FitNotes X Blog

Train smarter. Build better.

Practical, research-backed guides on strength training, hypertrophy, programming, and tracking your progress — written by lifters who actually log every set.

Showing 14 of 14 articles
Upper · Lower 4 days · 2× per muscle
Program

Upper/Lower Split: The 4-Day Program

The hybrid strength + hypertrophy split for intermediates. Four sessions a week, 2× per muscle, Upper A/B and Lower A/B with full sample program.

Aaron Smith Aaron Smith · 11 min read · May 24, 2026
5/3/1 Wendler · 4-week cycles
Program

5/3/1 Wendler Program Guide

The intermediate strength program built around a 90 % Training Max, a four-week percentage cycle, AMRAP sets, and slow durable progression.

Aaron Smith Aaron Smith · 11 min read · May 24, 2026
5×5 Linear progression
Program

StrongLifts 5×5 Workout: Full Breakdown

Workout A/B, the +2.5 kg per-session progression rule, deload triggers, and when to know you've outgrown linear progression.

Aaron Smith Aaron Smith · 10 min read · May 24, 2026
Push · Pull · Legs 6 days · 2× per muscle
Program

Push Pull Legs (PPL) Split: Complete Guide

How to group exercises by movement pattern, 3-day vs 6-day variants, weekly volume, full 6-day program, and when PPL beats other splits.

Aaron Smith Aaron Smith · 11 min read · May 24, 2026
Week 5 Planned reset
Training Concepts

Deload Week: When You Need One, Why It Works, and How to Do It

A programmed 30–50 % drop in volume every 4–8 weeks. Seven warning signs, the four formats, a worked 4-week mesocycle, and how to tell deload from a programming flaw.

Sarah Nixon Sarah Nixon · 9 min read · May 21, 2026
Tension The primary driver
Training Concepts

Hypertrophy and Mechanical Tension: What Actually Builds Muscle

Mechanical tension is the dominant growth driver. Metabolic stress is secondary. Muscle damage is a cost, not a benefit. Updated science with the "effective reps" zone.

Mike Newton Mike Newton · 9 min read · May 21, 2026
7 apps Honest comparison
App Comparison

Best Free Workout Tracker Apps in 2026 (Honest Comparison)

Seven apps compared on the criteria that actually matter: logging speed, last-session recall, library depth, free-tier honesty, sync, analytics, templates. Up-front disclosure: one of them is ours.

Sarah Nixon Sarah Nixon · 8 min read · May 21, 2026
3 numbers weight × reps × effort
Beginner

How to Track Your Workouts (and Why It Doubles Your Progress)

Three numbers per set, looked at before the next session. The minimum viable log, four questions for plateaus, and the wearable noise to ignore.

Sarah Nixon Sarah Nixon · 7 min read · May 21, 2026
3-day Full body beginner
Program

Beginner Full Body Workout Plan (3 Days a Week)

Mon/Wed/Fri full-body program with Day A / Day B. Linear progression rule, when to add weight, when to deload, what to do when you stall.

Aaron Smith Aaron Smith · 10 min read · May 19, 2026
EMOM vs AMRAP vs Tabata
Training Concepts

EMOM vs AMRAP vs Tabata: Workout Protocols Explained

Three interval formats with very different purposes. What the 1996 Tabata study actually showed and when to pick each one.

Aaron Smith Aaron Smith · 8 min read · May 19, 2026
3 min Rest between sets
Training Concepts

How Long to Rest Between Sets (Strength, Hypertrophy, Endurance)

3–5 min for strength, 1.5–3 min for hypertrophy, under 60 s for endurance. NSCA / ACSM-backed, with the ATP-PCr recovery curve.

Aaron Smith Aaron Smith · 8 min read · May 19, 2026
10–20 sets / muscle / week
Training Concepts

How Many Sets per Week for Muscle Growth? Evidence-Based Guide

10–20 hard sets per muscle per week is the sweet spot for hypertrophy in trained lifters. MEV / MAV / MRV explained, with worked weekly examples.

Mike Newton Mike Newton · 9 min read · May 19, 2026
RPE 8 RPE & RIR
Training Concepts

RPE in Lifting: The Complete Guide (with RPE Chart and RIR)

A 1–10 scale anchored to reps in reserve. The Zourdos chart, how RPE maps to RIR, and how to use autoregulation without overthinking.

Mike Newton Mike Newton · 8 min read · May 19, 2026
+1 rep Progressive Overload
Training Concepts

What Is Progressive Overload? A Complete Guide for Lifters

The gradual increase of training stress over time. The six ways to apply it, how to track it, and the mistakes that stall progress.

Mike Newton Mike Newton · 8 min read · May 19, 2026