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Sex: Male
Height: 185 cm (6 ft 1 in)
Age: 34 years
Name: John D.
Weight: 97.3 kg (214 lbs)

**Body Mass Index (BMI):**
BMI = 97.3 kg / (1.85 m)^2
Category for BMI: Overweight risk

**Body Fat Prediction from BMI:**

**Girth Measurements:**
- Waist girth:
- T₁: 97.5 cm
- T₂: 98.0 cm
- Average: 97.75 cm

- Hip girth:
- T₁: 105.5 cm
- T₂: 106.0 cm
- T₃: 106.5 cm
- Average: 106.0 cm

Waist-to-Hip ratio:
Category for Waist-to-Hip Ratio: →

**Skinfold Measurements (Male):**
- Triceps:
- T₁: 16.0 mm
- T₂: 15.5 mm
- Average: 15.75 mm

- Subscapular:
- T₁: 18.0 mm
- T₂: 17.0 mm
- Average: 17.5 mm

- Chest:
- T₃: 15.5 mm
- Average: 15.5 mm

- Mid-Axilla:
- T₁: 27.0 mm
- Average: 27.0 mm

- Suprailiac:
- T₃: 20.5 mm
- Average: 20.5 mm

- Abdomen:
- T₃: 24.5 mm
- Average: 24.5 mm

- Thigh:
- T₃: 28.5 mm
- Average: 28.5 mm

**Sum of Skinfold Sites:**
- Sum of 3 Skinfold sites: (Triceps, Chest, Mid-Axilla)
- Sum of all 7 Skinfold sites:

**3-Site Body Density (Db):**
\[ \text{3-Site Db} = 1.10938 - [0.0008267 \times (\text{sum of 3})] + [0.0000016 \times (\text{sum of 3})^2] - [0.0002574 \times (\text{age})] \]

\[ \% \text{Body Fat} = \left( \frac{495}{\text{3-Site Db}} \right) - 450 \]

**7-Site Body Density (Db):**
\[ \text{7-Site Db} = 1.112 - [0.00043499 \times (\text{sum of 7})] + [0.00000055 \times (\text{sum of 7})^2] - [0.00028826 \times (\text{age})] \]

\[ \% \text{Body Fat} = \left( \frac{495}{\text{7-Site Db}} \right) - 450 \]

**Goal Weight Calculation:**
- Current Body Fat (BF%) from BIA analysis: 19%
- Fat Mass = Total Body Weight × BF%
- Fat-Free Mass (FFM) = Total Body Weight - Fat Mass
- Goal BF%: 10%
- Goal Weight = FFM / (1 - Goal BF%)

Answer :

John's goal weight to achieve a 10% body fat percentage is approximately 192.6 lbs.

Fat Mass Calculation: John's current weight is 214 lbs, and his current body fat percentage is 19%.

To determine the amount of fat in his body, you multiply his total weight by his body fat percentage:

Fat mass = 214 lbs * 19% = 40.66 lbs

This represents the weight of fat in his body.

Fat-Free Mass (FFM) Calculation: FFM is the remaining weight in John's body after subtracting fat mass.

It includes muscle, bones, organs, and other non-fat tissues:

FFM = Total body weight - Fat mass

FFM = 214 lbs - 40.66 lbs = 173.34 lbs

John's fat-free mass is 173.34 lbs.

Goal Weight Calculation: John's goal is to achieve a 10% body fat percentage.

To determine the weight he needs to reach this goal, you can use the following formula:

Goal weight = FFM / (1 - Goal BF%)

Goal weight = 173.34 lbs / (1 - 10%) = 173.34 lbs / 0.9 ≈ 192.6 lbs

Reaching this goal weight, while maintaining muscle and overall health, would require a combination of appropriate nutrition, exercise, and possibly guidance from a healthcare professional or a fitness expert.

It's essential to approach weight management and body composition goals in a healthy and sustainable manner to ensure long-term well-being.

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Rewritten by : Barada

Based on the provided information, John D. is a 34-year-old male with a height of 185 cm (6ft 1in) and a weight of 97.3 kg.

His Body Mass Index (BMI) categorizes him as overweight, indicating an increased risk. The analysis of his body fat percentage using skinfold measurements suggests a body fat percentage of 19%. John's goal is to achieve a body fat percentage of 10%.

The information provided includes John D.'s demographic details such as sex, age, height, weight, and body measurements. The Body Mass Index (BMI) calculation is used to assess his weight status, with a result indicating overweight. The skinfold measurements at various sites are used to estimate body fat percentage, which is found to be 19% based on the provided data.

Furthermore, the analysis mentions John's goal to achieve a body fat percentage of 10%. To calculate his goal weight, the fat mass is determined by multiplying his total body weight by the current body fat percentage. The fat-free mass (FFM) is then obtained by subtracting the fat mass from the total body weight. Finally, the goal weight is calculated by dividing the FFM by (1 - goal BF%), where the goal BF% is set at 10%.

Overall, the information provided gives an overview of John D.'s current body measurements, categorizes his weight status and body fat percentage, and outlines his goal to achieve a specific body fat percentage by calculating the corresponding goal weight.

To learn more about Body Mass Index, here

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