You have been hired as a consultant to a group of new coaches. You are to explain muscle action to them in a way that they can use it to assist the athletes they are coaching. One group of coaches works with figure skaters, a second group works with baseball pitchers, and the third group is training athletes for the cross-country team. Describe the types of activities that you would expect to be important in each of the athletic events described. Indicate what type of muscle activity would be needed, as well as the type of activity that you would recommend in training.