GYM JITSU – Strength Base
A practical strength system for BJJ and MMA athletes.
Build strength that transfers.
Protect your body.
Train with structure, not guesswork.
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What is Gym Jitsu?
Gym Jitsu is a strength and durability system designed specifically for combat athletes.
It is not bodybuilding.
It is not random conditioning.
It is a structured method to develop:
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transferable strength for grappling and striking
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joint resilience and injury resistance
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repeatable performance under fatigue
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long-term progress without burnout
This system was built for athletes who live on the mat — and want their strength training to serve that reality.
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What’s inside the eBook
Gym Jitsu includes three integrated components:
1. Antifragility Protocol
A complete warm-up, prehab, and mobility system to reinforce the joints and structures most commonly injured in combat sports:
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knees
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shoulders
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elbows
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neck
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lower back
Train harder, recover better, stay available.
2. Strength Base Phase
The foundation of the system.
Minimal, effective programming built around the lifts that matter:
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squat
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bench press
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deadlift
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overhead press
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rows
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pull-ups
Includes 1-day, 2-day, and 3-day options, depending on your schedule and recovery.
3. Combat Modules
Short, flexible finishers that teach the body how to apply strength under stress:
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Combat Engine (loaded carries, sled work)
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Explosive Power (throws, jumps, sprints)
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Armored Core (anti-rotation, trunk control)
Optional. Controlled. High transfer.
Who this is for
Gym Jitsu is built for:
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BJJ athletes who want more strength without losing mobility
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MMA fighters who need durability and conditioning support
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Combat sport enthusiasts tired of random gym plans
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Athletes who want to stay injury-free while getting stronger
If you train on the mat, this system fits.
How the program works
Every strength option comes with its own Excel spreadsheet.
You enter your current estimated 1RM, and the sheet calculates:
No guesswork. No complicated planning.
Just execute.
Key Features
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Combat-athlete focused strength programming
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Built-in recovery and injury prevention
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Simple progression model
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Minimal equipment requirements
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Works alongside high BJJ/MMA volume
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Designed for repeatable long-term use
About the Author
Strahinja Ostojić is a former Balkan powerlifting champion and strength & conditioning coach with over 20 years in the world of strength.
He has worked with recreational lifters, competitive athletes, and special forces personnel.
Gym Jitsu was built from the mats — to solve the real problem combat athletes face:
How to become stronger without breaking down.
What you get
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Gym Jitsu: Strength Base eBook (PDF)
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Training system explanation
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Antifragility Protocol
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Strength Base programming options
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Combat Modules
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FAQ and implementation guidance
(Excel training tables included separately.)
Ready to build strength that carries to the mat?
Train with purpose.
Recover with intent.
Return stronger.
Download Gym Jitsu – Strength Base today.
