In Depth Observation
My observation was the interaction between a user, a video game and the remote controller used. The person in my observation has always been sitting with their direct attention to the screen. The user will have to go through a few steps to get the game going. They turn on the game system, wait for the game to load then press start and choose the kind of game.
The user will always keep the controller in their hands even when the game is on pause. The more experienced the user the more fluid their movements. A user just learning will occasionally look down at the controller to see which buttons they are pushing, while an experienced user will know exactly which buttons they are pushing at all times.
The worse the person is doing in the game the more movements using their entire body. As though if they use more of their body they will get more response from the remote control. The closer the game is between the users the closer each user will lean in to see the screen.
The most strenuous part of playing the game would be the use of the user's thumbs. If the user does well in the game or loses there is typically a vocal response.