ISAK BODY COMPOSITION PROFILE (Restricted)
International Society for the Advancement of Kinanthropometry (ISAK) practitioners are proficient at assessing anthropometrics and body composition via skinfolds, girths, and breadths. ISAK is the gold standard in anthropometric assessments, and practitioners are trained in the same method and use the same high-end equipment for accuracy and repeatability.
The restricted ISAK body composition profile is widely used across elite sports and general wellness settings. It tracks 17 sites for body composition and anthropometrics, which correlate to health, longevity, and performance.
WHAT DOES AN ISAK PROFILE ASSESS
Skinfolds (sum of 8)
Muscle girths
Breadths
Waist to height
Somatatotyping
WHAT EQUIPMENT IS USED?
Harpenden callipers
Tape measure
Large anthropometer
WHY ASSESS SKINFOLDS
Your body composition significantly impacts your health, exercise and performance. Changes in lifestyle, nutrition, and activity levels, cause constant changes to the distribution of body dimensions.
It’s important to assess regularly to benchmark your current position, track progress on exercise, training, and lifestyle goals, and compare to ideal recommendations, whether for athletic or general health.
VALUES AN ISAK PROFILE DOES/DOES NOT CONSIDER AND WHY
LIGHTLY CONSIDERED
BMI is a measure of how healthy your weight is for your height. Often it fails to tell the whole story as it does not account for the amount of muscle mass the body carries, which significantly affects your predicted health status. A 100kg bodybuilder or rugby player with high muscle mass but low body fat, can be ranked as obese.
CONSIDERED: SUM OF 8 SKINFOLDS
There are numerous errors involved in calculating % body fat from skinfolds. It does not account for hidden fat’ lying around the areas we cannot measure, i.e. visceral fat around the Organs. For this reason, we monitor body fat using sum of skin folds an absolute measure which allows for consistent tracking of body fat changes following an exercise and / or nutrition program.
We can comapre these changes to the recommended ranges for your sport, well-beingor general health as seen in the charts below
CONSIDERED: WAIST CIRCUMFERENCE & WAIST TO HEIGHT RATIO (WELLBEING)
Waist-to-height ratio has been shown to be an effective marker of cardiovascular health and longevity. There is bodyfat under our skin and around the vital organs in our abdomen. Fat around the abdomen causes more health problems than fat carried around other parts of the body such as the thighs.
TAKEN, BUT LOW CONSIDERATION: BODY MASS
Stepping on a weight scale only tells us the combined weight of all your body’s tissues. While it can be a useful tool on overall fuelling trends, weight may fluctuate depending on the time of day, hydration status, food in the digestive system or what you are wearing. It’s not uncommon for someone to weigh 2-3 lbs heavier in the evening than in the morning or, similarly, to weigh 3-4 lbs lighter following an intense water loss. Body mass can be useful for monitoring short-term hydration and fuelling, or long term body mass trends.
CONSIDERED: SOMATOTYPE
The ISAK assessment allows us to determine your somatotype, which describes your body based on three shapes and compositions (ectomorphic, endomorphic, and mesomorphic). Most people are somewhere in between these three extremes. People with different shapes tend to favour different sports (or positions). Most top athletes will have a body shape that leans towards the mesomorph, as most require strength. They will then have ectomorph and endomorph features, depending on how lean they are and how weight affects their sport. For example, a weight lifter will be more towards the endomorph scale, whereas a distance runner would be more ectomorph.
References:
The ISAK skinfold analysis is available as an individual assessment or included in one of our custom packages. Use our contact form to organise your test today.
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