But the other two are critical components of leadership as well, involving body language and yes, fitness.
To perhaps the greatest amusement of outsiders, Arthur suggested that some players had unacceptably high numbers of skinfolds, a measure of body-fat percentage and indirectly of fitness.
The 39-year-old, who captained the Welsh county to the 1997 championship, said his body can no longer keep up with the fitness demands of the game.
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"Maybe what is interesting about my Body for Life picture is that in terms of fitness I have come close to the ideal of what people imagine a male physique should look like while at the same time missing one fourth of the limbs that you are supposed to have, " says Sundquist.
"I think that's the thing people don't understand -- the heightened intensity does damage to your body, immune system, energy levels, on the fitness of your muscles, ligaments, tendons, " Gimelstob said.
Fitness pros from elite coaches to beach-body bootcamps are upping intensity and shortening workouts to get clients better results, and Dr. Tabata himself is in talks to develop a fitness DVD series with Universal Studios.
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No matter what my level of fitness, there are things that sag and bag on my body.
Using almost every muscle group in the body, the sport has long been hailed for its all-round fitness benefits.
For ordinary civilians to really make use of the tidbits of time and interstitial situations in their lives to increase their fitness, they need at least a baseline of training and body awareness that most, unfortunately do not have.
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Parker interviewed one woman, a 41-year-old black fitness instructor that wears a size 14, who said she loves her body.
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Gravity takes over when you perform most exercises, like a dumbbell curl or a kettle bell swing, giving the body a chance to relax, says Rowdy Yates, a certified personal trainer and fitness manager at Crunch gym in New York City.
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His article does touch briefly on health and fitness apps, and this is an area in which a smartwatch, and body-attached computing generally, might soar into a productive realm of differentiated innovation.
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Wearable 3D body motion tracking is enabling the next wave of innovation in cloud-connected wearable sports, fitness, healthcare and gaming sensor accessories for smartphones.
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First, you have to pay attention to your body's abilities, says Cedric Bryant, chief science officer for the American Council on Exercise, the nonprofit fitness certification and education provider.
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