Body composition assessments are a cornerstone of effective goal tracking and adjustment in fitness and health programs. By using consistent and diverse measurement methods, you gain a clear picture of your progress, helping you stay motivated and adapt your approach as needed.
Prerequisites
Tool(s) to take measurements
Commitment to a consistent measurement schedule.
Goals
Develop a systematic approach to tracking weight, body fat percentage, circumference measurements, and physical appearance.
Use measurable data to evaluate progress toward your goals.
Make timely adjustments to your program based on results.
What
To track progress effectively, it is critical to measure various aspects of your body composition regularly. Relying on one metric, such as weight, can be misleading, as other measurements might reveal more significant trends. Combining weight, body fat percentage, circumference measurements, and photos provides a comprehensive view of your progress.
How
Weight
Tools: Scale
When: First thing in the morning, after using the restroom and before eating or drinking.
How: Stand nude on the scale for consistent and accurate readings.
Why: Morning weigh-ins reduce variability caused by food, drink, or clothing.
Body Fat Percentage
Tools: Body fat can be measured using two common methods: bioelectric impedance and skinfold calipers. Each has its strengths and limitations, so choose the method that best fits your goals and resources.
Bioelectric Impedance
How It Works: Bioelectric impedance scales send a small electrical current through the body to estimate body fat based on resistance differences in muscle, fat, and water.
Pros:
Ease of Use: Simply step on the scale and follow instructions.
Quick Measurements: Results are available in seconds.
Minimal Expertise Required: No special training is needed.
Cons:
Variability: Measurements can fluctuate based on hydration levels, recent meals, or time of day.
Less Precision: Compared to other methods, bioelectric impedance can have a higher margin of error.
Generalized Algorithms: Many devices use population averages, which may not account for individual factors like body composition, bone density, or ethnicity.
Skinfold Calipers
How It Works: Skinfold calipers measure the thickness of subcutaneous fat at specific sites on the body. These measurements are used in formulas to estimate overall body fat percentage.
7 Site Skinfold Caliper Assessment
Always take the measurements on the same side of the body, typically the right side. Should be performed by an experienced, qualified professional.
Sites:
Pectoral
Tricep
Subscapula
Midaxilla
Suprailiac
Abdomen
Quadricep
Pros:
Can be more precise than bioelectric impedance devices.
Portable: Lightweight and easy to carry.
Customizable: Can account for individual variations in fat distribution.
Cons:
Skill-Dependent: Accurate results require training and experience in measuring the correct sites consistently.
Time-Consuming: Multiple measurements and calculations are needed.
Limited Precision for High or Low Body Fat: Skinfolds may underestimate body fat in obese individuals and overestimate it in very lean individuals.
Invasiveness: Some people may feel uncomfortable with the pinching required for measurements.
Choosing Between Methods
Bioelectric Impedance: Best for individuals seeking a quick, simple, and non-invasive way to track trends over time.
Skinfold Calipers: Ideal for those comfortable with hands-on techniques and seeking a more customizable and potentially accurate method, provided proper technique is used.
Key Tips for Either Method
Consistency: Use the same method under similar conditions every time.
Trends Over Time: Focus on long-term patterns rather than individual fluctuations.
Combine Approaches: For a more comprehensive picture, you may combine bioelectric impedance and skinfold caliper readings with other body composition measurements like circumference and weight.
Circumference Measurements
Tools: A soft tape measure.
Procedure: Measure at consistent landmarks:
Waist: Across the belly button, parallel to the ground.
Hips: Over the greater trochanter, the widest part of the hips.
Chest: Across the nipple line or the xiphoid process (sternum base).
Shoulders: Around both shoulders at the widest point.
Arm: Six inches below the shoulder’s acromion process.
Thigh: Nine inches below the greater trochanter.
Calf: Four inches below fibula head.
Tips: Use consistent tension and minimal clothing to ensure accuracy.
Photographs
Why: Visual progress can reveal changes numbers might miss.
When: Monthly, ideally in underwear, from four angles: front, back, and both sides.
How: Use good lighting and a neutral background.
Why
Tracking body composition provides objective feedback on your progress, enabling you to celebrate wins and quickly address shortcomings. Consistent assessments ensure your program remains aligned with your goals and helps identify areas that require refinement.
When
Choose a consistent day and time each week for your measurements:
Day: Select a day reflective of your typical routine. For example, Sunday because it is a relatively relaxed day with few scheduling obligations first thing in the morning.
Time: Early morning for uniform conditions. For example, 7:00 am, first thing, upon waking up.
We recommend only weighing yourself once a week, following the criteria above, and not every day or multiple times a week. Your weight will fluctuate throughout the week for various reasons and this can create unnecessary frustration. By weighing yourself once a week, you should be focused on the overall trend of your weight and body composition metrics, not the minor fluctuations that might occur throughout the week.
Sticking to a routine eliminates variability and enhances the reliability of your data.
Action Steps
Set a Measurement Schedule
Pick a specific day and time for weekly assessments.
Set reminders on your phone or calendar.
Gather Tools
Purchase or locate a scale with body fat measurement, a soft tape measure, and a camera.
Document Results
Track measurements using Higher Endeavors’ Body Composition Tracker
Review and Adjust
Compare data regularly to spot trends and make program changes if needed.
Use a self-tightening tape measure for improved accuracy.
Have an experienced, qualified professional perform a skinfold caliper body fat assessment.
About this content
Higher Endeavors publishes Guide content for general education. It is reviewed and updated as the Guide evolves, but it does not replace individualized medical or professional advice.
The Continuum is organized into three progressive phases: I am Healthy, I am Fit, and I am HighEnd. Each phase has a distinct focus, a defined set of prerequisites to enter it, and clear markers for when you are ready to move forward. This is not a race through stages or a checklist to complete as quickly as possible, it is a genuine progression that, when taken seriously, produces the kind of change that actually holds.