Cardiovascular Exercise

Q: Why is an elevated heart rate alone not always a valid indicator of an effective aerobic-training stimulus?

Q: What causes the pain in my side that occurs suddenly while I am running and how can I prevent it?

Q: Is step aerobics hard on your lower extremities?

Q: Will I lose body fat more efficiently by performing my aerobic workouts at a low, rather than a high, intensity?

Q: What is cross training and does it offer any significant benefits?

Q: I sweat profusely (literally dripping wet) during my aerobic workout. Is this an indication that I'm out of shape?

Q: Can a person be too flexible?

Q: Is it true that a low level of aerobic fitness is associated with a shorter life span?

Q: How much improvement in aerobic capacity can a person typically expect to experience, and how long does it take?

Q: Does an aerobic workout cause an individual's resting metabolic rate to stay elevated for a long time after a workout (the so-called ''after burn'' effect)?

Q. Does aerobic exercise suppress a person's appetite? Some experts say it does, others say it doesn't. Who's right?

Q: What is a ''second wind''?

Stength/Resistance Training

Q: I am constantly being asked just how resistance training actually creates and maintains bone strength, and I don't have a good answer! Any light you could shed on this topic would be greatly appreciated.

Q. What's the secret to looking cut?

Q: What is functional strength training? Math Formulas and Calculations Caloric Conversions VO2 Max Body Fat Heart Rate - resting and exercise Body Mass Index Label and Nutrition Calculations

*Q&A from American Council on Exercise