At the age of 35 Kettlebells were new to me and to be honest I didn’t really understand the full range of benefits.
If you are at all in doubt about what sort of intensity and what sort of results you can achineve from Kettlebell workouts then read this passage form the press release from the American Counsil on Exercise:
“Researchers credit the brisk calorie burning to the fact that the kettlebell snatch workout is a total-body movement performed in an interval-training fashion. Study participants were observed to achieve exercise heart rate that ranged from approximately 86 to 99 percent of maximum heart rate and 67 to 91 percent of maximum oxygen uptake, suggesting that the use of kettlebells provides a much higher-intensity workout than standard weightlifting.”
You can read the full article at www.acefitness.org or download it here