Practical Limits of Very High Reps

In this episode, I’m joined by James Krieger, editor of REPS (Research Review for Exercise & Physique Science), to break down what the meta-analyses really say about building muscle.

We cover:

• The single most important driver of hypertrophy

• The dose–response relationship between volume and muscle growth

• Is there a cap to effective volume?

• Training to failure: necessary or overrated?

• Frequency: how often should you train a muscle?

• Stretch-mediated hypertrophy and long-length partials

• Why some volume studies appear to “disagree”

If you’re tired of social media hot takes and want to understand what the totality of evidence actually shows, this episode is for you.

James and I also discuss how we evaluate research quality and why context matters when interpreting studies, something we do every month inside the issues of REPS, where we break down the latest exercise and physique research so you don’t have to.

If you want deeper dives into the actual studies discussed in this episode (and many more), check out REPS at https://biolayne.com/reps

SPONSORS

• REPS - Research Explained in Practical Summaries: https://biolayne.com/reps

• Workout Builder – Customized training programs for all experience levels: https://biolayne.com/workout-builder

LAYNE'S COMPANIES

Carbon Diet Coach: https://joincarbon.com/podcast

Outwork Nutrition: https://outworknutrition.com

REPS Research Review: https://biolayne.com/reps

Workout Builder: https://biolayne.com/workout-builder

Team Biolayne: https://biolayne.com/online-coaching

Physique Coaching Academy: https://physiquecoachingacademy.com

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TIMESTAMPS

0:00:00 - Intro

0:02:39 - James Background

0:04:01 - OG Message Boards

0:06:24 - Who To Listen To

0:15:01 - REPS

0:15:53 - Hypertrophy

0:26:02 - Compound vs Isolation Movements

0:33:05 - Subjective Feelings on Training

0:37:50 - Training Flexibility

0:43:22 - Training Volume

0:47:05 - Defining Sets

0:51:59 - Volume Analysis

1:02:27 - Research Challenges

1:08:12 - Workout Builder

1:09:08 - Study Discrepancies

1:16:55 - High vs Low Volume

1:22:40 - Time Constraints

1:25:15 - Volume Cycling

1:30:11 - Volume Adaptation

1:34:37 - Range of Motion

1:44:35 - What Have You Changed Your Mind On

1:59:36 - Outro

SHOW NOTES

https://biolayne.com/podcasts/dr-layne-norton-podcast/the-science-of-muscle-building-with-james-krieger-episode-21