Exercising in winter can be deceptive. Decisions regarding the regulation of metabolic rate and heat dissipation can be skewed because the body is already working hard to ward off the cold before the workout begins.
In a statement from the weight-loss support group TOPS Club, teacher, former body-building champion and physical fitness expert Amy Goldwater said skiing, skating, walking, snow shoeing and jogging can be beneficial and invigorating, but exercisers should consult with a doctor before starting a new fitness program.