Circuits
A mix of skipping, press-ups, ab crunches, etc., taken one after another over a fixed time period.
After 30 mins: around 300+ calories depending on intensity
Swimming
Popular form of very low/no impact exercise but a fairly modest calorie burner.
After 30 mins: around 200+ calories depending on intensity
Jogging
Great fat burner if done regularly and good for the heart. Stress on knee joints sometimes a problem.
After 30 mins: around 350+ calories depending on intensity
Indoor Rowing
Thought by many to be the best all-round toner, cardiovascular exercise and fat burner.
After 30 mins: around 350+ calories depending on intensity
Tennis
A good overall calorie burner but stretch injuries are fairly common.
After 30 mins: around 250+ calories depending on intensity
Aerobics
Gaining more popularity with men. Good for toning and flexibility. The group element keeps motivation going.
After 30 mins: around 250+ calories or more depending on intensity
Weights
Effective technique is the key. Strength and power combine with calorie burn to sculpt and tone.
After 30 mins: 270+ calories depending on intensity & technique