Table of Contents
What if you could challenge nearly every major muscle group in your body in less than two minutes?
No gym membership.
No dumbbells.
No complicated equipment setup.
Just one Bullworker X5 Pro, seven exercises, and thirteen focused isometric contractions. You can also replicate this routine with whatever you have.
Welcome to The Fastest Total Body Workout.
We're training your legs, chest, back, biceps, triceps, shoulders, and core using seven-second holds.
Thirteen holds. Seven seconds each. Just 91 seconds of actual training time.
The goal isn't to rush through your workout.
It's to make every second count.
Because effective strength training isn't just about how much time you spend exercising.
It's about the muscular challenge you create.
Let's get to work.
The Fastest Total Body Workout: Your Complete Routine
Here's the entire workout.
| Exercise | Holds | Time |
|---|---|---|
| Isometric Lunges | Right and left | 14 seconds |
| Chest Compression | Center | 7 seconds |
| Cable Spread | Center | 7 seconds |
| Biceps Curl | Right and left | 14 seconds |
| Reverse-Grip Triceps Extension | Right and left | 14 seconds |
| Shoulder Press | Right and left | 14 seconds |
| Resisted Crunches | Center, right, and left | 21 seconds |
| TOTAL | 13 holds | 91 seconds |
That's 91 seconds of muscular contractions, not including the time needed to change positions.
You'll challenge your lower body, upper body, and core in one convenient routine.
And the best part?
You can perform the entire workout using your Bullworker X5 Pro.
Exercise 1: Isometric Lunges — 14 Seconds
Target muscles: Quadriceps, glutes, hamstrings, and lower-body stabilizers.
We're starting with the legs because they're home to some of the largest and most powerful muscles in your body.
The lunge challenges your lower body while also requiring balance and stability.
Right Leg Forward — 7 Seconds
Step into a comfortable lunge position with your right leg forward.
Position your Bullworker X5 Pro as demonstrated in the workout.
Create resistance and maintain a strong, stable position.
Now here's the important part.
Actively attempt to pull your front foot backward and your rear foot forward.
Imagine you're trying to pull the floor together beneath you.
Your feet stay firmly planted.
But your muscles are working to create opposing forces.
Maintain that contraction for seven seconds.
Left Leg Forward — 7 Seconds
Switch your stance.
Repeat the same movement with your left leg forward.
Create resistance.
Pull the floor together.
Hold for seven seconds.
Total: 14 seconds.
Don't just hold the lunge.
Create force within the position.
Exercise 2: Chest Compression — 7 Seconds
Target muscles: Pectorals, with assistance from the shoulders and triceps.
Next, we're training your chest.
The Bullworker chest compression is one of the simplest ways to create focused resistance through the upper body.
Position your X5 Pro comfortably in front of your chest.
Establish your grip and keep your shoulders controlled.
Gradually compress the Bullworker, creating resistance through your chest and arms.
Once you've reached your desired effort, maintain the contraction.
Hold for seven seconds.
Then release gradually.
No bench press.
No dumbbells.
No need to rush through repetitions.
Just controlled muscular tension.
Total: 7 seconds.
Exercise 3: Cable Spread — 7 Seconds
Target muscles: Upper back, rear shoulders, and supporting arm muscles.
Now let's balance that chest exercise with a pulling movement.
Your back plays an important role in posture, pulling strength, and shoulder function.
The Bullworker cable spread provides a simple way to challenge these muscles.
Grip the cables or designated grips on your X5 Pro.
Position your arms comfortably.
Create resistance by attempting to pull outward.
Think about engaging the muscles across your upper back rather than simply pulling with your hands.
Keep your neck relaxed and avoid shrugging your shoulders.
Hold for seven seconds.
Release gradually.
Total: 7 seconds.
You've now trained your legs, chest, and back.
Let's move to your arms.
Exercise 4: Biceps Curl — 14 Seconds
Target muscles: Biceps and other elbow flexors.
Your biceps help bend your elbows and contribute to everyday lifting and pulling movements.
For this exercise, we're training each arm individually.
Right Arm — 7 Seconds
Position your X5 Pro for a biceps curl.
Keep your elbow controlled.
Create resistance as though you're attempting to curl a weight upward.
Rather than moving through repetitions, maintain the position and continue producing force.
Hold for seven seconds.
Left Arm — 7 Seconds
Switch arms.
Establish the same comfortable position.
Build resistance.
Hold for seven seconds.
Total: 14 seconds.
Training each arm individually gives you an opportunity to focus on the effort produced by each side.
And now that we've trained the biceps, it's time for the triceps.
Exercise 5: Reverse-Grip Triceps Extension — 14 Seconds
Target muscles: Triceps.
Your triceps are responsible for extending your elbows.
They also make up a substantial portion of your upper-arm muscle mass.
That makes them important for both functional strength and arm development.
Right Arm — 7 Seconds
Position your Bullworker X5 Pro for the reverse-grip triceps extension.
Establish a comfortable grip and elbow position.
