard disc player reflects the product performance.

The battery life is usually slightly longer with the hard disc MP4 player though not by much. The average battery time for the hard disc device averages 16 hours in total. The hard disc device battery can take up to double the time to recharge than the solid state version, which does not seem compatible with its minimal increased battery life. Neither version has any real advantage here. Both versions of the music/video player are excellent entertainment devices, and whichever chosen is bound to please the owner.

The purchaser simply needs to decide their budget, and whether the MP4 player of their choice needs to have a huge array of films stored or be more compact and portable, needs higher quality graphics or whether standard quality is sufficient.

Roberto Sedycias works as IT consultant for http://www.polomercantil.com.br