A deep dive into the science of muscle growth. Hosted by Chris Beardsley and Jake Doleschal, this podcast explores hypertrophy training through the lens of pre-steroid era bodybuilding and modern muscle physiology.
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Jake Doleschal Podcasts

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017 Exercise Selection - How to pick the exercises needed to maximally develop a muscle
1:22:27
1:22:27
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1:22:27In this episode of Hypertrophy: Past and Present, Jake and Chris discuss Sig Klein’s extensive routine and use it as a springboard to tackle one of the biggest programming questions: how much exercise variety do you really need for maximal growth? Key topics include: How neuromechanical matching explains which motor units get recruited first Volunt…
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016 Training Splits - Why upper/lower, torso/limbs, push/pull, and other split routines face the same problem
1:14:16
1:14:16
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1:14:16In this episode of Hypertrophy: Past and Present, Jake and Chris revisit Joe Weider’s early 1940 full-body program before breaking down the central problem that all split routines face: supraspinal CNS fatigue. Key topics include: • How calcium-ion–related fatigue and inflammation create global CNS fatigue • Why back-to-back training days reduce re…
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015 Training Frequency - Why 3x per week beats 2x even if MYOPS is still elevated
1:12:15
1:12:15
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1:12:15In this episode of Hypertrophy: Past and Present, Jake and Chris explore Sig Klein’s early A/B full body routine from the pre-steroid bodybuilding era before examining the claim that elevated myofibrillar protein synthesis blunts the effectiveness of subsequent workouts. Key topics include: Sig Klein’s beginner routine The difference between myofib…
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014 Training Frequency - What the long-term studies actually show
1:14:41
1:14:41
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1:14:41In this episode of Hypertrophy: Past and Present, Jake and Chris explore the lesser-known silver-era bodybuilder Floyd Page’s 1952 full-body routine before unpacking the topic of training frequency, long-term training studies, and physiological models. Key topics include: Floyd Page’s 1952 “favourite routine” and its historical context The non-line…
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013 Neuromechanical Matching: Everything you need to know (but few do)
1:29:45
1:29:45
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1:29:45In this episode of Hypertrophy: Past and Present, Jake Doleschal and Chris Beardsley unpack one of Peary Rader’s Silver Era “advanced beginner” routines, before a deep dive into the principle of Neuromechanical Matching. Key topics include: What Rader’s “advanced beginner” (intermediate) plan looked like A deep dive into the neuromechanical matchin…
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012 How to build muscle with isometric training
1:08:11
1:08:11
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1:08:11In this episode of Hypertrophy: Past and Present, Jake Doleschal and Chris Beardsley break down an isometric method from bodybuilding legend and first Mr Universe, John Grimek. They explore how maximal-effort isometrics can stimulate muscle growth and the key differences between overcoming and yielding isometrics. Key topics include: How isometrics…
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011 Why the idea that a single exercise can train the whole muscle and “bias” a region is false
1:06:28
1:06:28
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1:06:28In this episode of Hypertrophy: Past and Present, Jake Doleschal and Chris Beardsley dive into a 1955 arm specialization routine from Peary Rader and use it as a launchpad to challenge one of the most common misconceptions in hypertrophy programming today. They explore whether exercises can “bias” specific muscle regions, and what the implications …
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010 Warming up - what does it really achieve?
1:13:55
1:13:55
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1:13:55In this episode of Hypertrophy: Past and Present, Jake Doleschal and Chris Beardsley unpack the very first York Barbell course, discussing its warm-up approach and how it compares to other silver era routines. The second half of the episode zooms out to explore warm-ups more broadly, what they actually do (and don’t do), whether they affect hypertr…
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009 Work capacity - what it is and how to improve it
42:51
42:51
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42:51In this episode of Hypertrophy: Past and Present, Jake Doleschal and Chris Beardsley break down a pre-steroid bulking routine from Alan Stephen, an underrated Silver Era bodybuilder who trained with a pretty unique method. They explore how this high volume, low rep program makes sense with the stimulating reps model, and use it as a springboard to …
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008 Training Frequency - what to consider if you want to train every day
53:10
53:10
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53:10In this episode of Hypertrophy: Past and Present, Jake Doleschal and Chris Beardsley explore whether full body training can be done every day, and what that really looks like. Drawing inspiration from Bronze Era strongman George Hackenschmidt, they unpack creative strategies for making high frequency training work. Key Topics: How training every da…
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007 Do all training programs maximise hypertrophy eventually?
59:40
59:40
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59:40In this episode of Hypertrophy: Past and Present, Jake Doleschal and Chris Beardsley return to Reg Park, but this time explore one of his most advanced programs. They compare this higher volume plan to Park’s earlier abbreviated routine before exploring whether all training programs eventually lead to the same outcome, and which variables actually …
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006 Strength - the mechanisms that increase strength, and why hypertrophy must make us stronger
1:14:25
1:14:25
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1:14:25In this episode of Hypertrophy: Past and Present, Jake Doleschal and Chris Beardsley discuss one of the strongest bodybuilders of the Silver Era, and the third man to ever bench 500 pounds, Marvin Eder's training routine. The second half of the episode takes a deep dive into the mechanisms of strength, why strength isn’t a single adaptation, and wh…
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005 Training volume and post workout fatigue - how many sets are recoverable in 48 hours?
1:19:09
1:19:09
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1:19:09In this episode of Hypertrophy: Past and Present, Jake Doleschal and Chris Beardsley dissect Reg Park’s 1950s “Mr. Universe Bulk Course”. Unlike the high-variation, single-set approach of Steve Reeves discussed in the previous episdoe, Reg Park’s plan featured fewer exercises but high set volume, low reps, and heavy loads. The second half of the ep…
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004 Training splits and exercise selection - 3 sets of 1 exercise or 1 set of 3 exercises?
1:02:09
1:02:09
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1:02:09In this episode of Hypertrophy: Past and Present, Jake Doleschal and Chris Beardsley break down Steve Reeves’ favourite full-body routines from the early 1950s. They explore how Reeves trained each muscle with three different exercises, and why this multi-exercise, single-set approach might still be one of the most efficient ways to train if progra…
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003 Training splits - what to consider when splitting full body workouts into upper / lower workouts
57:14
57:14
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57:14In this episode of Hypertrophy: Past and Present, Jake Doleschal and Chris Beardsley examine Clancy Ross’ 1940s split set routine - an early experiment in dividing upper and lower body training that predated modern training splits. They break down how Ross evolved his training by splitting full-body workouts into AM/PM upper/lower sessions and disc…
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002 How long does the growth stimulus last after a training session?
1:06:26
1:06:26
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1:06:26In this second episode, Jake Doleschal and Chris Beardsley break down the York Barbell Mr America Course, a program from 1951 that evolved from the earlier Milo Barbell plan. They explore what changed in the decades following the first mass-produced bodybuilding programs, including the introduction of sets, improved exercise selection, and targeted…
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001 Training frequency - why the diminishing returns of volume makes higher frequencies better
49:57
49:57
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49:57In this debut episode, Jake Doleschal and Chris Beardsley dissect the very first mass-produced bodybuilding program: the Milo Barbell Course. They explore how early bodybuilders trained before steroids existed and what their exercise choices reveal about muscle understanding. They then connect these historical methods to modern muscle physiology, f…
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