Create resistance by attempting to extend your arm against the equipment.
Keep your movement controlled and avoid forcing your elbow or wrist into an uncomfortable angle.
Hold for seven seconds.
Left Arm — 7 Seconds
Switch arms.
Build resistance.
Maintain the contraction.
Hold for seven seconds.
Total: 14 seconds.
You've now challenged both sides of your upper arms.
Two exercises.
Four contractions.
Twenty-eight seconds.
Exercise 6: Shoulder Press — 14 Seconds
Target muscles: Deltoids, triceps, and supporting shoulder muscles.
Strong shoulders contribute to pressing, lifting, reaching, and numerous everyday movements.
For this exercise, we'll use an isometric shoulder press.
Right Arm — 7 Seconds
Position your X5 Pro for a single-arm shoulder press as demonstrated in the video.
Establish a comfortable position with your shoulder and elbow.
Create resistance as though you're pressing upward.
Maintain a stable torso and avoid excessively arching your lower back.
Hold for seven seconds.
Left Arm — 7 Seconds
Switch sides.
Create resistance.
Maintain your position.
Hold for seven seconds.
Total: 14 seconds.
No overhead dumbbells required.
Just deliberate resistance and focused muscular effort.
Now let's finish with the core.
Exercise 7: Resisted Crunches — 21 Seconds
Target muscles: Rectus abdominis, obliques, and supporting core muscles.
Your core helps support your trunk, maintain stability, and transfer force between your upper and lower body.
For this final exercise, we'll use three resisted crunch positions.
Center Crunch — 7 Seconds
Position your Bullworker X5 Pro for a resisted crunch.
Brace your abdomen.
Create resistance as though you're curling your rib cage toward your pelvis.
Avoid simply pulling with your arms.
Focus on contracting your abdominal muscles.
Hold for seven seconds.
Right Crunch — 7 Seconds
Adjust to the right-side crunch position.
Create resistance while emphasizing the muscles along the side of your abdomen.
Maintain a controlled contraction.
Hold for seven seconds.
Left Crunch — 7 Seconds
Switch to the opposite side.
Create resistance.
Hold for seven seconds.
Total: 21 seconds.
And that's it.
You've completed The Fastest Total Body Workout.
Seven exercises. Thirteen holds. Ninety-one seconds.
Why Isometric Exercise Works
Here's what makes this workout different from traditional strength training.
Most conventional workouts involve moving weights through a range of motion.
Squats.
Presses.
Rows.
Curls.
And those exercises can be extremely effective.
But movement isn't the only way to challenge your muscles.
During an isometric contraction, your muscles generate force while the joint remains relatively stationary.
That means you can produce meaningful muscular tension without repeatedly lifting and lowering a weight.
Isometric strength training has been studied for decades.
Early researchers, including Dr. Theodor Hettinger and Dr. Erich A. Müller, investigated how brief muscular contractions could influence strength development.
Modern research continues to support isometric training as a useful method for improving muscular strength when appropriately programmed.
However, strength gains depend on factors such as contraction intensity, joint angle, training volume, and consistency.
That's why our approach emphasizes effort and control.
The goal isn't to survive seven seconds. It's to make those seven seconds meaningful.
Why Seven Seconds?
Seven seconds is at the heart of our Fastest Workout series.
It's short enough to make exercise approachable.
But long enough to create a deliberate muscular contraction when performed with sufficient resistance.
Think about a typical strength-training repetition.
You might spend a few seconds lifting and lowering a weight.
With an isometric exercise, you can maintain muscular tension at a chosen position throughout the hold.
That doesn't automatically make seven seconds superior to traditional repetitions.
And it doesn't mean every strength goal can be achieved with one seven-second contraction.
But it does provide an efficient way to challenge your muscles.
The important variables are how much force you produce, how consistently you train, and whether you progressively increase the challenge.
For beginners, start at a moderate intensity and gradually build.
For experienced exercisers, stronger contractions can provide a greater challenge.
Keep breathing throughout the effort.
Avoid holding your breath or straining unnecessarily.
Seven seconds doesn't mean seven easy seconds.
Why Train Your Entire Body?
It's easy to focus on the muscles we see in the mirror.
Biceps.
Chest.
Shoulders.
But a capable, resilient body requires more than isolated arm exercises.
Your legs support walking, climbing, lifting, and balance.
Your back contributes to pulling movements and upper-body stability.
Your chest and shoulders help with pushing and reaching.
Your arms support lifting, carrying, and manipulating objects.
Your core helps stabilize your trunk and transfer force.
These muscle groups work together throughout everyday life.
That's why a balanced strength-training program should challenge your entire body.
And that's the idea behind The Fastest Total Body Workout.
We're not spending 91 seconds on one muscle.
We're distributing those contractions across the major regions of your body.
The Power of Training Opposing Muscle Groups
Another advantage of this routine is that we're training muscles responsible for different movement patterns.
Consider the chest compression and cable spread.
One emphasizes pushing.
