This is interesting, esp. as schools are cutting down recess/playtime & phys ed, and the nutritional value of the food kids eat in schools is completely inadequate. Brains can't work well if the rest of the body isn't being taken care of.
The program "Coaches Eye" can be very helpful recording a video while breaking down sport cues on an ipad. You can also record audio descriptions of the activity you are performing. This can be used to assess cues specific to an activity.