Losing weight is the goal, and Sanda is an interest. I suggest you choose fitness first, and then choose Sanda after you have a certain foundation in fitness. Because Sanda will be stricter than fitness requirements. Good physical strength, endurance and strength are very helpful for learning Sanda. Of course, the weight loss effect of Sanda will not be worse than fitness. Learn to be beaten first, then learn Sanda. In other words, before learning Sanda, you should have good fighting ability; Good tolerance; Good adaptability; Good toughness; This will get twice the result with half the effort.