Sean Fit Engineer

Sean Fit Engineer Aerospace engineer turned fitness coach. Founder of PEAK Physique Coaching. Iron sharpens iron (Prov. 27:17). DM me “5STEP” to start.
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I help busy high achieving pros engineer fat loss and build strong, disciplined bodies.

06/26/2026

Every person who has ever walked into a gym has approached a machine with complete confidence and absolutely no idea what they were doing, and the only thing that fixes that is a program that tells you exactly what to use, how to use it, and why before you ever walk through the door.

You have already wasted enough time guessing.
Follow Sean Fit Engineer and fix it today.

06/26/2026

Staying consistent is not about motivation, it is about treating your health as a daily non negotiable.

You have already wasted enough time guessing.
Follow Sean Fit Engineer and fix it today.

06/25/2026

Going to bed at a reasonable hour is good and optimizing sleep timing, fasting windows, and training to maximize natural growth hormone output is excellent, and most tech professionals have never gotten close to the excellent version of any of this.

You have already wasted enough time guessing.
Follow Sean Fit Engineer and fix it today.

06/25/2026

If you do not know which back exercise hits which muscle, you are leaving width on the table.

You have already wasted enough time guessing.
Follow Sean Fit Engineer and fix it today.

06/24/2026

Your fitness tracker gave you a sleep score of 84 and your body is still running on empty because the metric that actually matters is the one your device cannot measure.

You have already wasted enough time guessing.
Follow Sean Fit Engineer and fix it today.

06/24/2026

The word cauliflower on a label does not make a food good for you, the macros do.

You have already wasted enough time guessing.
Follow Sean Fit Engineer and fix it today.

06/24/2026

🛑SKIP THESE BICEP MOVEMENTS

Unless you want BIG biceps!!

For more fitness tips make sure that you’re following


DM “PLAN” for a custom game plan so you can build up your confidence in the conference room and out.

06/24/2026

❌ STOP tracking just the numbers on the pin! ❌

In this video, we breakdown the hidden truth behind gym equipment:

Pulley Ratios.
1:1 Ratio: Direct drive.
If the pin says 50 lbs, you are fighting 100% of that weight.
2:1 Ratio: Mechanical advantage. That 50 lb stack is actually only giving you 25 lbs of true resistance.

Each piece of equipment is designed differently and the numbers can vary.

If you want to actually track your progressive overload accurately, you need to stop looking at the sticker and start looking at the top of the cable stack. 🔍

Comment “PLAN” below for access to my complete library of free workouts designed to build muscle and boost metabolic fat burning, but only if you’re following me🔥👇🏼

06/23/2026

A rest day with no structure is bad, light stretching is good, and a deliberate cold and sauna protocol timed to your recovery goals with fasting insulin tested quarterly is excellent, and most tech professionals have never gotten close to the excellent version.

You have already wasted enough time guessing.
Follow Sean Fit Engineer and fix it today.

06/23/2026

❌ STOP tracking just the numbers on the pin! ❌

Ever switched gyms and suddenly felt like an absolute god on the cable row... only to go back to your home gym and get absolutely crushed by the exact same weight? 🤯

It’s not your strength fluctuating, it’s literal physics. 🧬

In this video, we breakdown the hidden truth behind gym equipment:

Pulley Ratios.
1:1 Ratio: Direct drive.
If the pin says 50 lbs, you are fighting 100% of that weight.
2:1 Ratio: Mechanical advantage. That 50 lb stack is actually only giving you 25 lbs of true resistance.

The real kicker? Each piece of equipment is designed differently and the numbers can vary.

If you want to actually track your progressive overload accurately, you need to stop looking at the sticker and start looking at the top of the cable stack. 🔍

🌶️ Comment “PLAN” below for access to my complete library of free workouts designed to build muscle and boost metabolic fat burning. 🔥👇🏼

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San Jose, CA
95136

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+14089168610

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