<span>This is true. If your muscles are stronger then your bones will lose less because they work together with muscles. An easy example can be your spine. If you have strong back muscles there's less chance that you will suffer from spine injury from things like falling or lifting heavy objects. Bone loss is the same in that domain.</span>
Kyle is definetlyunderweight you can tell even before doing the math. If he is 6 foot and weighs 125 LBS this man needs to see a doctor because he should be atleast 175 which would give him a BMI of 23.7