The PHUL Workout: The Ultimate Guide to Building Strength and Size

What Exactly is the PHUL Workout?

At its core, the PHUL workout is a 4-day upper/lower split that dedicates two days to heavy, strength-focused training (Power) and two days to higher-volume, muscle-growth-focused training (Hypertrophy). It’s the ultimate powerbuilding template.

The schedule looks something like this:

• Day 1: Upper Body Power
• Day 2: Lower Body Power
• Day 3: Rest
• Day 4: Upper Body Hypertrophy
• Day 5: Lower Body Hypertrophy
• Day 6 & 7: Rest & Recover

This structure allows you to hit each muscle group twice a week, which research consistently shows is superior for muscle growth compared to the classic once-a-week “bro split.” A landmark meta-analysis published in the Journal of Sports Sciences found that training muscles two times per week produced significantly greater hypertrophic outcomes than training them just once.

PHUL leverages this principle perfectly. Your muscles get a heavy stimulus at the start of the week to drive up strength and a volume-based stimulus later in the week to maximize sarcoplasmic hypertrophy (the “pump”). It’s a one-two punch for making serious gains.

The Science: Why Combining Power and Hypertrophy Works

To really get why the PHUL workout is so effective, you need to understand the two main types of muscle growth: myofibrillar and sarcoplasmic hypertrophy.

Myofibrillar hypertrophy is an increase in the size and number of the actual contractile proteins in your muscle fibers. This is what makes you genuinely stronger. It’s best stimulated by heavy lifting in low rep ranges (think 3-5 reps).

Sarcoplasmic hypertrophy, on the other hand, is an increase in the fluid (sarcoplasm) and other non-contractile elements within the muscle cell. This contributes to a larger, fuller muscle belly—the “pumped” look bodybuilders chase. This type of growth responds best to higher repetitions and metabolic stress (think 8-15 reps).

The PHUL workout explicitly targets both pathways. Your power days are all about progressive overload on big compound lifts, driving myofibrillar growth. Your hypertrophy days create massive metabolic stress with more volume and less rest, maximizing sarcoplasmic growth. By training for both, you’re not leaving any gains on the table.

A Sample PHUL Workout Routine

This isn’t a rigid prescription, but a solid template to get you started. The key is focusing on good form and progressive overload—always striving to add a little more weight or an extra rep over time.

Day 1: Upper Power

• Barbell Bench Press: 3-4 sets of 3-5 reps
• Incline Dumbbell Press: 3-4 sets of 6-8 reps
• Bent-Over Barbell Row: 3-4 sets of 3-5 reps
• Weighted Pull-Ups: 3-4 sets of 6-8 reps
• Overhead Press: 2-3 sets of 5-8 reps
• Barbell Curls: 2-3 sets of 6-10 reps
• Skull Crushers: 2-3 sets of 6-10 reps

Day 2: Lower Power

• Barbell Squats: 3-4 sets of 3-5 reps
• Deadlifts (Conventional or Sumo): 3-4 sets of 3-5 reps
• Leg Press: 3-5 sets of 6-10 reps
• Leg Curls: 3-4 sets of 6-10 reps
• Calf Raises: 4 sets of 8-12 reps

Day 4: Upper Hypertrophy

• Incline Barbell Press: 3-4 sets of 8-12 reps
• Dumbbell Flyes: 3-4 sets of 10-15 reps
• Seated Cable Row: 3-4 sets of 8-12 reps
• Dumbbell Rows: 3-4 sets of 8-12 reps
• Lateral Raises: 3-4 sets of 12-15 reps
• Incline Dumbbell Curls: 3-4 sets of 8-12 reps
• Cable Triceps Pushdowns: 3-4 sets of 10-15 reps

Day 5: Lower Hypertrophy

• Front Squats: 3-4 sets of 8-12 reps
• Barbell Lunges: 3-4 sets of 10-15 reps per leg
• Leg Extensions: 3-4 sets of 10-15 reps
• Seated Leg Curls: 3-4 sets of 10-15 reps
• Seated Calf Raises: 4 sets of 15-20 reps

Customizing PHUL and Making It Your Own

The beauty of the PHUL workout is its flexibility. Don’t like barbell squats? Swap them for hack squats on your hypertrophy day. Can’t do weighted pull-ups? Use the lat pulldown machine instead. The principles matter more than the specific exercises.

Here are a few tips for making it work for you:

1. Listen to your body: Four intense days of lifting is a lot. If you feel run down, don’t be afraid to take an extra rest day or deload. Recovery is where you grow.
2. Focus on progressive overload: This is non-negotiable. Whether it’s adding 5 lbs to your squat or doing one more rep on your rows, you have to consistently challenge your muscles.
3. Eat to support your goals: You can’t build a house without bricks. A demanding program like PHUL requires a solid nutrition plan with adequate protein and calories to fuel recovery and growth. Trying to do this in a steep caloric deficit is a recipe for burnout.
4. Don’t neglect accessories: While the big compound lifts are the stars of the show on power days, the isolation work on hypertrophy days is crucial for building well-rounded muscles and addressing weak points.

Common Pitfalls to Avoid

While PHUL is an incredible program, it’s easy to mess it up. The most common mistake is letting your ego take over on power days. Lifting heavy is the goal, but not at the expense of form. A failed rep with bad form is worse than a successful rep with slightly less weight.

Another pitfall is turning hypertrophy days into lazy, low-effort sessions. The goal is to create metabolic stress. That means controlled reps, feeling the muscle work, and keeping rest periods shorter (around 60-90 seconds). It should feel challenging in a completely different way than your power days.

Summary

The PHUL workout isn’t just a random collection of exercises; it’s a strategic system for building an elite physique. By dedicating specific days to developing raw power and others to maximizing muscle volume, you get the functional strength of a powerlifter and the aesthetic development of a bodybuilder. It’s an efficient, engaging, and brutally effective way to train that breaks through plateaus and delivers real results.

Questions

What’s your take on blending strength and hypertrophy training in the same week?

Have you ever tried the PHUL workout or a similar powerbuilding split? What were your results?

Which exercise do you prefer for power versus for hypertrophy? (e.g., Heavy Barbell Rows vs. High-Rep Dumbbell Rows)”