Learn the three fundamental categories of exercise: stretching, aerobic training, and resistance training in this video lecture. Lecture also discusses how you can incorporate these exercise recommendations into a workout. [10:10]

The Physics we're talking about today has saved your life! Whenever you walk across a bridge or lean on a building, Statics are at work. Statics is the study of objects when they're NOT accelerating. In this video [9:07] episode of Crash...