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START FREE TRIALThe research surprised everyone: full-body workouts beat traditional splits for fat loss — with 7x less soreness. But switching your training isn't as simple as rearranging your week.
Researchers took well-trained lifters — people with 6-7 years of experience, not beginners — and randomly assigned them to either full-body training five days a week or a traditional body-part split. Same total volume. Same intensity range. Eight weeks.
The mechanism isn't complicated: spreading work across muscle groups reduces per-session fatigue, which means better recovery between sessions, which means you can push harder more often. Less breakdown, more total output, better results.
So you're probably thinking: "Great, I'll switch to full-body."
Here's the problem.
The research is clear. The concept is simple. But the execution has three specific problems that most people don't anticipate until they're already frustrated.
Most people who switch to full-body take their existing exercises and spread them across more days. But that's not what the study tested. The programming that worked required specific volume management across muscle groups within each session. Get the balance wrong and you either under-stimulate (no results) or over-concentrate (the soreness comes back — and you lose the whole advantage).
On a body-part split, progression is straightforward: add weight or reps to each muscle group once a week. On a full-body program, you're touching every muscle group multiple times per week. Your progression model has to account for cumulative fatigue across sessions, not just within them. Most people default to their old split-style progression logic and plateau within 3-4 weeks.
Seven times less soreness sounds great in an article. In the gym, it makes people feel like they didn't do enough. After years of associating soreness with a good workout, a full-body session that leaves you feeling fresh triggers doubt. Within two weeks, most self-programmed switchers start adding volume to "feel it more" — which defeats the exact mechanism that made full-body superior in the study.
The Foundation Workouts inside the Pump Club app use full-body programming based on these exact principles. Not because of this study — because this is how Arnold originally trained, and how his coaching team has been programming for decades.
The study confirmed what the programming already delivers.
Every problem above is already solved inside the program:
Volume is pre-calculated per session. You don't guess how many sets for chest vs. back vs. legs on a given day. The programming balances it based on weekly accumulation, not daily whim.
Progression adjusts to cumulative load. Your progression is modeled around weekly volume trends, not single-session PRs. It accounts for the fatigue you can't feel yet.
Coaching cues keep you honest. When the program says you're done, you're done. The guided structure prevents the instinct to add more just because you "feel fine" — which is the point.
"I've been training for over 25 years, and joining the Pump Club has been an awakening. I've improved my body composition and smashed through lifting plateaus thanks to the training philosophies in the app. I was interested in a good workout platform. What I got was much more."Matt K. — 41, member for 2+ years
"Before I started, I was jumping from routine to routine. I scoured Instagram for what appeared to be a complete plan and created a folder full of exercises. It didn't work. The app gave me the consistency I needed. Who knew that sticking with the same exercises and gradually increasing weight and reps would lead to results? After two years during menopause, I am sleeping better, stronger, and my confidence has returned."Dawn I. — 56, member for 2+ years Stronger through menopause
"Less than six months in, I lost about 30 lbs of fat and 10% body fat, and I am stronger than I have ever been. If you had told me when I signed up that I would lose 30 lbs while also adding over 100 lbs to my big three lifts, I wouldn't have believed you. But it's true and it works."Timothy H. — 36, member since 2025 ↓ 30 lbs fat · ↑ 100 lbs on big 3
Start your free trial and get dropped directly into the Foundation full-body program. Your first workout is ready the moment you open the app.
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