periodization-engine

name

periodization-engine

description

Periodization design and progressive overload strategy engine for training programs. When 'program-architect' and 'template-builder' agents design programs and create progress tracking templates, they must utilize this skill's periodization models, volume/intensity calculation methods, and deload strategies. Use for 'periodization design', 'progressive overload', 'volume calculation', etc. Note: exercise form explanations and nutrition strategies are outside the scope of this skill.

Periodization Engine

Meso/microcycle design, volume/intensity management, and deload strategies for training programs.

Periodization Models

Linear Periodization

Best for: Beginners, hypertrophy goals

12-week block structure:
  Week 1-3: Adaptation — 3×12 @60-65% 1RM
  Week 4-6: Accumulation — 4×10 @70-75% 1RM
  Week 7-9: Intensification — 4×6-8 @75-82% 1RM
  Week 10-11: Peak — 5×3-5 @85-90% 1RM
  Week 12: Deload — 2×10 @50-60% 1RM

Progression rules:
  - Weekly volume increase: max 10%
  - Weekly intensity increase: 2-5% (beginner) / 1-2.5% (intermediate)

Undulating Periodization (Nonlinear)

Best for: Intermediate+, multiple goals

Daily Undulating Periodization (DUP):
  Mon: Hypertrophy — 4×10 @70%
  Wed: Strength — 5×5 @82%
  Fri: Power — 3×3 @88%

Weekly undulation:
  Week 1: High volume (4×10-12)
  Week 2: Moderate (4×6-8)
  Week 3: High intensity (5×3-5)
  Week 4: Deload (2×8)

Block Periodization

Best for: Advanced athletes, competition prep

Accumulation block (3-4 weeks):
  - High volume, moderate intensity
  - Hypertrophy + work capacity development
  - 4×8-12 @65-75%

Transmutation block (3-4 weeks):
  - Moderate volume, high intensity
  - Strength development
  - 4×4-6 @80-87%

Realization block (1-2 weeks):
  - Low volume, maximal intensity
  - Peak performance expression
  - 3×1-3 @90-100%

Volume & Intensity Calculations

Weekly Set Volume Guide (per muscle group)

Training Level	Maintenance Volume	Minimum Effective	Maximum Adaptive	Maximum Recoverable
Beginner	4 sets	6 sets	12 sets	16 sets
Intermediate	6 sets	8 sets	16 sets	22 sets
Advanced	8 sets	10 sets	20 sets	28 sets

RPE (Rate of Perceived Exertion) Scale

RPE	Description	Reps in Reserve	Estimated %1RM
10	Maximum effort	0	100%
9.5	Barely completed	0.5	97%
9	1 more possible	1	95%
8.5	1-2 more possible	1-2	92%
8	2 more possible	2	90%
7.5	2-3 more possible	2-3	87%
7	3 more possible	3	85%
6	4 more possible	4	80%

1RM Estimation Formula (Epley)

1RM = Weight × (1 + Reps/30)

Example: 80kg × 8 reps = 80 × (1 + 8/30) = 80 × 1.267 = 101.3kg

Progressive Overload Strategies

Overload Variable Priority

1st: Volume increase (sets +1)
2nd: Rep increase (same weight, +1-2 reps)
3rd: Weight increase (2.5-5% increase)
4th: Frequency increase (+1 session per week)
5th: Tempo variation (emphasize eccentric)
6th: Rest period reduction (shorten by 30 seconds)

Double Progression Model

Target rep range: 8-12 reps

Stage 1: 3×8 @70kg
Stage 2: 3×10 @70kg (reps increased)
Stage 3: 3×12 @70kg (upper limit reached)
Stage 4: 3×8 @72.5kg (weight increased, reps reset)
→ Repeat

Deload Strategies

Deload Indicators

Warning signs:
  - 3-4 consecutive weeks of stagnation (no increase in weight/reps)
  - Chronic fatigue, sleep disturbances
  - Persistent joint pain
  - Loss of motivation, avoidance of training

Recommended frequency:
  Beginner: every 8-12 weeks
  Intermediate: every 4-8 weeks
  Advanced: every 3-6 weeks

Deload Methods

Method	Volume Adjustment	Intensity Adjustment	Best For
Volume deload	50% reduction	Maintained	Most common
Intensity deload	Maintained	40-60% reduction	Joint recovery
Frequency deload	2x/week	Maintained	Limited time
Full rest	0	0	Severe accumulated fatigue

Program Split Templates

Sessions/Week	Split	Structure
3	Full body	A-B-A / B-A-B alternating
4	Upper/Lower	Upper-Lower-Upper-Lower
4	PPL+1	Push-Pull-Legs-Weakness
5	PPL 2x	P-P-L-P-P (extra leg session optional)
6	PPL 2x	P-P-L-P-P-L

References

• Based on NSCA Essentials of Strength Training and Periodization (Bompa)

• Detailed program examples: see references/program-templates.md eferences

• Based on NSCA Essentials of Strength Training and Periodization (Bompa)

• Detailed program examples: see references/program-templates.md