Answers
Can you build muscle with only free weights?
Written by the GymStreak coaching teamUpdated
Short answer
Yes. Studies comparing free weights with machines find similar muscle growth when the sets are equally hard; strength improves most on whichever you trained with. Dumbbells and a barbell can train every muscle with squats, hinges, presses, rows and curls. What matters is enough hard sets and steady progression, not the equipment.
01 / The research
Free weights vs machines in studies
A 2023 meta-analysis found no meaningful difference in muscle growth between free-weight and machine training. Strength results depended on the test: people got stronger on the type of equipment they trained with. A trial comparing the two in the same people found similar gains in muscle and strength.
So the choice comes down to what you have, what you enjoy and what you can progress on. Our free weights vs machines post covers the pros and cons of each.
02 / Every muscle
A free-weight exercise for every muscle
| Muscle | Free-weight options |
|---|---|
| Quads and glutes | Goblet squat, barbell squat, Bulgarian split squat |
| Hamstrings | Dumbbell Romanian deadlift, barbell RDL |
| Chest | Dumbbell bench press, incline dumbbell press |
| Back | One-arm dumbbell row, barbell row, pull-ups |
| Shoulders | Seated dumbbell press, lateral raise |
| Arms | Dumbbell curl, skull crusher |
Lats are the hardest to train without a machine: pull-ups or rows cover them. A pull-up bar is a cheap addition.
03 / Progressing
How to keep progressing with limited weights
- Add reps before weight: going from 8 to 15 reps at the same weight is real progress (adding reps works).
- Use single-leg and single-arm versions to make a light weight harder.
- Slow the lowering phase and pause at the bottom.
- See our home dumbbell workout for a full week.
04 / How Spot helps
How Spot helps
Tell Spot the equipment you have, such as dumbbells only or no machines, and it builds a workout for that equipment in your GymStreak plan. Your weekly plan is also built around the equipment you choose when you set up the app.
05 / FAQ
Frequently asked questions
Can you build muscle with just dumbbells?
Yes, as long as you can make the sets hard: heavier dumbbells, more reps, single-arm or single-leg moves, or slower reps. Our home dumbbell workout uses dumbbells only.
Are machines better for beginners?
They can be easier to learn, but they don’t build more muscle. Beginners do well with either; pick what you can perform with good form and progress on.
What if the gym is busy and the machines are taken?
Swap to a free-weight exercise that works the same muscles in the same pattern; see how to pick a substitute.
Sources
- Haugen ME, Vårvik FT, Larsen S, et al. Effect of free-weight vs. machine-based strength training on maximal strength, hypertrophy and jump performance: a systematic review and meta-analysis. BMC Sports Sci Med Rehabil. 2023;15(1):103.
- Schwanbeck SR, Cornish SM, Barss T, Chilibeck PD. Effects of training with free weights versus machines on muscle mass, strength, free testosterone, and free cortisol levels. J Strength Cond Res. 2020;34(7):1851-1859.
- Schoenfeld BJ, Ogborn D, Krieger JW. Dose-response relationship between weekly resistance training volume and increases in muscle mass: a systematic review and meta-analysis. J Sports Sci. 2017;35(11):1073-1082.
- Plotkin D, Coleman M, Van Every D, et al. Progressive overload without progressing load? The effects of load or repetition progression on muscular adaptations. PeerJ. 2022;10:e14142.
General training and nutrition information, not medical advice. If you have pain, an injury or a health condition, check with a doctor or physiotherapist.
Put it into practice
Exercises to try
- Goblet SquatsBeginner compound kettlebell exercise for the quadriceps, also working the glutes.
- Dumbbell Romanian DeadliftIntermediate compound dumbbell exercise for the lower back and glutes, also working the hamstrings.
- Dumbbell Bench PressBeginner compound dumbbell exercise for the chest, also working the triceps and shoulders.
- One Arm Dumbbell RowsBeginner compound dumbbell exercise for the middle back, also working the lats and shoulders.
Read more
- Free Weights vs. Resistance Machine: Which Should You Use?Ah, the perennial question: "free weights vs. machines - which is better?" Find out in this article (psst: the answer might just surprise you!)6 min read
- Barbell vs. Dumbbell: Is There a Clear Winner?Barbell vs. dumbbell - which should you choose? And, perhaps more importantly, does it even matter in the grand scheme of things? We explore.5 min read
- You Only Need These 3 Equipment To Build A Home GymLook: you can be honest with me. I understand. Between all the packing and the time taken to commute amidst the heavy traffic (depending on what time you work out), you can be exhausted even before you step into a commercial gym.5 min read
More answers
Ask Spot in GymStreak
Spot, the AI coach in GymStreak, answers questions like this from your own logged workouts and food, and changes the workouts in your plan for you. The app is free to download; Spot, starting and logging workouts need Premium, an in-app subscription, and the app shows your local price before you pay.