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Exercise Triggers Stem Cells to Become Bone, Not Fat Newswise — HAMILTON Sept. 1, 2011 – McMaster researchers have found one more reason to exercise: working out triggers influential stem cells to become bone instead of fat, improving overall health by boosting the body’s capacity to make blood. The body’s mesenchymal stem cells are most likely to become fat or bone, depending on which path they follow. Using treadmill-conditioned mice, a team led by the Department of Kinesiology’s Gianni Parise has shown that aerobic exercise triggers those cells to become bone more often than fat. The exercising mice ran less than an hour, three times a week, enough time to have a significant impact on their blood production, says Parise, an associate professor. In sedentary mice, the same stem cells were more likely to become fat, impairing blood production in the marrow cavities of bones.
Back-to-School Plastic Surgery: Going Too Far? The number of teens and children getting plastic surgery in the last ten years has gone up 30%. Either parents are getting worse at making their children feel good about themselves, or our kids are getting uglier and I don’t believe the latter. Is giving your child plastic surgery a good idea? My opinion is no. Your child is a child and I’m sure they do not make the best decisions all the time. Tell them to wait until 18 when they notice looking perfect isn’t always attractive. Butt Workouts by Type V Shape A V-shaped butt is full on top and wide on the sides but disappears lower down as the butt muscle approaches the top of the thigh. The trick to enhancing this shape is ensuring the entire buttocks muscle gets a workout. You won’t find any better advice for doing that than from original Buns of Steel star, Tamilee Webb. Webb’s favorite exercise for rounding out a V is called the Step Up. Find a stair or aerobic step bench that’s high enough so that when you step on it, your knee is at a 45-degree angle to your hip.
ATP: What Is It & Why Is It Important? For your muscles -- in fact, for every cell in your body -- the source of energy that keeps everything going is called ATP. Adenosine triphosphate (ATP) is the biochemical way to store and use energy. The entire reaction that turns ATP into energy is a bit complicated, but here is a good summary: The making of an action hero body - Entertainment - Movies - TODAY.com - StumbleUpon When I was hired to train an actor for an action film, the studio executives would express how important it was to transform their body so they looked like an action hero. That's why I made the decision to utilize the same method of dieting and training I used to win many of my champion body building competitions. Matt Damon and Kevin Spacey were extremely excited to work with me, which made my job a lot easier than it had been with some of my other celebrity clients. I have the actors do weight training in the morning and cardio at night.
How to Get to Your Healthy Weight - Healthy Weight Table of contents Introduction: Obesity and Health Risks When it comes to nutrition, it’s easy to spend a lot of time worrying about what to eat. But how much you eat puts as much of a stamp on your long-term health as picking the right kind of fat or choosing the right mix of vitamins. How much you weigh (in relation to your height), your waist size, and how much weight you’ve gained since your mid-20s strongly influence your chances of:
Top 50 Christmas Toys of the Past Century Have you started doing your Christmas shopping? You know there are only two weeks left, if you haven’t gotten out there time to get steppin friend. With only two weeks left in the shopping season people are beginning to feel the pressure of the oncoming holidays. I for one have not started my shopping and probably will continue to put it off for another week, shameful I know. Although I have yet to make actual purchases I have done some browsing online in my spare time.
What Causes Delayed Onset Muscle Soreness After Exercise Delayed onset muscle soreness (DOMS) describes a phenomenon of muscle pain, muscle soreness or muscle stiffness that occurs in the day or two after exercise. This muscle soreness is most frequently felt when you begin a new exercise program, change your exercise routine, or dramatically increase the duration or intensity of your exercise routine. Although it can be alarming for new exercisers, delayed onset muscle soreness is a normal response to unusual exertion and is part of an adaptation process that leads to greater stamina and strength as the muscles recover and build hypertrophy). This sort of muscle pain is not the same as the muscle pain or fatigue you experience during exercise. Delayed soreness is also unlike the acute, sudden and sharp pain of an injury such as a muscle strains or sprain that occurs during activity and often causes swelling or bruising.
CrossFit « christostriathlon1 Swim 500 Yards Maximum time allowed is 12 minutes, 30 seconds — but to be competitive, you should swim the distance in at least 8 to 9 minutes, utilizing only the Combat Swimmer Stroke, sidestroke, or breast stroke. Push-ups Minimum number is 42 in 2 minutes, but you should shoot for at least 100 for an average score. Perfect landing Daniel E. Lieberman/Harvard University On the left, a habitually shod Kenyan who is heel-striking; on the right, a Kenyan who has never worn shoes and who is forefoot striking in the way most barefoot runners land. Below are representative force traces (in units of body weight) showing how the two styles of running differ in the force generated when the foot collides with the ground. The barefoot runner lands with no collisional force. New research is casting doubt on the old adage, “All you need to run is a pair of shoes.”
Vaccination Nation Vaccines have been a topic of debate for quite some time. Many parents opt out of vaccinating their children because of scientific rumors, some feel that ancient diseases no longer need vaccinations because of their rarity. Other parents vaccinate their children willingly and unvaccinated playmates cause parents to fear for their child’s health. The MMR (measles, mumps and rubella) vaccine has sparked controversy after a physician published a paper linking it to autism. Delayed onset muscle soreness Delayed onset muscle soreness (DOMS), also called muscle fever, is the pain and stiffness felt in muscles several hours to days after unaccustomed or strenuous exercise. The soreness is felt most strongly 24 to 72 hours after the exercise.[1] It is thought to be caused by eccentric (lengthening) exercise, which causes microtrauma to the muscle fibers. After such exercise, the muscle adapts rapidly to prevent muscle damage, and thereby soreness, if the exercise is repeated.[2]
National Geographic Adventure - StumbleUpon At the cold upper reaches of the Atlantic, Iceland is marked by the fiery wrath of volcanoes and the cool precision of steamrolling glaciers. It's also a spot of remarkable instability, situated right on top of the rift between the North American and European tectonic plates. Dubbed Silfra, the fissure is filled with water that, melted from glaciers and filtered through lava fields, is some of the clearest on the planet, often topping 300 feet (91 meters) of visibility. Though the water barely scrapes above freezing, it's a favorite among divers. The dive starts on a nondescript platform in the barren tundra of Thingvellir National Park, a UNESCO World Heritage site. There, divers squeeze into down-lined drysuits and plunge into the water.