America's most experienced ISAK instructors

Body Composition Measurement Certification for Professionals

Physique & Frame Assessment, Muscle & Size Potential, Talent, Injury Risk Analysis, Official ISAK training & certification

ISAK approved coursesISAK Level 1, 2 and 3Pro, college and military teams

Book a meeting with Body Quantification

A free 30 minute Teams call about ISAK courses, athlete testing, consulting or research. You'll be matched with whoever is free first: Dr. Jordan Moon or Kelley Altom.

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Body Composition Virtual Expert · Powered by the BQ Engine

Meet Dr. Skully

Dr. Skully is Body Quantification's Body Composition Virtual Expert, powered by the BQ Engine, the most advanced and robust knowledge base in all of Sports Science. Ask her about your athletes' and clients' results, the methods and the equations, and she cites the author, year and page for every fact.

Explains athletes' and clients' results
Methods and equations
Cites author · year · page

Dr. Skully is in testing with the BQ team and opens to members soon.

See the BQ Calculators

2026 and 2027 ISAK Courses by Body Quantification

Bonus access to advanced BQ Calculators. See the bonus →

Measuring and Training the Best

Our graduates work for the Yankees, Dodgers, Bears, Seahawks, Bucks, U.S. Soccer, Duke, the U.S. Army and 60+ more. See where →

Selected comments from our course evaluations (2021–2022)

What our students say

99%rated their course 4 out of 4 (excellent)

“The presenter was spot on with everything and very knowledgeable. He made it easy to follow along and understand.”
Former BQ course student
“I appreciate the lab portion of this course and having the ability to practice while having an instructor there to guide us. Also clarifying techniques.”
Former BQ course student
“I liked the ability to practice on actual wrestlers and that there were all body types represented”
Former BQ course student
“The instructor spoke very well and clearly. You could tell he had experience and knowledge”
Former BQ course student
“Hands on practical immediate feedback w/ Expert.”
Former BQ course student
“Presentation was visually appealing, speaker was engaging, hands-on”
Former BQ course student
“Amazing instructor!”
Former BQ course student
“Great Presentation! Thank you!”
Former BQ course student
“Well organized in the presentation of information. Presenter was very knowledgeable on the material and engaged in practical application part of class”
Former BQ course student

Based on 70 of 71 written course evaluations, 2021–2022. Handwritten answers shown as students wrote them, with the typed text beside each.

99%

rated their course 4 out of 4 (excellent)

Based on 70 of 71 written course evaluations, 2021–2022

Meet The Experts

Kelley Altom, MSEd, ISAK-L4 Criterion Anthropometrist

Body Composition Pioneer
Global Leader in Anthropometric Education

U.S. Director and internationally recognized authority in elite anthropometric training and assessment
Developer of the Illinois Wrestling Minimum Weight Certification Program
Trusted instructor and advisor to NFL, NBA, NHL, MLB, and MLS organizations on physique and performance assessment
Body composition consultant to high-profile clients, including President Barack Obama

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Dr. Jordan Moon, PhD, NSCA-CSCS, ACSM-EP-C, ISAK-L3

Research & Performance Lead
Sports Nutrition • Body Composition • Human Performance

Award-winning presenter and internationally recognized researcher in sports nutrition and body composition
Published 140+ peer-reviewed research articles and abstracts
Certified Exercise Physiologist (ACSM-EP-C) and Strength & Conditioning Specialist (NSCA-CSCS)
Directed and secured funding for 45+ trials across 30+ institutions
Distinguished Alumnus, Grand Valley State University
Delivered 50+ invited lectures nationally and internationally
International patent inventor and author

Learn About Dr. Moon's Research

Selected comments from our course evaluations (2021–2022)

“The presenter was easy to focus on and very knowledgeable.”
Former BQ course student
“I think he did a great job at getting to the point and demonstrating technique”
Former BQ course student
“I liked the amount of examples the presenter gave on common issues that might arise”
Former BQ course student
“Great course. Instructor very knowledgeable”
Former BQ course student