Built Rear Delts Training: XPL Hypertrophy Architecture

# Built Rear Delts: The Architecture for This Frame

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## Layer 1: The Frame

The Built rear delts need heavy corrective work. The pressing-dominant history at high loads created the deficit.

The Built at 190-230 lbs requires archetype-specific rear delts mechanics. The Meso-Endo/Endomorph structure creates specific lever lengths and recruitment patterns that determine which movements produce mechanical tension and which produce compensation.

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## Layer 2: The Anatomy

The endomorphic posterior deltoid at this training age has the same pressing-dominant deficit as lighter archetypes — amplified by the heavier pressing loads. Heavy face pulls and loaded rear delt flies correct the forward-shoulder posture and add the shoulder three-dimensionality the physique's size demands.

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## Layer 3: The Protocol

Primary: Face pull 3 to 4 sets of 15 to 20 reps with heavy progressive loading. Secondary: Rear delt fly 3 sets of 10 to 12 reps with heavy dumbbells. Tertiary: Band pull-apart daily. Frequency: twice weekly.

Volume landmarks: maintenance at 8 to 10 weekly sets. Growth threshold at 12 sets. Specialization at 16 to 20 sets. Add load only when previous weight executes with full range and zero form breakdown.

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## Layer 4: The Psychology

The Built rear delt correction addresses years of pressing-dominant training. Heavy face pulls and rear delt flies produce the shoulder depth and posture correction that makes the physique's size look intentional.

Identity Mirror: What story are you telling yourself about why this muscle group has not responded?

Action Trigger: When exactly is your next rear delts session, and what load will you use on the primary movement?

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## Layer 5: The Exit

The Built rear delts trained consistently for 12 weeks produce the posterior shoulder architecture that completes the visual depth of this frame.

The Built frame trained with archetype-specific rear delts mechanics for 12 consecutive weeks produces structural development that generic programming cannot deliver.

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*Explore the full XPL training library:*

– [Training & Exercise Protocols](/blog/training-and-exercise)
– [Nutrition Architecture](/blog/nutrition)
– [Recovery Engineering](/blog/recovery)

*Know your XPL Archetype. [Take the Archetype Identification](https://xperformancelab.com/quiz).*

*Work directly with a Protocol Engineer. [Review Mastery Investment Structures](https://xperformancelab.com/plans-pricing).*

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*Inertia Over Inspiration. Engineered by XPL.*