HypertrophyPeriodization

lower body and core hypertrophy programming

v1

A multi-week evidence-based framework for maximizing leg and abdominal growth using volume accumulation and specific exercise selection.

Available
hypertrophylower-bodycoreperiodizationvolume-accumulation

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FitnessGrid is an AI coach that plans your week and adapts as you go. Install lower body and core hypertrophy programming and your coach will follow this protocol every week, learn from what you actually do, and adjust on the fly.

  • Your coach builds the week from this skill
  • Adapts to your actual progress, not a static template
  • Free to start — no credit card, ~60 seconds to set up

Procedure

  1. Assess Baseline and Preferences

    • Call get_user_preferences to determine current training frequency and experience level.
    • Confirm a target frequency of 2–3 lower-body focused sessions per week to manage fatigue while maintaining high-quality sets.
  2. Initialize the 8-Week Hypertrophy Block

    • Weeks 1–2 (Intro): Use create_week to establish a baseline of 10 sets per muscle group (Quads, Hamstrings, Glutes, Core). Sets should be at RPE 7-8.
    • Weeks 3–6 (Accumulation): Use update_week to incrementally increase set volume (e.g., adding 1–2 sets per muscle group) and intensity (RPE 8-9).
    • Week 7 (Overreach): Set volume to the user's peak recoverable limit with intensity at RPE 9-10.
    • Week 8 (Deload): Call apply_deload_template to reduce volume and intensity for recovery and resensitization.
  3. Construct Workouts (Lower Body focus)

    • Use create_workout to build sessions incorporating:
      • Compound Movements: Squat variations (High bar, Hack), Deadlift variations (RDL, Stiff-leg), or Leg Press for mechanical tension.
      • Isolation Movements: Leg Extensions and Leg Curls to add volume without excessive systemic fatigue.
    • Use add_exercise to set repetition ranges between 8–12 reps (60–80% 1RM) for the primary "sweet spot" of hypertrophy.
  4. Integrate Core Development

    • Include Stability exercises (planks, deadbugs) for force transfer.
    • Include Dynamic/Loaded movements (weighted crunches, leg raises) to drive abdominal hypertrophy.
    • Treat core exercises with the same progressive overload principles (increasing sets/load) as lower-body movements.
  5. Manage Progression and Intensity

    • Ensure all working sets are performed close to (within 1-3 reps) or to momentary muscular failure to maximize the hypertrophic stimulus regardless of the load used.
    • Use compute_one_rep_max if necessary to calibrate the 60–80% 1RM loading range for compound lifts.
  6. Finalize and Review

    • Verify that the total weekly volume for each target muscle group meets the $\geq 10$ set threshold for optimal growth.
    • Present the 8-week structure to the user, highlighting the transition from technique focus to volume accumulation and the final deload.

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