Personal trainer Paul Plakas of Custom Fit and star of the Slice Network show called 'X Weighted' demonstrates four leg exercises specific to cyclists that build endurance and power. Video by Shaughn Butts, edmontonjournal.com
Sunday, December 25, 2011
Tuesday, December 13, 2011
Types of Strength
When it comes to strength there are many different kinds of it. Strength is an important factor for overall fitness. It is also needed to develop abilities such as power, speed, and stability. It also helps agility, mobility, and muscular endurance.
Absolute strength is the absolute amount of force that can be put out by a certain muscle. It would be hard to have an actual number for this since it's more of an estimate then anything else. The reason that it's more of an estimate is because to get an absolute strength number, you will actually have to disregard all the safety controls over your muscles to get to it. Most of time the only see absolute strength in emergency situations.
The next kind of strength is maximum strength. An example of this would be the amount of weight that you can lift one time. While it is nice to know these numbers most of the time maximum strength is rarely important for training. You can usually figure out a person's maximum strength by a six rep maximum test.
Relative strength is the next way to measure strength. It is the maximum force output divided by an individual's mass. For example, a heavyweight wrestler might be able to physically lift heavier weights than a lighter wrestler. However, when their weight is taken into account the lighter wrestler might have a higher relative strength ratio than that of the heavyweight wrestler.
Explosive strength is next. It is measured by the maximum amount of force that can be put out in the shortest amount of time.
Endurance strength is strength needed over a certain amount of time. A good example of this would be a bike rider pedaling up a mountain.
There are many different ways for you to increase your strength. The most common way is to lift weights. When you lift weights you are for the most part, increasing your maximum strength. There are certain weight lifting exercises that you can do to build up your explosive strength though. An example of this would be a clean and jerk. If you want endurance strength then your best bet is to lift but with lighter weights and many repetitions.
It is important that you don't focus on just one type of strength building activity. You will get the best results when you combine the different kinds of strength such as maximum strength and explosive strength. Overlooking one or the other can hurt you in the long run.
Saturday, December 10, 2011
Body Rider Magnetic Elliptical Trainer
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Saturday, November 26, 2011
Difference Between a Road Bike and a Mountain Bike
Bikes are one craze among the boys which they really fall for. Many men are especially fond about the custom built motorbikes. There are many kinds of bikes, and some of the most famous kinds of bikes are road bikes and mountain bikes, they are known for their specialization of their particular task. Road bikes are generally built in such a way so that they enhance the speed, and provide better mileage whereas on the other hand the mountain bikes are built to cater to the stability task. This is the major basis of differentiation between a road bike and a mountain bike. The following four areas will help to identify a better differentiation between a road and a mountain bike.
Design: Road bikes catering to the service of providing higher speed are designed in such a way that the rider's position is present much closer to the top tube. This hunched position enables the rider to get more power from your legs and the negative impact present in this posture is that it causes much strain on the back. There is a difference present in the handle of both the bikes. On one hand mountain bikes possess wide handle bar offering more control to the rider as against the bent handle bars in the road bike. The handles in the road bike are lowered thus designed to offer more energy which in turn offers greater speed.
Mass: Heavy weight as a known fact imposes greater constraint on the speed. To move down through the mountain it is important that you go down slowly, thus it becomes a necessity for mountain bikes to use heavy weight materials so as to reduce the speed of the vehicle. With a view to make the mountain bikes heavy they even have wider tyres and they even possess many suspension systems so that the ride down the mountain becomes more manageable. As far as the road bikes are concerned, good road bikes are designed with a view to reduce the weight of the bike, they utilize materials like titanium and carbon fibre which allows strength as well as they facilitate the function of reducing weight.
Tyres: Mountain bikes have traction. These are wide and they are closed with a covering material like rubber, which increases the surface area. These features permit the rider to get more control as they are riding down the mountain. The tyres of a road bike are thin and smooth. As far as the maintenance of friction in a road bike is concerned this depends on the surface of the rubber and the skill of the rider to maintain the friction between the bike and the road.
Suspension: Road bikes are built with a sole purpose of providing greater speed; they do not possess this feature, although they have certain materials which absorb the shocks of the uneven roads. Whereas in a mountain bike, there are features like front shock absorbers and rear suspensions.
To conclude you can get a cheaper bike at a price of 0 whereas on the other hand if you are looking for custom made bikes, they can cost you more.
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Sunday, November 20, 2011
Estación espacial - Space station
Asombrosamente bello y técnicamente deslumbrante, Space Station, es el primer film espacial en el sistema IMAX 3D. La audiencia volara a 3.200 kilómetros sobre la tierra a 28.000 Km./h para experimentar la estación espacial, la más grande obra de la ingeniería desde que el hombre descendió en la Luna.
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