Help us improve
Share bugs, ideas, or general feedback.
From grimoire
Creates evidence-based resistance training programs for strength, hypertrophy, or power using periodization and progressive overload principles from NSCA standards.
npx claudepluginhub jeffreytse/grimoire --plugin grimoireHow this skill is triggered — by the user, by Claude, or both
Slash command
/grimoire:design-strength-training-programThe summary Claude sees in its skill listing — used to decide when to auto-load this skill
Build a periodized resistance training program that optimizes strength or hypertrophy while managing fatigue and injury risk.
Builds a periodized resistance training program (strength, hypertrophy, power) using NSCA/ACSM evidence-based principles. Useful when creating structured strength or athletic performance programs.
Applies exercise science knowledge to program design, periodization, biomechanics, injury prevention, and evidence-based training methodology.
Provides evidence-based training guidance using 2025 research on hypertrophy, progressive overload, and biomechanics for designing strength and muscle development programs.
Share bugs, ideas, or general feedback.
Build a periodized resistance training program that optimizes strength or hypertrophy while managing fatigue and injury risk.
Adopted by: NSCA (National Strength and Conditioning Association) certified coaches, USA Weightlifting, NFL and NBA strength programs, Olympic national teams in ≥60 countries.
Impact: Meta-analyses show periodized training produces 10–20% greater strength gains than non-periodized training over 12+ weeks (Rhea & Alderman 2004); progressive overload increases 1RM by average 25–40% over 12 weeks in untrained individuals (Kraemer & Ratamess 2004).
Why best: Evidence-based volume, intensity, and frequency prescriptions derived from dose-response research prevent under-training (insufficient stimulus) and overtraining (accumulated fatigue exceeding adaptation capacity).
Sources: NSCA ESSENTIALS 4th ed. ch. 17–19; Zatsiorsky & Kraemer (2006) ch. 3–5; Schoenfeld (2016) ch. 4–6; Kraemer & Ratamess Sports Med (2004).
Assess the individual — collect: training age (novice <1 yr, intermediate 1–3 yr, advanced >3 yr), 1RM or estimated 1RM for primary lifts, movement screening (identify mobility/stability deficits), goals (strength, hypertrophy, power), available equipment, and time per session.
Set training frequency — novice: 3 days/week full-body; intermediate: 3–4 days/week; advanced: 4–6 days/week. Ensure ≥48h recovery between sessions targeting the same muscle group.
Select exercises — build around multi-joint compound movements (squat, deadlift, bench press, row, overhead press) that provide the greatest mechanical stimulus; add isolation exercises to address weaknesses or specific hypertrophy goals.
Prescribe intensity (% 1RM) — strength focus: 80–95% 1RM (1–5 reps); hypertrophy focus: 60–80% 1RM (6–12 reps); power focus: 30–70% 1RM (1–5 reps, high velocity). Vary intensity across the week.
Set volume (sets × reps) — for hypertrophy: 10–20 working sets per muscle group per week; for strength: 10–15 sets per pattern; start at the lower end and increase 2–5% per week as tolerated.
Plan rest intervals — strength/power: 3–5 min; hypertrophy: 1–3 min; muscular endurance: <1 min. Shorter rest increases metabolic stress but reduces load capacity.
Apply progressive overload — increase load 2.5–5 kg when the target rep range is achieved with good form across all sets; alternatively increase sets, reps, or decrease rest before increasing weight.
Periodize the program — structure into phases: accumulation (higher volume, lower intensity) → intensification (lower volume, higher intensity) → peaking/testing (maximal intensity). Minimum phase length: 3–4 weeks.
Program deloads — reduce volume by 40–60% every 4th week (for intermediate/advanced) to allow supercompensation; maintain intensity at 70–80% to preserve neural adaptations.
Track and adjust — log every session: load, sets, reps, RPE. Adjust if progress stalls for 2+ consecutive weeks or if fatigue chronically exceeds recovery.