Most lifters eventually face the same problem. You want the size of a bodybuilder and the strength of a powerlifter, but the two training styles seem to pull in opposite directions. The PHAT workout was built to bridge that gap, and it does it well.
Created by Dr. Layne Norton, PHAT blends heavy powerlifting-style training with high-volume bodybuilding work in a single weekly program. The result is a routine that builds genuine strength and serious muscle at the same time. Here's how it works, who's behind it, and the full program laid out.
This article is informational and not a substitute for individual coaching. Adjust loads and exercises to your own ability and progress gradually.
What Is the PHAT Workout?
PHAT stands for Power Hypertrophy Adaptive Training. It's a five-day program designed to train each major muscle group twice per week, rather than the once-per-week approach of a traditional “bro split.”
The structure splits the week into two distinct training styles:
- Two power days, where you train like a powerlifter with heavy compound lifts and lower reps
- Three hypertrophy days, where you train like a bodybuilder with higher volume and higher reps
The genius of the design is combining methods that are usually kept apart. Powerlifters training for strength lift heavy in low rep ranges, often 1 to 6 reps. Bodybuilders chasing size use lighter loads for higher reps, typically 8 to 12 or more. On paper these are opposites, which is why you don't see Mr. Olympia competitors maxing out singles, or powerlifters doing endless light curls before a meet.
PHAT deliberately fuses the two so you get the best of both: the strength of a powerlifter and the physique of a bodybuilder. It does this through proven compound lifting and the principle of progressive overload, which we'll cover below.
It belongs to the same family as two other popular templates, and it's worth comparing them before you commit. The PHUL workout is a slightly simpler four-day version of the same idea, while the push, pull, legs split organises training by movement pattern instead.
How PHAT Works: Power, Hypertrophy, and Progressive Overload
Power days (Days 1 and 2) focus on building strength in the upper and lower body. You'll perform heavy compound lifts in lower rep ranges, roughly 3 to 5 reps on the main movements, with some moderate-rep accessory work.
Hypertrophy days (Days 4, 5, and 6) focus on muscle growth. Here you lift lighter, push the reps higher (often 8 to 20), and use more total volume across a wider range of exercises to fully stimulate each muscle.
Underpinning all of it is progressive overload, the single most important principle in building strength and size. The idea is simple: over time, you aim to do more than before, whether that's a little more weight, an extra rep, or an additional set. Consistent small increases are what force your muscles to keep adapting. Norton's program is built to apply this across both the heavy and high-rep work.
The Main Benefits of PHAT
1. Builds Muscle and Strength Together
This is the headline benefit. By combining power and hypertrophy training in one week, PHAT develops both qualities at once instead of forcing you to choose. The heavy days drive strength while the high-volume days build size, and each supports the other.
2. Trains Each Muscle Twice a Week
PHAT hits every major muscle group twice weekly, which research generally favours over once-weekly training for muscle growth. More frequent, well-recovered stimulation tends to produce better results than blasting a body part once and leaving it for seven days.
3. High Volume for Serious Growth
The three hypertrophy days pack in significant volume, which is a key driver of muscle growth for intermediate and advanced lifters. If your goal is maximum size, PHAT delivers the work to get there.
4. Variety That Keeps You Consistent
Switching between heavy powerlifting-style sessions and high-rep bodybuilding work keeps training fresh week to week. That variety helps fight the boredom that derails so many routines, making it easier to stay consistent over the long haul.
5. Built on Sound, Proven Principles
PHAT isn't a gimmick. It's built on compound lifting and progressive overload, the same fundamentals the great physiques of the 70s, 80s, and 90s were built on, from Arnold Schwarzenegger to Dorian Yates. Those lifters lived in the free weights section doing squats, bench presses, deadlifts, and dips, and PHAT keeps those proven movements at its core.
PHAT Workout Schedule
| Day | Session |
|---|---|
| Day 1 | Upper Body Power |
| Day 2 | Lower Body Power |
| Day 3 | Rest |
| Day 4 | Back and Delts Hypertrophy |
| Day 5 | Lower Body Hypertrophy |
| Day 6 | Chest and Arms Hypertrophy |
| Day 7 | Rest |
A quick note on session length: because the hypertrophy days carry so much volume, PHAT workouts can run long, often 60 to 90 minutes or more. It's a demanding program, and you can run it for several months as long as you keep progressing.
