• Bicep - Circumference of the upper arm measured around the fullest point between the elbow and shoulder.​

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• Body Fat Percentage - Percentage of your body composed of fat.​​

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• Body Mass Index (BMI) - Estimation of the amount of body fat using only height and weight.

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• ​Body Surface Area - Total external surface area of a body.​

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• Calf - Circumference of the lower leg measured around the fullest point between the knee and ankle.​

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• Chest - Circumference measured around the fullest part of the chest.​

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• Fat Mass Index (FMI) - A ratio that looks at a body's fat mass in relation to height.​

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• Fitness Index - Single value metric for health and fitness tracking.​

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• Forearm - Circumference of the lower arm measured around the fullest point between the elbow and wrist.​

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• Lean Body Mass - Total weight of your body, minus fat mass.

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• Seat - Circumference measured at the fullest point between the waist and thigh.​

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• Stomach - Circumference measured around the abdomen at the navel level.​

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• Thigh - Circumference of the upper leg measured two inches below the crotch.​

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• Visceral Fat - A type of fat that is stored inside your abdomen, surrounding your internal organs.

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• Waist - Circumference measured at the narrowest point of the torso between the chest and hips when viewed from the front.​

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• Waist to Hip ratio (WHR)- Compares the circumference of your waist (at the navel) to that of your hips.​

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• Weight - Total mass of a body.