Posts tagged: sports

Dec 01 2009

The Basics of Scuba Diving Safety

Scuba diving is a unique and beautiful experience that everyone should try at least once in their lifetime. Barring perhaps hydrophobics, almost anyone will find the experience of being underwater and floating along both exhilarating and relaxing at the same time. However, without proper training and preparation, scuba can also be a dangerous undertaking, with hazards that can affect the unprepared. With proper equipment and precautions, however, it is a safe and wonderful thing to do. Here are a few safety tips for the beginning scuba diver to consider before taking up diving in earnest.Training – Get certified. Take a training course that has official certification. If diving only for sport while on vacation like some people do, make sure that you have a certified instructor accompanying you on your dive. If diving in earnest, take a course that will actually give you a certificate for diving (not necessarily as an instructor, but one that will register you as a certified and capable scuba diver).Physical Conditioning – see a doctor before taking up scuba. Make sure that your doctor gives you a clean bill of health for the physical exertions required in scuba. While mentally relaxing, scuba diving involves enough physical effort that people with weak cardiovascular and especially respiratory systems can’t indulge in it. Asthma, a weak heart, tendencies for asphyxiation, all of these can disqualify a person from scuba diving. Also on the note of physical capability, knowing how to swim is a huge bonus. While not a necessity because scuba gear allows even those who don’t know how to swim to navigate underwater, it is nonetheless a very good thing to know. After all, you’ll be underwater…Avoid Places Where Bad Things Dwell – your training and certification in scuba will include a ranking that determines what levels of underwater hazards you’re trained to tackle. Avoid any places that you aren’t certified to handle. These areas will usually be very dangerous for the untrained, and will usually include special hazards that need their own branch of specialized scuba training or certain pieces of equipment to overcome. Examples include scuba diving in shark infested waters, ice floes, amongst coral reefs with toxic or aggressive underwater lifeforms, underwater caves, and shipwrecks.Proper Equipment Is A Must – your training and certification should also include care and maintenance of the scuba equipment. If you’re using your own equipment, make sure that you take excellent care of it, keeping it in top condition. No matter how skilled you are at navigating underwater, man is NOT biologically aquatic, and your equipment is all that’s keeping you alive down there. If renting equipment, give it much more than a cursory once-over. Examine it carefully to make sure there are no flaws in the gear that might cause it to fail during a dive. One of the hazards of scuba diving is drowning if your breathing apparatus gives out.Don’t Dive Alone – Always have a dive buddy or an instructor with you, as long as you are with someone who has more experience than you. If you’re diving with a buddy, don’t bring along someone who’s also a noobie if you yourself are new to the game. If you’re an old hand diving with a noobie, make sure that your partner knows how to follow your instructions once underwater. If you MUST dive alone, then at least have someone manning the boat on the surface to make sure you’ve got a buddy on overwatch.Study Conditions Before The Dive – listen to weather reports before the dive to make sure you don’t wind up diving during a typhoon or worse, a thunderstorm. Even if the conditions seem okay for diving, make sure to pack enough medical equipment to compensate for sudden changes in the weather. Even if it’s a heat wave and not something related to wind and rain, adverse weather can be problematic. Heat waves have been known to cause heat stroke and dehydration to divers who thought they were safe from the heatwave because they were underwater. Remember that water conducts heat more efficiently than air.Know When Bad Things Are Happening – learn and internalize the medical signs and symptoms of the following conditions, as they are the maladies that usually afflict divers. Hypothermia, dehydration, heat exhaustion, and asphyxiation are the things to watch out for, as well as a diver-specific malady called decompression sickness, which occurs when a diver’s body is submitted to and becomes accustomed to high pressures underwater, as well as having air bubbles form in the body from prolonged breathing of high pressure gas. Returning to the surface where the body no longer is subject to these pressures can lead to dizziness, sickness, and vomiting from system shock. It is in a way, comparable to a person being used to the thin air of mountain climbing, when the climber goes back to a normal atmosphere and breathes a higher concentration of oxygen.

Nov 29 2009

Fitness and the Family: How to Succeed in Getting Into Shape With the Missus and the Kids

Fitness should be a family affair. If families share nice movie nights together, exercise should be just as uniting. According to Willie Gault, a former football star: “You’ve got to find something that children like to do and do it as a family.” Gault was referring of course to exercising. If exercising is to become a family affair, it has to be something that all the members of the family would love to do. Ill health becomes a family affair, unfortunatelyJust what kinds of health problems do families share? The list is nearly limitless, but let’s go back to the root of the problem. There is a disproportionately large disparity between unhealthy eating habits and physical activity. Often, folks who are engaged in office work are the least likely to start exercising on their own. According to the Olympian Florence Griffith-Joyner, the co-chairman of the President’s Council on Physical Fitness: “I can’t think of a person who’s doing so much, that they can’t make the time [to exercise]. It’s just that we’re choosing other things as a priority.” Exercise time is quality time Exercise would work best if you do it everyday. However, if you want to develop a rhythm first with the family, schedule exercises three to four times a week. Put gaps in between exercises. Walking is a good exercise for the family. To make things more interesting, schedule regular walks around the city. Then once every two weeks, or even once a week, go on nature hikes. Most US states are close to reserves or small nature parks. Camp out with your kids and emphasize the need to be more physically fit. Climbing is also a good way to bond with the family. At the same time, an hour of climbing can burn between 400 to 700 calories. That’s a lot of burnt flab, don’t you think? With climbing, you only have to invest in some quality training gear. Climbing shoes (thinner and more flexible than regular athletic shoes), climbing wear (made of spandex or a mixture of polyester and some other light materials like cotton) and of course, safety harnesses. If you have enough training with safety harnesses, you can choose to use your own and waive the right to use a gym or health club’s own equipment. After a month or so in the health club, you can join a community mountain climbing club and partake of the real deal.Goals Keeping physically fit with the family is all about setting goals. You don’t have to write down goals, but if you’re actually making progress with stubborn kids, then you’re already investing in the future. Being physically fit and the capacity to follow a discipline life is something that every child needs to learn. It’s a harsh world out there, and without discipline, who knows what will happen? Other benefits of exercising together with your family are of course better health, and for the kids, improved self-image and bolstered self-confidence.  There’s no way to go but up for the family that stays fit together.

