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.
When to call your doctor. If you suddenly gain weight, call your doctor. Your doctor may tell you how much weight to watch out for. But in general, call your doctor if you gain 3 lb (1.4 kg) or more in 2 to 3 days. If you are gaining weight slowly, tell your doctor on your next visit.udden weight gain may mean that fluid is building up in your body because your heart failure is getting worse. Knowing how your weight is changing helps you manage your heart failure. It's not hard to track your weight.