The Arnold Schwarzenegger arm workout is still the most copied routine in bodybuilding fifty years after his 1974 Mr. Olympia win.
Most lifters burn out in two weeks. A few build serious arms. The difference is not the exercises.
It is the part everyone skips, and how to scale it for a body that does not train six days a week with Olympia recovery.
Here is the full Arnold arm workout, the real numbers from his career, and a scaled version you can run starting Monday.
Why the Arnold Schwarzenegger Arm Workout Still Works
Two things separated Arnold's arms from everyone else's.
Genetics, first. His bicep peaks were freakishly high. You cannot train that into existence.
Volume, second. The Arnold golden era arm workout ran 60 sets in a single session. 23 biceps. 20 triceps. 17 forearms. Twice a week off-season. Three times a week pre-contest.
Forearms are the part everyone skips. Look at any Arnold pose from 1974 and the forearm thickness is what makes the biceps look that big. Our breakdown of the biggest biceps in Hollywood shows the same pattern. Guys with the biggest measurable arms train forearms hard. The ones who skip them stay stuck.
Arnold's arm routine is a three-part system. Biceps, triceps, forearms. Skip the third and you are running 60% of the program.
The Full Arnold Schwarzenegger Arm Workout Routine
This is what Arnold ran nine months a year between Olympia contests. Two arm days a week, roughly two hours per session.
Arnold Schwarzenegger Biceps Workout
|
Exercise |
Set |
Rep |
|
Cheating barbell curl |
5-8 |
8-12 |
|
Incline dumbbell curl |
5-8 |
12-15 |
|
One-arm concentration curl |
5 |
10 |
|
Standing alternate dumbbell curl |
5 |
10 |
The cheating barbell curl is the move most lifters do wrong. Arnold used body english only after strict reps were impossible, then fought the negative on the way down.
Arnold Schwarzenegger Triceps Workout
|
Exercise |
Set |
Rep |
|
Close-grip bench press |
5 |
8-10 |
|
Lying EZ-bar skull crusher |
5 |
10-12 |
|
One-arm overhead extension |
5 |
10 |
|
Tricep pushdown |
5 |
10-12 |
All three heads, every session. Close-grip bench for the lateral head, skull crushers and overhead extensions for the long head, pushdowns for the medial and lateral.
That combination is why his triceps looked thick from every angle.
Arnold Schwarzenegger Forearm Workout (The Part Nobody Copies)
|
Exercise |
Set |
Rep |
|
Barbell wrist curl |
4 |
15 |
|
Reverse barbell wrist curl |
4 |
15 |
|
Hammer curl |
4 |
10-12 |
|
Reverse EZ-bar curl |
4 |
10 |
This is what separates lifters who build Arnold-style arm thickness from the ones who don't. Arnold treated forearms as their own body part with their own warmup, exercises, and 30 minutes of dedicated session time.
If your forearms are not much bigger than your wrists, your biceps will always look smaller than they are. Our guide to the 9 best forearm strength exercises covers the patterns Arnold used and the modern equivalents that get you there faster.
The 1974 Arnold Golden Era Arm Workout (Pre-Contest Supersets)
Three months out from the Olympia, Arnold switched the structure. Straight sets became supersets. Two arm days became three. The goal was deep separation, not mass.
This is the version most people search for as the Arnold 1974 arm workout:
- Superset 1: Incline dumbbell curl 4 x 8-10 + Tricep pushdown 4 x 8-10
- Superset 2: Barbell curl 4 x 10-12 + EZ-bar skull crusher 4 x 10-12
- Superset 3: Alternate dumbbell curl 4 x 8-10 + One-arm overhead extension 4 x 8-10
- Superset 4: Preacher curl 4 x 8-10 + French press 4 x 8-10
- Superset 5: Reverse preacher curl 4 x 12-15 + Weighted dips to failure
Rest 60 to 90 seconds between supersets. No more. The pump was the point.
How Often Did Arnold Train Arms?
Off-season: arms twice a week on a six-day double split.
