Trend in fitness programming

    Identify a recent trend in fitness programming and locate a research article that examines its efficacy. While there may be some repetition of topics, the research article you include should be unique (first come-first served). In your post, discuss how likely each of the following populations would be to take part in this style of training: youth, people who are overweight and sedentary, healthy middle-aged athletes. Please include data-driven benefits as well as warnings or limitations about your selected style of training.