On weekends, I'm chasing my six-year-old girls around the city. That's my cardio! — David Kirsch Copy Share Image
People tend to lean on cardio machine handles, and their posture begins to suffer. — David Kirsch Copy Share Image
I'm sure strength-and-power people have been using kettlebells for years, but that doesn't necessarily mean they will work in a general training program. — David Kirsch Copy Share
You want to have fun and try new things but also shock your muscles with new workouts so that you keep your body guessing… — David Kirsch Copy Share
Your body is smarter than you are, so you always have to stay one step ahead. — David Kirsch Copy Share
The point of workouts are no longer to do double 60-minute sessions or go to classes five times a week. You don't want to… — David Kirsch Copy Share
Clients like Kerry Washington stay energized by substituting high carb, high fat foods with a diet rich in lean protein and low-calorie, fiber-rich vegetables.… — David Kirsch Copy Share
In my experience, working with a bride-to-be, the last couple of weeks leading up to the wedding is uber-stressful. — David Kirsch Copy Share
Despite popular belief that watermelon is made up of only water and sugar, watermelon is actually a nutrient-dense food with a high amount of… — David Kirsch Copy Share
Slow-twitch muscle fibers are mostly used for long endurance exercises like aerobics, swimming, and distance running. Fast-twitch muscle fibers are generally more powerful and… — David Kirsch Copy Share
You need to stick to a workout that fits into your lifestyle, targets your body issues, but also correlates to your objectives, whether you're… — David Kirsch Copy Share
Women often use weights that are too heavy. I like to stay in the 3- to 15-pound range. If you're more fitness-experienced, use weights… — David Kirsch Copy Share
Nuts have gotten a bad rap because of their high fat content. But their protein, heart-healthy fats, high fibre, and antioxidant content earn them… — David Kirsch Copy Share
Most of the time, I am quite familiar with the airports from which and to which I am traveling, and I know what I… — David Kirsch Copy Share