Pre-contest: arms three times a week, often with two sessions in the same day.
If you are not on Olympia recovery, do not run pre-contest frequency. Stick with off-season unless you have specific reasons not to.
Arnold Schwarzenegger Arm Workout for Natural Lifters (Scaled Version)
The original routine will fry a natural lifter in four weeks. This scaled Arnold arm workout for natural lifters keeps the structure and cuts the volume to something your recovery can handle. Run twice a week, 60 to 75 minutes per session.
Day A: Biceps Focus
|
Exercise |
Set |
Rep |
|
Cheating barbell curl |
4 |
8-10 |
|
Incline dumbbell curl |
4 |
10-12 |
|
Concentration curl |
3 |
10 |
|
Tricep pushdown |
4 |
10-12 |
|
Skull crusher |
4 |
10-12 |
|
Hammer curl |
3 |
12 |
Day B: Triceps Focus
|
Exercise |
Set |
Rep |
|
Close-grip bench press |
4 |
8-10 |
|
Overhead extension |
4 |
10-12 |
|
Weighted dip |
3 |
10 |
|
Preacher curl |
4 |
10-12 |
|
Alternate DB curl |
4 |
10-12 |
|
Reverse curl |
3 |
12 |
Add one rep per set per week, or five pounds when you hit the top of the rep range. Run for four weeks. Deload. Repeat.
The Forearm Finisher Nobody Copies
The forearm has two functions you have to train separately. Flexion builds inside thickness. Rotation and extension build the outside sweep and brachialis tie-in that makes the bicep look fuller from the side.
Most lifters do wrist curls and call it done. That is half the job. The rotational work is what Arnold spent 30 minutes on every arm day, and it is the piece every modern guide leaves out.
Finisher (after Day A and Day B):
- Barbell wrist curl: 3 x 15
- Reverse wrist curl: 3 x 15
- Rotational forearm work: 3 x 45 to 60 seconds
- Heavy hold or carry: 2 x 30 to 45 seconds
The rotational work is where most home setups break. Wrist curls cover flexion and extension. They do not load the supination and pronation arc your biceps actually fire through during every curl.
The Gripzilla Tornado is built for exactly this, loading the wrist through controlled rotation in three planes.
Our breakdown of Gripzilla Tornado exercises maps the patterns onto Arnold's forearm work directly.
For wrist roll and crush work, hand grippers or the Gripzilla Dynamo do what a barbell cannot.
Common Mistakes Copying the Arnold Arm Workout
Copying volume but not recovery. Arnold ate 5,000 calories and slept on an athlete schedule. If you eat 2,200 and sleep six hours, cut the sets in half.
Cheating from rep one. The cheat was for the last two reps after strict failure. Cheating earlier turns the curl into a back exercise.
Skipping forearms. The biggest separator. The best forearm workout equipment guide lists the gear that makes this 10 minutes instead of 30.
No wrist support on heavy curls. Arnold's wrists were genetically thick. Most lifters' wrists are not. A pair of lifting wrist wraps is the difference between hitting the last two reps and tweaking a tendon.
Running supersets year-round. That was a 12-week peak, not a permanent system. Run straight sets nine months a year.
Arnold Schwarzenegger Arm Workout FAQ
What was Arnold Schwarzenegger's bicep size?
22 inches cold at his 1974 Mr. Olympia peak. Some sources from the era list 22.5 inches fully pumped.
How many sets did Arnold do for arms?
Around 60 per session. 23 biceps, 20 triceps, 17 forearms.
Did Arnold superset his arms?
Yes, mostly pre-contest. Off-season was straight sets with heavy compound curls and presses.
Did Arnold train forearms separately?
Yes. 30 minutes every arm session. The most ignored part of his routine, and the most important if you want the look.
The Bottom Line
The Arnold Schwarzenegger arm workout was not magic. It was relentless volume, perfect exercise selection, and an obsession with the part of the arm most lifters never train.
You cannot copy the genetics. You can copy the system.
