Gist
Yes. Circuit training can support weight loss by combining resistance work with sustained movement, but lasting results still depend on an overall calorie deficit.
Yes. Kettlebell swings can provide vigorous cardiovascular conditioning, particularly in timed sets or intervals, although heart rate can run unusually high relative to oxygen consumption.
Yes. Kettlebell swings can support weight loss by adding vigorous, time-efficient exercise, but lasting results still depend on an overall calorie deficit.