WHR (Waist-Hip Ratio)

WHR (Waist-Hip Ratio) is the ratio of the circumference of the waist [in cm] and the circumference of the hips [in cm]:

WHR = (Waist circumference in cm) / (Hip circumference in cm)

The WHR refers to the proportions of fat distributed around the torso. Depending on whether the fat is predominantly subcutaneous in the hip and thigh area (gynoid or peripheral fat distribution) or abdominal (android or central fat distribution) reference is made to 'pear' and 'apple' shapes for simplicity.

To support the individual efforts of preventive behaviour it is possible to set Goal values for this parameter.

The Health risk presented by android fat distribution is classed as being higher since fatty tissue in the abdominal area is clearly more metabolically active than subcutaneous fat.

Visceral fat mass can be assessed from the waist circumference. The following threshold values according to [Lean et al. 1995] apply to the risk of metabolic complications:

Consequently, in the case of a BMI over 25 the waist circumference should always be measured!

Fat distribution can be assessed relatively easily from the WHR. Gynoid distribution is more common among women, whilst android distribution is more typical among men. Consequently, Gender-specific differences with regard to WHR are taken into account when establishing threshold values. The following values should not be exceeded:

Health risks presented by too thin 'wasp waists' are not currently known, physical build will set its own natural limits. The lower ranges indicated as distinctive in the overview of the ranges used in the GMON serve exclusively to raise awareness of the need to pay attention to the body readings.

The healthy values indicated should not be exceeded. Fat distribution can be influenced effectively under professional guidance through adequate exercise and a sensible diet.

Refer:

Overview of classification ranges used in the GMON

Health risk presented by android fat distribution

Gender-specific differences with regard to WHR