🧬 9 Body Adaptations: Andy Galpin's Complete At-Home Fitness Assessment Protocol

👤 Andy Galpin - Professor of Kinesiology, California State University (state university in California researching muscle and exercise physiology)
🎤 Andrew Huberman - Neurobiologist and Professor, Stanford Medicine (Stanford University School of Medicine)

📺 Huberman Lab – 👥 7.85M subscribers
⏱ 32m
🗓 17.09.26 (6d ago)
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📝 Physiology professor Andy Galpin breaks down the 9 key adaptations to exercise. He provides clear benchmarks, simple tests requiring no expensive equipment, and a 3-day roadmap to identify your physical weak spots.

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💡 KEY TAKEAWAYS

1️⃣ Fitness divides into aesthetics and 9 distinct functional adaptations
Physical fitness is rooted either in how you look or how your body functions. Galpin identifies 9 physiological adaptations: movement skill, speed, power, strength, hypertrophy, muscular endurance, anaerobic capacity, maximal aerobic power (VO2 max), and long-duration low-intensity endurance.

2️⃣ Movement quality is evaluated using four joint-action markers
To assess movement, record 4 patterns on video: upper-body push and pull, and lower-body squat and hinge. Evaluate symmetry, stability (absence of shaking), control, and full range of motion. On a 0-3 scale, a score of 0 makes the exercise off-limits due to injury risk.

3️⃣ A standing broad jump should equal body height
This test measures explosive power without specialized gear. Men should jump 100% of their height (measured to the back heel), while the standard for women is minus 15%. Professional NFL athletes jump 2.7-3.3 meters regardless of height.

4️⃣ Grip strength standards are 40 kg for men and 35 kg for women
Grip strength is measured with a dynamometer, with the difference between left and right hand not exceeding 10%. An alternative test is a dead hang with an overhand grip: the baseline minimum is 30 seconds, while the target benchmark for a healthy adult is 60 seconds.

5️⃣ Fat-Free Mass Index (FFMI) is used to assess muscle mass
Aesthetic proportions are subjective, but insufficient muscle directly undermines health. The minimum healthy FFMI threshold is 20 for men and 18 for women (assuming body fat is below 30% and 35%, respectively). An FFMI below 17 in men and 15 in women indicates critical muscle deficiency.

6️⃣ The baseline benchmark for local endurance starts at 25 consecutive push-ups
The standard for men is 25 full push-ups touching the chest to the floor with elbow lockout, and 15 reps for women. Another method is completing more than 8 repetitions in any strength exercise using 75% of your one-rep max (1RM).

7️⃣ Anaerobic capacity is assessed via heart rate recovery speed
During an all-out sprint or Wingate test (30-60 seconds of maximal effort), measure heart rate drop. The standard is a decrease of 0.5 beats per second: down 30 beats in the first minute of rest and down 60 beats in two minutes.

8️⃣ The minimum VO2 max for longevity is 35 ml/kg/min for men
For women, the minimum is 30 ml/kg/min, though for optimal health targets should exceed 50 and 45, respectively. It can be tested via the 12-minute Cooper run test or the Rockport 1-mile walk test using calculators.

💬 «You don't need to be optimal in every single one of these categories. The main goal is to make sure you don't have any 'anchors' dragging your health down.»

🎯 WHAT TO DO WITH THIS
Perform a comprehensive 3-day screen across all 9 adaptations once a year: start with non-fatiguing power and strength tests, leaving cardio and anaerobic protocols for the end. Prioritize training the metrics where your scores fall into the red zone.

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