The other emphasizes pulling.
Or consider the biceps curl and triceps extension.
One challenges elbow flexion.
The other challenges elbow extension.
This combination creates a more balanced approach than focusing exclusively on one movement.
And by adding lunges, shoulder presses, and resisted crunches, we expand the routine beyond the arms and chest.
The result is a quick, practical introduction to total-body strength training.
Why the Bullworker X5 Pro Is Ideal for This Workout
One of the biggest challenges with traditional gym workouts is the equipment required.
You might use a squat rack for your legs.
A bench for your chest.
A cable machine for your back.
Dumbbells for your arms.
Another machine for your shoulders.
And a mat or cable station for your core.
That's a lot of equipment for one workout.
The Bullworker X5 Pro simplifies the process.
At 28 inches long, it's a portable strength-training system designed to challenge your entire body.
Its versatile grips and interchangeable resistance springs make it possible to perform numerous exercises without relying on a room full of machines.
You can use it for chest compressions, cable spreads, curls, extensions, presses, and more.
And with isometric training, you create and control the resistance.
You don't need to lift a fixed weight through every repetition.
You simply establish the exercise position and produce muscular force against the equipment.
As your strength improves, you can progressively increase the challenge.
One tool. Seven exercises. A complete tour of your body's major muscle groups.
That's the beauty of efficient strength training.
Is 91 Seconds Really Enough?
Let's address the obvious question.
Can you really build strength in just 91 seconds?
Brief isometric contractions can provide a muscular training stimulus.
And when appropriately programmed and repeated consistently, isometric resistance training can improve strength.
But there's an important distinction between a quick workout and a complete long-term strength program.
One 91-second session isn't guaranteed to produce significant muscle growth or comprehensive strength development.
If your goals include maximizing muscle size, developing strength throughout a full range of motion, improving cardiovascular fitness, or preparing for demanding sports, you'll benefit from additional training.
That might include more sets, different joint angles, dynamic exercises, and longer sessions.
So why create a workout this short?
Because consistency matters.
And for many people, the hardest part of exercise is simply getting started.
The Fastest Total Body Workout removes many common barriers.
No commute.
No elaborate setup.
No complicated exercise selection.
Just a clear routine you can follow.
Think of it as a convenient starting point, a short strength-training session, or a supplement to a more comprehensive program.
Ninety-one seconds of intentional effort is more useful than another day of doing nothing.
A Workout That Fits Your Life
Life gets busy.
Work.
Family.
Travel.
Responsibilities.
And sometimes, exercise becomes the first thing we remove from our schedules.
But what if strength training didn't always require a major time commitment?
What if you could challenge your entire body during a short break?
That's the opportunity Bullworker provides.
Grab your X5 Pro.
Work through seven movements.
Create resistance.
Maintain controlled contractions.
Then get back to your day.
The 91 seconds of contraction time will require a little additional time for transitions, but the entire routine remains remarkably convenient.
And on days when you have more time, you can repeat the sequence or expand into a longer workout.
The important thing is building a habit you can maintain.
Explore the Fastest Workout Series
Want to focus on a specific muscle group?
We've created individual Fastest Workouts that use the same simple philosophy.
The Fastest Leg Workout:— Challenge your lower body with two seven-second lunges.
The Fastest Chest Workout: Create focused chest tension with one seven-second compression.
The Fastest Back Workout: Challenge your upper back with one seven-second cable spread.
The Fastest Biceps Workout: Focus on your elbow flexors with short, controlled curls.
The Fastest Triceps Workout: Challenge your triceps with focused extensions.
The Fastest Arm Workout: Train biceps and triceps together in 28 seconds.
The Fastest Shoulder Workout: Explore multiple shoulder angles with the ISO-BOW Pro.
The Fastest Ab Workout: Train your core with center, right, and left resisted crunches.
Each workout is designed to make strength training approachable and efficient.
And together, they demonstrate how much you can do with portable resistance equipment.
Your 91-Second Total Body Challenge
Ready to put your entire body to work?
Here's your challenge.
LEGS
Right Lunge — 7 seconds
Left Lunge — 7 seconds
CHEST
Chest Compression — 7 seconds
BACK
Cable Spread — 7 seconds
BICEPS
Right Curl — 7 seconds
Left Curl — 7 seconds
TRICEPS
Right Reverse-Grip Extension — 7 seconds
Left Reverse-Grip Extension — 7 seconds
SHOULDERS
Right Shoulder Press — 7 seconds
Left Shoulder Press — 7 seconds
CORE
Center Crunch — 7 seconds
Right Crunch — 7 seconds
Left Crunch — 7 seconds
TOTAL: 91 SECONDS
Seven exercises.
Thirteen focused contractions.
One Bullworker X5 Pro.
The fastest workout isn't about rushing.
It's about training with purpose.
Create resistance. Maintain control. Build strength.
Grab your Bullworker X5 Pro and give your entire body 91 seconds of focused effort.
You control the resistance. You control the results.
