Wrap your thumb and forefinger around your wrist in the area you normally wear a watch. Grip your opposite wrist using the thumb and middle finger.
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Wrist measurement for body fat. Difficulty in gaining body fat and muscle. Lean body mass women weight 0732 8987 wrist 3140 waist 0157 hip 0249 forearm 0434. In the book brawn stuart mcrobert published the old john mccallum formula for challenging yet realistic measurements for hard gainers. 86010 waist neck 100 70041 x height 100 3676. Insert your measurements into this formula. Ectomorph thumb and middle finger overlapping with ease.
Use a tape measure to determine your waist wrist hip and forearm circumference. Then input your gender and measurements below to receive a body fat index based on average values. The body fat index is not an indicator of fitness level since the calculation is made with no regard to height or weight. Measuring your wrist with your fingers. If you are interested how it works here are the formulas we use. John mccallums realistic measurement ideals for hard gainers.
Step 7 divide your bodyweight by the. Body fat weight weight lean body mass. The result determines your percentage of body fat. If youre right handed use your right hand to grab your left wrist. Lean body mass men weight 1082 9442 waist 415. While the measuring tape method may be the most accurate way to determine body frame size you can also use your thumb and index finger to estimate your frame size.
His formula is based on wrist measurement.
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