Gym, nutrition and progress guides
Clear, cautious articles with their sources, to train and eat with good judgment. General information: it does not replace a healthcare professional.
All guides
- Training
Gym beginner mistakes and how to avoid them
The most common gym beginner mistakes: no plan, too much weight, skipping rest or changing routines every week. Plus simple ways to avoid each one.
Updated October 19, 2026 - Nutrition
How to Calculate Daily Calories With Mifflin St Jeor
Learn how to calculate daily calories with the Mifflin St Jeor equation, worked examples and activity factors. It is an estimate, not an exact number.
Updated October 19, 2026 - Training
How Many Days a Week to Train at the Gym
How many days a week to train depends on your level, your time and your recovery. A clear guide with frequency per muscle, split examples and limits.
Updated October 19, 2026 - Training
Progressive Overload: What It Is and How to Apply It
Progressive overload means raising the demands of your training bit by bit. Learn to apply it with weight, reps or sets without getting hurt or stalling.
Updated October 19, 2026 - Nutrition
How much protein do I need a day? A practical guide
How much protein do I need a day based on your weight and goal: common numbers, food examples, how to spread it out and when to talk to a professional.
Updated October 19, 2026 - Training
Rest Between Sets: How Long to Wait by Goal
Rest between sets depends on the exercise and your goal. A clear guide with times for strength, hypertrophy and isolation exercises, and how to measure it.
Updated October 19, 2026 - Habits
Getting Back to the Gym After a Break, Step by Step
Getting back to the gym after a break without getting hurt or quitting: how much to lower the load, how to rebuild the habit and what to do after an injury.
Updated October 19, 2026 - Training
What is RIR in training and how to use it
What is RIR in training: reps in reserve, how to estimate them, which values to use for each exercise and how to log them to progress without going to failure.
Updated October 19, 2026 - Training
How to build a gym routine, step by step
Learn how to build a gym routine: how many days to train, which split to pick, how many sets per muscle, which exercises to use and how to tell it works.
Updated October 19, 2026 - Progress
How to track gym progress with data that matters
How to track gym progress with useful data: what to log in each set, how to use photos, measurements and weight trend, and how often to check them.
Updated October 19, 2026
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