Eccentric
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August 10, 202611 min readScott Feinberg

How to Use AI to Run StrongLifts 5×5

Use Eccentric and your AI assistant to build, schedule, log, and review a StrongLifts-style 5×5 program without handing over the decisions.

StrongLifts 5×5 is intentionally simple.

You squat, press, pull, add weight, and repeat.

That simplicity is one of the reasons the program works. But it also creates some surprisingly difficult questions once you actually start training:

  • What weight should I start with?
  • Should I increase the weight after a workout that felt unusually hard?
  • What happens when I miss 5×5?
  • Is one bad workout a problem, or am I actually stalling?
  • What should I change if I'm also running or playing a sport?
  • When should I deload?
  • Am I still making progress?

Traditionally, answering those questions means reading the program, digging through old training logs, and making the call yourself.

With Eccentric, you can take a different approach.

Eccentric combines structured workout programming and logging with an AI assistant that can work with your actual training data. Instead of copying your workout history into a chat and explaining what you did, you can ask questions about your training directly.

Here's how that can work with a program like StrongLifts 5×5.

And you don't have to build the basic program yourself. Eccentric includes a ready-made StrongLifts 5×5 template. Choose it when you create your first plan, then adjust the starting weights to suit you. AI becomes most useful after that: scheduling the plan, answering questions from your training history, and proposing changes when the simple progression stops being simple.

Follow along with your setup

We’ll tailor the connection steps to the way you use Eccentric.

New to this? Connect Eccentric to your AI →
One-time setup · ChatGPT

Connect Eccentric to ChatGPT

Add Eccentric as a custom app, then sign in when ChatGPT asks for permission.

  1. Open ChatGPT Settings, then Apps.
  2. Turn on developer mode if your plan and workspace make it available.
  3. Choose Create, enter the Eccentric connection address shown in Eccentric Settings, and scan the available actions.
  4. Finish the sign-in flow, then enable Eccentric in a new chat.

ChatGPT’s custom-app availability and write access vary by plan and workspace. Check the current ChatGPT instructions before you start.

First: What Is StrongLifts 5×5?

StrongLifts is built around two alternating full-body workouts.

Workout ASets × reps
Squat5×5
Bench Press5×5
Barbell Row5×5
Workout BSets × reps
Squat5×5
Overhead Press5×5
Deadlift1×5

You typically train three days per week, alternating the workouts.

For example:

DayWorkout
MondayWorkout A
WednesdayWorkout B
FridayWorkout A

The following week starts with Workout B.

The basic progression model is equally straightforward: complete the prescribed work, then increase the load.

That simplicity makes StrongLifts a particularly interesting program to combine with AI.

The program provides the structure. AI helps you understand what is happening inside that structure.

Step 1: Start From the StrongLifts 5×5 Template

The quickest route is to open Plans and choose StrongLifts 5×5 from the proven starter templates.

Choose StrongLifts 5×5 from Eccentric's built-in starter programs.

Eccentric creates both alternating workouts with their exercises, sets, and reps already in place. The plan is fully editable, so review the starting weights before your first session and change them as needed.

The actual plan Eccentric creates: both workouts, every lift, and editable starting loads.
The same plan on your phone, ready to put on the calendar or edit before training.

If you want help choosing those weights, ask your assistant:

Or Ask AI to Build a Customized Version

The built-in template is the simplest starting point. If you want a StrongLifts-style variation instead, you can ask your assistant to create it in Eccentric.

You don't need to describe every detail. Tell it what you're trying to accomplish.

Or give it more context:

Whichever route you choose, you're not just discussing a hypothetical program with AI. You have an actual training plan.

Eccentric can represent the workouts, exercises, sets, reps, loads, and progression rules as structured training data. That becomes important later.

Step 2: Put It on Your Calendar

Once the plan exists, you can ask Eccentric to schedule it.

Now the AI interaction has moved beyond generating a workout. It's helping you actually execute the program.

And when life inevitably interferes, you can talk to it like you would a coach.

The important distinction is that Eccentric knows what your workouts actually are. You don't have to re-explain your entire program every time.

Step 3: Log What Actually Happened

This is where things get more interesting.

Suppose your squat prescription is 5×5 at 100 kg, but your workout actually looks like this:

SetReps
15
25
35
44
53

You log what you actually performed.

Workout A in the real logger: the prescribed 5×5 is ready, but the record will reflect what you actually complete.

You can also record RPE—your rating of how hard a set or session felt—and session notes.

Maybe you write:

Slept badly last night. Squats felt much heavier than normal.

That information becomes part of your training history.

Instead of your log simply telling you that you failed 100 kg, you now have context around the performance.

A completed session keeps the outcome—not just the prescription—including missed reps and measured performance when your equipment provides it.

Step 4: Ask AI About Your Training

After a few weeks, you can start asking much more useful questions.

That's a deceptively complicated question. Eccentric can look at the workouts you've logged instead of requiring you to remember your previous weights and reps.

You can get more specific:

These are the kinds of questions lifters already ask themselves between sessions. The difference is that the AI has access to the training record needed to help answer them.

The same history is visible directly in Eccentric. Your assistant can interrogate these session-by-session trends with you.

Step 5: Use RPE to Add Context to 5×5

A traditional linear progression mostly cares about one thing: did you complete the reps?

But two successful workouts can look very different.

WorkoutResultRPE
1100 kg × 5 × 57
2102.5 kg × 5 × 59.5

Technically, both workouts were successful. But the second one tells you something important about how difficult the progression is becoming.

Because Eccentric can record RPE alongside your sets and sessions, you can ask:

Now AI isn't replacing the progression system. It's helping you interpret it.

Step 6: Figure Out Why You're Stalling

Eventually, linear progression stops being linear.

Suppose you fail 110 kg. You try it again and fail again.

Instead of immediately changing programs, ask Eccentric to investigate.

Then follow up:

This is where having AI connected to a real training log becomes substantially more useful than asking a generic chat assistant.

You aren't asking, “What should someone do when they stall on StrongLifts?” You're asking, “What should I do based on what I've actually been lifting?”

That's a much better question.

Step 7: Let AI Propose Changes—Without Giving It the Keys

Eventually, you may decide something needs to change.

Maybe your squat progression needs to slow down. Maybe you need a deload. Maybe you want to add chin-ups. Maybe you're recovering poorly from squatting three days per week.

Eccentric doesn't need to silently rewrite your training plan. It can propose changes for you to review.

That distinction matters. AI can analyze. AI can recommend. You still decide.

A Few More Questions Worth Trying

Once you've accumulated some training history, try questions like these:

These aren't special commands you have to memorize. They're just questions. That's the point.

AI Shouldn't Replace the Program

There's a temptation with AI training tools to optimize everything.

Don't.

StrongLifts works partly because it removes decisions. You shouldn't ask AI to redesign your program after every difficult workout.

Instead, think of the relationship this way:

StrongLifts provides the training philosophy.

Eccentric keeps the structured record.

AI helps you ask better questions about that record.

And you remain the lifter making the decisions.

That's a much more useful role for AI than generating a completely new workout every time you open an app.

The Bigger Idea

For years, workout apps have been very good at answering: “What did I lift?”

AI makes a different kind of interface possible: “What does my training tell me?”

That's where programs like StrongLifts get interesting.

You can still follow a simple, proven progression model. But instead of staring at a spreadsheet when something doesn't go according to plan, you can have a conversation with your training history.

And sometimes the most useful question is also the simplest:

Start using Eccentric with your training →

Train on purpose.

Eccentric turns what your equipment records into progress you can read. It's free to start.