Nov 20 2009

The Workings of your Bike’s Gears

The gears in mountain bikes just keep getting more and more intricate. The bikes of today have as many as 27 gear ratios. A mountain bike will use a combination of three different sized sprockets in front and nine in the back to produce gear ratios. The idea behind all these gears is to allow the rider to crank the pedals at a constant pace no matter what kind of slope the bike is on. You can understand this better by picturing a bike with just a single gear. Each time you rotate the pedals one turn, the rear wheel would rotate one turn as well (1:1 gear ratio). If the rear wheel is 26 inches in diameter, then with 1:1 gearing, one full twist on the pedals would result in the wheel covering 81.6 inches of ground. If you are pedaling at a speed of 50 RPM, this means that the bike can cover over 340 feet of ground per minute. This is only 3.8 MPH, which is the equivalence of walking speed. This is ideal for climbing a steep hill, although bad for ground or going downhill. To go faster you’ll need a different ratio. To ride downhill at 25 MPH with a 50 RPM cadence at the pedals, you’ll need a 5.6:1 gear ratio. A bike with a lot of gears will give you a large number of increments between a 1:1 gear ratio and a 6.5:1 gear ratio so that you can always pedal at 50 RPM, no matter how fast you are actually going. On a normal 27 speed mountain bike, six of the gear ratios are so close to each other that you can’t notice any difference between them.  With actual use, bike riders tend to choose a front sprocket suitable for the slope they are riding on and stick with it, although the front sprocket can be difficult to shift under heavy load. It’s much easier to shit between the gears on the rear. If you are cranking up a hill, it’s best to choose the smallest sprocket on the front then shift between the nine gears available on the rear. The more speeds you have on the back sprocket, the bigger advantage you’ll have. All in all, gears are very important to mountain bikes as they dictate your overall speed. Without gears you wouldn’t be able to build speed nor would you be able to pound pedals. The gears will move the pedals and help you build up speed.  There are all types of gears available in mountain bikes, all of which will help you build up a lot of momentum if you use them the right way.

Nov 09 2009

Enjoying Rappelling With Mountain Climbing

Mountaineering, mountain climbing, top rope, bouldering or rock climbing, whatever you want to call it, these names all pertain to the wonderful and exciting sport of reaching the peak of a goal. Experienced climbers know the adventure and fun in store in climbing a mountain. There are many trails, sites and stopovers that can definitely provide you a whole new perspective. People sometimes need a change of scenery to refresh the body and the mind. Mountain climbing and exploring the outdoors can give the right setting for such needs. This is also a good opportunity to get closer to nature. Thus, it is best for you to explore this wholesome activity. This is one good way to challenge your body. This is also a way to stimulate the mind and spirit by giving it a refreshing drive. You will do more than just mere hiking when you go mountain climbing. You will also get to learn how to work well with other people in a group, proper balancing, controlling movements, following a lead and even taking safety considerations. Rappelling is also one thing that you can only enjoy here. It will definitely be one of the best decisions you will make in your lifetime. Thus, if you are interested in learning the many ways of mountain climbing and rappelling, you must do your homework. Research on how you can start on this activity and take initiative in making this plan a reality. Some Helpful Tips for Climbing and Rappelling Activities For most beginners, this exciting sport will have to be properly prepared to ensure safety and fun at all times. Here are some points to keep in mind when you go mountain climbing and rappelling. 1. Climbing Guides First consideration is the need to take caution at every step of the way. It is best to get the assistance of a climbing guide. Basically, the guide will keep you on track. Make sure that he or she is qualified enough to take on the task. A certification by the IFMGA or the International Federation of Mountain Guides Association will be a good assurance. 2. Get Proper Instruction There are many equipment, terms and techniques that you will encounter in climbing. These will come in handy as you communicate with fellow climbers and learn the various ways they do their climbing and rappelling. As such, it is best to get the right education when it comes to such things. There are instructions offered by climbing guides, groups or organizations that can cater to your level of ability. Be sure to take this opportunity. The beginners can be best taught the proper ways in climbing and rappelling through training. Indoor man-made rock walls will help in giving you a feel of what you will face outdoors. Most people find rappelling down more difficult than climbing up. If you train indoors, you can learn rappelling techniques until you are confident enough. This way, you can easily learn even if you are still trying to overcome your fears. You can also choose to get personal instruction on your rappelling abilities. The personal instructor can very well adjust to your pace and guide you in every detail that you need to focus on. 3. Have the Right Equipment Any climbing and rappelling endeavors must also be supported by the right equipment at hand. Make sure you have all the necessary things on hand. The helmet is a must to keep you head safe from any falling debris, bumps, or bruises. The climbing shoes must also be worn to keep you safe from any slippery steps. Check also the climbing package. Make sure you have all the tools needed like the food, rope, chalk, harness among many others. Make sure also that you take care of your equipment really well. For example, if you want to focus more on rappelling, you must keep the necessary things at hand. Protect your rappel and know how to use it when the need arises. By doing these things, you can easily focus on the fun experience. Conclusion Mountain climbing and rappelling may be foreign to you for now, but with the right research, preparation and training, you will definitely be one of those raving on how fun these adventures can get.

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