Take some ribbon and tie it around your waist.

Waist - run tape around your natural waistline.

Bust - wrap the tape around the fullest part of your bust with your bra.

Hips - this is measurement around the fullest part of your buttocks.

Biceps- this is measurement around the fullest part of your upper arm.

Back - it's measured from the neck base until the waist.

If you bend your head down you will find the seventh bone on your neck - that's the neck base.