You can still eat healthy foods and get ample rest while you wait, though.Tes CoreYogurt is a great food to eat for fitness. Yogurt is really good for your digestive system, and offers many other health benefits, as well. It's also a great source of protein and calcium. Dairy is a sound product to consume when aiming for a healthy lifestyle.Tes CoreWhen doing situps or crunches, keep your tongue firmly pressed against your palate. By keeping your tongue in this position, it will align your neck muscles properly while performing an abdominal exercise.