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# How to determine body frame size

Updated February 21, 2017

Have you ever heard someone say that she is "large boned"? This is not just an excuse for someone who doesn't have a swimsuit figure. Determining whether you are overweight is not simply a matter of comparing weight to height. You also have to take body frame size into consideration. People are born with a frame that is either small, medium or large. Because larger bones weigh more, it should come as no surprise that a large-framed person who is 1.8 m (6 feet) tall would naturally weigh more than a small-framed person who is the same height. Two easy methods can help determine body frame size.

Wrap your thumb and longest finger on one hand around your other wrist. Be sure to wrap around the smallest part of the wrist.

Compare this measurement to the following test: If your thumb and finger overlap, then you are small-framed. If they touch, then you are medium-framed. If they have a gap, then you are large-framed. This is the first body frame size test.

Use body frame size test two. Measure the smallest part of your wrist, using a tape measure. You might be able to do this on your own, or you might need help.

Compare this measurement to the following chart for women: If your height is under 1.6 m (5 feet 2 inches), then a small body size will have a wrist measurement of less than 14 cm (5.5 inches); a medium body size will have a wrist measurement from 14 to 14.6 cm (5.5 to 5.75 inches ); a large body size will have a wrist measurement of more than 14.6 cm (5.75 inches). For women whose height is 1.6 m (5 feet 2 inches) to 1.7 m (5 feet 5 inches), a small body frame will have a wrist measurement of less than 15 cm (6 inches); a medium body size will have a wrist measurement from 15 to 15.9 cm (6 to 6.25 inches); a large body size will have a wrist measurement of more than 15.9 cm (6.25 inches). For women whose height is more than 1.7 m (5 feet 5 inches), a small body frame will have a wrist size of less than 15.9 cm (6.25 inches); a medium body frame will have a wrist size from 15.9 to 16.5 cm (6.25 to 6.5 inches); a large body frame will have a wrist measurement of more than 16.5 (6.5 inches).

Compare this wrist measurement to the following chart for men: If your height is over 1.7 m (5 feet 5 inches), a small-framed body will have a wrist size from 14 to 16.5 cm (5.5 to 6.5 inches). A medium body frame will have a wrist measurement from 16.5 to 18 cm (6.5 to 7.5 inches). A large body frame will have a wrist measurement of more than 18 cm (7.5 inches).

Compare the body frame chart for ideal body weight for medium-framed women: 45.4 kg (7 stone 2 lb) for the first 1.5 m (5 feet) of height, but 890 g (1 lb 15 oz) for each additional centimetre (0.4 inch). Add 10 per cent for a large frame and subtract 10 per cent for a small frame. So, for example, a medium-framed woman who is 1.67 m (5 feet 6 inches) would have an ideal body weight of 59 kg (9 stone 4 lb), while a large-framed woman the same height would have an ideal body weight of 64.9 kg (10 stone 3 lb), and a small-framed woman the same height would have an ideal weight of 53.1 kg (8 stone 5 lb).

Compare the body frame chart for ideal body weight for medium-framed men: 48.1 kg (7 stone 8 lb). of body weight for the first 1.52 m (5 feet) of height, 1.07 kg (2 lb 6 oz) for each additional centimetre (0.4 inch). Add 10 per cent for a large frame and subtract 10 per cent for a small frame. So, for example, a medium-framed man who is 1.83 m (6 feet) tall would have an ideal body weight of 80.7 kg (12 stone 9 lb), while a large-framed man the same height would have an ideal body weight of 88.9 kg (14 stone), and a small-framed man the same height would have an ideal weight of 72.6 kg (11 stone 6 lb).

#### Tip

Consult a physician before beginning any diet or exercise regimen.

#### Warning

These charts are not intended to take the place of your physician's care or advice.

• Tape measure