Body Fat % – Tracking your body fat percentage lets you know that you’re headed in the right direction for overall better health. Weight – Monitoring your weight can help you understand your personal patterns so you can achieve optimal health. Muscle Mass – Tracking muscle mass helps ensure that weight loss is actually due to burning fat and not the loss of healthy muscle. Bone Mass – Bones naturally weaken with age. Monitoring bone density levels is vital for continued well-being. Water Weight – Maintaining a healthy total body water percentage will ensure you’re staying hydrated.