The Full PHAT Program
Day 1: Upper Body Power
| Exercise | Sets x Reps |
|---|---|
| Bent-over row | 3 x 3-5 |
| Weighted pull-ups | 4 x 6-10 |
| Flat dumbbell press | 3 x 3-5 |
| Weighted dips | 2 x 6-10 |
| Seated dumbbell shoulder press | 3 x 6-10 |
| Cambered bar curls | 3 x 6-10 |
| Skull crushers | 3 x 6-10 |
Day 2: Lower Body Power
| Exercise | Sets x Reps |
|---|---|
| Squats | 3 x 3-5 |
| Leg press | 2 x 6-10 |
| Leg extensions | 2 x 6-10 |
| Stiff-legged deadlifts | 3 x 5-8 |
| Lying leg curls | 2 x 6-10 |
| Standing calf raise | 3 x 6-10 |
| Seated calf raise | 2 x 6-10 |
Day 4: Hypertrophy, Back and Deltoids
| Exercise | Sets x Reps |
|---|---|
| Bent-over rows | 4 x 8-12 |
| Weighted pull-ups | 3 x 8-12 |
| Seated cable rows | 3 x 8-12 |
| Dumbbell rows | 2 x 12-15 |
| Close-grip pulldowns | 2 x 15-20 |
| Seated dumbbell presses | 3 x 8-12 |
| Upright rows | 2 x 12-15 |
| Dumbbell side lateral raises | 3 x 12-20 |
Day 5: Hypertrophy, Lower Body
| Exercise | Sets x Reps |
|---|---|
| Squats | 4 x 8-12 |
| Lunges or lunge alternatives | 3 x 8-12 |
| Leg presses | 2 x 12-15 |
| Leg extensions | 3 x 15-20 |
| Stiff-legged deadlifts | 3 x 8-12 |
| Lying leg curls | 2 x 12-15 |
| Seated leg curls | 2 x 15-20 |
| Standing calf raises | 4 x 10-15 |
| Seated calf raises | 3 x 15-20 |
Day 6: Hypertrophy, Chest and Arms
| Exercise | Sets x Reps |
|---|---|
| Flat dumbbell presses | 4 x 8-12 |
| Incline dumbbell presses | 3 x 8-12 |
| Hammer Strength chest press | 3 x 12-15 |
| Incline dumbbell flyes | 2 x 15-20 |
| Cambered bar preacher curls | 3 x 8-12 |
| Dumbbell concentration curls | 2 x 12-15 |
| Spider curls | 2 x 15-20 |
| Seated triceps extensions | 3 x 8-12 |
| Cable pressdowns | 2 x 12-15 |
| Cable kickbacks | 2 x 15-20 |
If you're unsure whether this volume suits you, our guide on how many exercises per muscle group helps you adjust it to your own recovery and experience.
Tips for Getting the Most From PHAT
- Respect the power days. Do the heavy compounds first, focus on technique, and don't let the lower reps tempt you into sloppy form.
- Apply progressive overload. Aim to beat your previous performance over time, even by a small margin.
- Manage fatigue. This is a high-volume program. Sleep, nutrition, and rest days matter as much as the training itself.
- Eat for your goal. A slight surplus supports growth; keep protein high regardless.
- Be honest about your level. PHAT suits intermediate and advanced lifters who already have solid technique and a base of muscle.
Is PHAT good for beginners?
Not ideally. The volume and the heavy compound lifts are better suited to intermediate and advanced lifters with established technique. Newer lifters often progress faster on a simpler full-body or upper-lower program first.
How is PHAT different from PHUL?
Both combine power and hypertrophy training. PHAT is a five-day program with three dedicated hypertrophy days and higher overall volume, while PHUL is a four-day version with one upper and one lower hypertrophy day. PHAT demands more time and recovery; PHUL is more manageable for busy schedules.
Can I build strength and size at the same time on PHAT?
Yes, that's exactly what it's designed for. The power days drive strength while the hypertrophy days build muscle, and progressive overload ties it all together.
How long should PHAT workouts take?
The power days are quicker, but the high-volume hypertrophy days often run 60 to 90 minutes or more. Efficient rest periods help keep sessions on track.
Do I need to add cardio?
It's optional. A couple of moderate sessions a week support conditioning and health without interfering with your strength and size goals.
Is the PHAT Workout Worth It?
For intermediate and advanced lifters, PHAT is well worth running. It's a proven, science-backed program from one of the most credible figures in the industry, and it does something few routines manage: builds real strength and serious muscle in the same week.
It asks a lot in terms of volume and recovery, so it rewards those who are ready for it and willing to apply progressive overload consistently. If you've got the training base and you want the strength of a powerlifter with the physique of a bodybuilder, PHAT is one of the best programs you can follow.
