dulcemorena481: I've only been kickboxing for 4 weeks, but already my arms and abs are toning up. It's helped strengthen my upper body. And since I broke my arm last year and have herniated disc in my neck, I have to exercise caution with weight training.#9Round #30minutecardio #nonstop #kickboxing #lovesit 💪🏾👊🏾👌🏾