Starting from scratch: your first four weeks
The minimum you need to train well from day one: how many days, how many sets, how much weight, and what to expect month by month.
Strength training is about giving your muscles a reason to adapt, and then repeating it for long enough. Everything else — the equipment, the routine names, the arguments online — is detail layered on top of that idea. This chapter is the short, executable version: what to do in your first four weeks.
The only decision that matters at the start
No advanced program makes up for not showing up. The big difference is between not training and training something; the difference between two good programs is small. Pick the plan you can keep up for six months.
How many days
Two strength sessions a week already produce meaningful adaptations
The WHO recommends that adults do muscle-strengthening work of moderate or greater intensity, covering all major muscle groups, on two or more days a week. The 2026 ACSM position stand, built on 137 systematic reviews, makes the same point: training every muscle group at least twice a week matters far more than chasing a “perfect” program.
- 2 days
- Full body
- 3 days
- Full body
- 4 days
- Upper / Lower
The effective minimum. Meets the health recommendation.
The sweet spot for most beginners.
If you already have the habit and the time.
What to do in each session
Cover the movement patterns, not the muscles one by one. Six or seven exercises will train the whole body:
| Pattern | Example | What it trains |
|---|---|---|
| Horizontal push | Bench press, push-ups, machine press | Chest, front delt, triceps |
| Vertical push | Overhead press, dumbbell press | Deltoids, triceps |
| Horizontal pull | Barbell row, machine row | Lats, rhomboids, biceps |
| Vertical pull | Pull-ups, lat pulldown | Lats, biceps |
| Knee dominant | Squat, leg press, lunge | Quads, glutes |
| Hip dominant | Romanian deadlift, hip thrust | Hamstrings, glutes |
| Core | Plank, Pallof press, ab wheel | Trunk stabilisers |
How many sets and reps
Start with 2–3 sets per exercise and 6–12 reps. Not because there is anything magic about it, but because it is easy to learn and it builds strength and size at the same time. The number worth watching is the weekly total per muscle group: around 10 weekly sets is the reference the ACSM gives for hypertrophy, and from there you can add more with diminishing returns.
More volume produces more gains, but each extra set returns less
A meta-regression across 67 studies and 2,058 participants found that size and strength both increase as weekly volume rises, with clear diminishing returns (sharper for strength than for hypertrophy). In practice: going from 4 to 10 weekly sets changes a lot; going from 20 to 30 changes little, and costs more fatigue.
How much weight
- 1
Week 1: calibrate
Pick a weight you could do about 4–5 more reps with than the plan calls for. Yes, it will feel too easy — that is deliberate, you are learning the movement.
- 2
Weeks 2–3: get close to real effort
Go up until you finish each set with 2–3 reps in reserve (RIR 2–3): you could do two or three more, but you stop.
- 3
Week 4 onwards: double progression
If you hit the top of the rep range on every set with good technique, add the smallest jump you can (2.5 kg on a barbell, one step on a machine) and go back to the bottom of the range.
You do not need to hit failure
Finishing sets close to failure captures nearly all of the benefit with far less fatigue and far less technical risk. Early on, stay at 2–3 reps in reserve.
What is going to happen
| Point | What you will notice |
|---|---|
| Weeks 1–2 | Soreness, clumsiness and the feeling you have no idea what you are doing. Normal. |
| Weeks 2–6 | Weight goes up fast. That is mostly neural learning: better coordination, not much new muscle. |
| Weeks 8–12 | Visible changes in size, and clothes fitting differently. |
| Months 6–12 | Progress slows and real programming starts to matter. |
If what you are after is fat loss
Training decides what you lose —muscle or fat— and food decides how much: a hard session runs 300-400 kcal, some 5-15 % of the day. What moves the needle is the balance, and that can be worked out (how many calories you need, calculator).
The executable summary
- Two or three days a week, full body.
- Six or seven exercises covering the seven patterns.
- 2–3 sets of 6–12 reps, finishing 2–3 reps from failure.
- Add weight when you hit the top of the range on every set.
- Log every set: without a log there is no progression, only memory.
Sources for this chapter
- [1]Organización Mundial de la Salud (2020). WHO guidelines on physical activity and sedentary behaviour. OMS. official guideline
- [2]American College of Sports Medicine (2026). Position Stand: Resistance Training for Healthy Adults. ACSM. position stand
- [3]Pelland JC, Robinson ZP, Remmert JF, et al. (2025). The Resistance Training Dose Response: Meta-Regressions Exploring the Effects of Weekly Volume and Frequency on Muscle Hypertrophy and Strength Gains. Sports Medicine. meta-analysis