Answer Wiki. The system would be cued off the pilot's helmet, so it will definitely look where your head is pointing, not your eyes specifically (that would be a gaze-tracking system, which AFAIK hasn't yet been used for this kind of application).
Exercise to Gain Leg Weight. Although you can't make your body gain weight in your legs, you can perform exercises that encourage the growth of leg muscle. Squats, lunges and step-ups are examples of such moves that target the legs and recruit a lot of muscle fibers for growth.
1 Do 3 sets of 15 push-ups, or as many as you can before growing fatigued. Add more reps as you gain strength. 2  Push ups also work your triceps and shoulders (deltoids).  Try this variation: elevate your legs by placing our feet on a block or step before doing the exercise.