The Aerobic Fitness Test That Exposes Your Real Conditioning | Ft. Brian MacKenzie

Mark Bell's Power Project

Power Project Studios

Health & Fitness

4.7 • 1.7K Ratings

🗓️ 5 March 2026

⏱️ 65 minutes

🔗️ Recording | iTunes | RSS

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Summary

Brian MacKenzie joins Mark Bell to break down aerobic fitness, nasal breathing, HRV, walking for recovery, and the 2.3 watts/kg test that reveals whether you're truly metabolically fit. They also discuss nervous system regulation, breathwork, endurance training, and why aerobic capacity might be the missing piece for strength athletes.Follow Brian MacKenzie:Instagram: https://www.instagram.com/_brianmackenzieInstagram: https://www.instagram.com/shiftadaptWebsite: https://shiftadapt.comSpecial perks for our listeners below!🥩 HIGH QUALITY PROTEIN! 🍖 ➢ https://goodlifeproteins.com/ Code POWER to save 20% off site wide, or code POWERPROJECT to save an additional 5% off your Build a Box Subscription!🩸 Get your BLOODWORK/TRT/PEPTIDES! 🩸 ➢ https://marekhealth.com and use code "POWERPROJECT" for 10% off Self-Service Labs and Guided Optimization®.🧠 Methylene Blue: Better Focus, Sleep and Mood 🧠 Use Code POWER10 for 10% off!➢https://troscriptions.com?utm_source=affiliate&ut-m_medium=podcast&ut-m_campaign=MarkBel-I_podcastBest 5 Finger Barefoot Shoes! 👟 ➢ https://Peluva.com/PowerProject Code POWERPROJECT15 to save 15% off Peluva Shoes!Self Explanatory 🍆 ➢ Enlarging Pumps (This really works): https://bit.ly/powerproject1Pumps explained: https://youtu.be/qPG9JXjlhpM?si=JZN09-FakTjoJuaW🚨 The Best Red Light Therapy Devices and Blue Blocking Glasses On The Market! 😎➢https://emr-tek.com/Use code: POWERPROJECT to save 20% off your order!👟 BEST LOOKING AND FUNCTIONING BAREFOOT SHOES 🦶➢https://vivobarefoot.com/powerproject🥶 The Best Cold Plunge Money Can Buy 🥶 ➢ https://thecoldplunge.com/ Code POWERPROJECT to save $150!!➢ https://withinyoubrand.com/ Code POWERPROJECT to save 15% off supplements!➢ https://markbellslingshot.com/ Code POWERPROJECT to save 15% off all gear and apparel!Follow Mark Bell's Power Project Podcast➢ https://www.PowerProject.live➢ https://lnk.to/PowerProjectPodcast➢ Insta: https://www.instagram.com/markbellspowerproject➢ YouTube: https://www.youtube.com/markbellspowerprojectFOLLOW Mark Bell➢ Instagram: https://www.instagram.com/marksmellybell➢https://www.tiktok.com/@marksmellybell➢ Facebook: https://www.facebook.com/MarkBellSuperTraining➢ Twitter: https://twitter.com/marksmellybellFollow Nsima Inyang➢ Ropes and equipment : https://thestrongerhuman.store➢ Community & Courses: https://www.skool.com/thestrongerhuman➢ YouTube : https://www.youtube.com/c/NsimaInyang➢ Instagram: https://www.instagram.com/nsimainyang/?hl=e#PowerProject #Podcast #MarkBell #FitnessPodcast #markbellspowerproject

Transcript

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0:00.0	Walking has become fundamental. I can literally see with clients where their steps fall off.
0:05.6	There are consequential changes that are happening from a physiological respecter from
0:09.9	HRV, sleep patterns, etc. If you're not in the long game, you're going to hit a brick wall.
0:14.8	It turns out aerobic function is a pretty important thing, even for strength athletes.
0:19.0	Guys who are lifting weights need to go out and run.
0:21.0	Go get on a f***ing assault bike.
0:22.3	You can maintain 2.3 watts per kilogram
0:25.2	while comfortably breathing through your nose
0:28.3	at a rate under 20 breaths per minute.
0:31.6	You are pretty aerobically functional.
0:35.0	I don't see anything changing the nervous system more than getting appropriately fit.
0:43.1	All right, man. So Brian McKenzie, what is up? Great to have you here today. You know, I have a long
0:47.8	past. We've done a bunch of content together. But what's new with you? What he got going on? You
0:53.1	told me you're training a lot
0:54.2	more these days. And you were somebody that was training a lot anyway. Well, I was. And then I wasn't.
0:59.1	And then I was and then I wasn't. But the, you know, the wasn't had a lot to do with like,
1:03.7	kind of catastrophic injury type of stuff.
1:07.7	You broke your freaking neck. Well, I compressed my spinal cord like eight years ago.
1:13.8	It was when we did the good mornings.
1:15.1	Yes.
1:16.0	It was the day after we did the good mornings.
1:18.6	I remember your hamstrings were sore for like a month.
	...

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