Barbell Medicine Podcast · Barbell Medicine

Q&A Deep Dive: Measuring Fat Loss, Testosterone vs. GainzZz, the Carnivore Diet, and More

·20 min·1 clip
Men and women gain the same relative strength and muscle from training when testosterone is not deficient.
1. Barbell Medicine Podcast presents a Q&A preview on body fat, stretching, weight loss, heart rhythm concerns, testosterone, and carnivore eating. 2. Dr. Jordan Feigenbaum hosts the episode and answers caller questions as the main clinical voice, with Dr. Tim Jackson named during the weight-loss discussion. 3. The episode asks what practical rules people can use for cutting, mobility, training, and diet instead of chasing internet debates. 4. Feigenbaum defends BMI as a screening tool and says 30 is the line he uses for excess body fat. 5. He says BMI misses about half of people carrying too much body fat, which is why he also uses waist circumference. 6. He gives a waist target of 37 inches for men of European descent and says 35 or 34 inches feels better for some groups. 7. He says he watches adiposity-based chronic disease, including high blood pressure, fasting blood sugar, high LDL, high triglycerides, and high APOB. 8. He rejects serial DEXA scans as a good way to monitor small changes in body fat or lean mass. 9. On stretching, he defines mobility work as a way to gain access to range of motion or posture. 10. He says stretching does not seem to reduce injury risk, soreness, or performance loss for most people. 11. He says mobility work can help gymnastics and figure skating, where flexibility is part of performance. 12. He also says stretching can serve as an entry point for someone with low back pain who cannot yet tolerate deadlifting from a standard setup. 13. On weight loss, he tells Nathan Smith that going from 105 kilos to 97 kilos requires a calorie deficit. 14. He recommends 1.4 to 1.6 grams of protein per kilogram per day and suggests a 100 to 200 calorie deficit from maintenance. 15. He says a low-carbohydrate diet is a poor choice for strength and muscle retention, and he cites Dr. Jose Arita when discussing low energy availability. 16. He says humans can maintain performance well in an energy deficit if training dose and training design are moderated correctly. 17. The tone is conversational and question-driven, with Feigenbaum frequently pausing to define terms like BMI, mobility, and adiposity. 18. The format is a rapid Q&A with short digressions into physiology, programming, and clinical screening thresholds. 19. Listeners interested in lifting, nutrition, and body-composition decisions will get the most out of it. 20. Listeners wanting a story arc or entertainment-first format may skip it.
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