Topic Guide
What Is Fasted training?
Fasted training is a subject covered in depth across 2 podcast episodes in our database. Below you'll find key concepts, expert insights, and the top episodes to listen to — all distilled from hours of conversation by leading experts.
Key Concepts in Fasted training
Autoregulation for rest
Dr. Colenso-Semple suggests resting for 2-3 minutes between sets for general training, or longer (4-5 minutes) for strength-specific goals, allowing individuals to adjust based on how they feel and their ability to maintain performance [25:25].
Resistance training program structure
The guest explains how to structure an ideal resistance training routine based on available time (2-3 days/week for full-body, 4+ days/week for splits) and goals, emphasizing targeting major muscle groups and training close to failure for effective muscle growth and strength adaptation [19:17].
Training to failure/close to failure
This is presented as the critical component for hypertrophy, meaning performing repetitions until no more can be done, or stopping 1-2 reps short, regardless of the specific rep range used, to provide sufficient stimulus for growth [18:16, 34:40].
Exercise tempo
The framework advises moving the weight "as quickly as we can" during the difficult portion of a lift and controlling the easier portion, rather than intentionally slowing down the movement, which is not particularly advantageous for adaptations [30:35].
Interference effect
This concept describes how concurrent endurance and resistance training *might* blunt hypertrophic adaptation if done with very high volume and stacked too closely together (e.g., sprints before a leg workout), though it's typically not a concern for most people's training volumes [44:53].
Interference effect (concurrent training)
This refers to the hypothesis that combining endurance training and resistance training too closely can blunt hypertrophic adaptation. Dr. Colenso-Semple explains this effect is generally only significant with very high-volume training of both modalities stacked together, and for most people, it's not a major concern if strength/hypertrophy is prioritized first and sessions are separated when possible.
What Experts Say About Fasted training
- 1.Men and women respond very similarly to exercise at the cellular and growth levels, with primary differences stemming from baseline testosterone levels established during puberty, not differing muscle physiology [03:02].
- 2.For hypertrophy, training "close enough to failure" (1-2 reps shy) is the critical component across a broad range of repetition schemes (e.g., 6-12 reps), emphasizing progression over time in load or reps [18:16, 34:40].
- 3.Women do not need to change their training based on menstrual cycle phases or hormonal contraception, as data shows no significant impact on performance or exercise-induced adaptations [53:03, 64:11].
- 4.Consistent resistance training is crucial for women of all ages, including teenagers and post-menopausal individuals, for muscle maintenance, bone density, and reducing fall/fracture risk, with "two 20-minute workouts per week" being a powerful minimum [15:15, 67:14, 80:34].
- 5.Fasted training offers no long-term advantage for fat loss or muscle gain compared to fed training; the decision should be based purely on personal preference and comfort [91:52, 93:53].
- 6.Creatine monohydrate, taken at 5 grams per day, is a safe and effective supplement for individuals who exercise, offering an "extra rep or two" or cutting "a second off your sprint," but it is not recommended for those who do not exercise [100:04].