Key takeaways
- Calories burned in one workout are a small, noisy number. The muscle you build keeps working for you every day.
- Muscle does raise your resting metabolism, but only modestly: roughly 13 calories per kilogram per day, about three times what the same weight of fat uses.
- The bigger wins from muscle are shape, strength, and how your body looks and feels even on rest days.
- To build it, train with progressive overload, eat enough protein, and stay consistent for months, not weeks.
If your workout is only about burning calories, you’re focusing on the wrong metric. That’s the message Norvic shared in this reel, and it’s one of the most common patterns he sees with clients. The women with the leanest, most athletic physiques usually aren’t trying to burn more. They’re trying to build more muscle.
Why the calorie number on your watch misleads you
A sweaty class that “burns 600 calories” feels productive. But that number is an estimate, it disappears the moment the session ends, and it’s easy to eat back with a snack. When the burn becomes the goal, workouts drift toward more cardio, more circuits and more exhaustion, while the thing that actually changes your shape gets left out.
So what should you chase instead? Strength. Lifting a little more, or doing a few more good reps, than you did last month is the clearest sign you’re building muscle. That’s a number you keep.

Does more muscle really mean a faster metabolism?
Yes, but it’s worth being honest about the size of the effect. Research on the energy use of different tissues puts resting skeletal muscle at about 13 calories per kilogram per day, compared with about 4.5 for fat. Adding two kilograms of muscle therefore adds roughly 25 calories a day at rest. Helpful, but not magic.
Resting calories used per day
Estimated energy use at rest, by tissue
Source: Wang et al., Am J Clin Nutr, 2010. Values are averages for adults at rest; individual numbers vary.
Training itself adds to the picture. A review by Westcott (2012) summarised that about ten weeks of resistance training may add around 1.4 kg of lean weight, lower fat by about 1.8 kg, and raise resting metabolic rate by up to 7%. Results vary from person to person, but the direction is clear: lifting changes body composition, not just body weight.
The real payoff: shape, strength and a body that works
The metabolism story gets the headlines, but it isn’t the main reason to build muscle. Muscle is what gives your body shape when fat comes off. It’s why two people at the same scale weight can look completely different. It makes daily life easier, from carrying groceries to picking up a child. And it’s why your body still looks firm on the days you don’t train.
Have you ever lost weight and still felt soft? That’s often what happens when a plan is built only around eating less and moving more, with no real strength work. The scale drops, but the shape doesn’t change the way you hoped.

How to start chasing strength instead
| Shift | From | To |
|---|---|---|
| Main goal | Calories burned | Strength gained over time |
| Training | Random circuits to exhaustion | A plan you repeat and progress |
| Tracking | Watch calories | Weights, reps and sets in a log |
| Nutrition | Eating as little as possible | Enough protein and energy to build |
Train with progressive overload. Add a little weight or a few reps over time. A study in trained lifters found that adding reps or adding load both built muscle over eight weeks, so pick whichever fits the day.
Do enough hard sets. A meta-analysis linked more weekly sets per muscle with greater muscle growth, with around 10 or more weekly sets per muscle tending to do better than fewer than 5. Start where you can recover, then build.
Eat enough protein. In a large meta-analysis, gains in lean mass stopped improving at around 1.6 g of protein per kilogram of body weight per day. That’s a useful target for most healthy adults who lift.
If you want a plan built around your schedule and goals, Norvic takes coaching clients through the Norvic Fit application. You can also find more reels like this on his Instagram, or keep reading in the Journal.
This article is general education, not medical advice. Check with your doctor before big changes to diet or exercise, especially if you have a medical condition, take medication, or are pregnant or postpartum. If you’re new to lifting, a qualified coach can help you learn safe technique before you add load.
Frequently asked questions
Is cardio bad for building muscle?
No. Cardio is great for your heart and overall health. The problem is only when it replaces strength training. Keep both, and let lifting lead if your goal is shape.
How much does muscle boost metabolism?
Modestly. Resting muscle uses about 13 calories per kilogram per day. The bigger benefits are strength, shape and better health markers.
Will lifting weights make women bulky?
Building muscle takes consistent effort and time. For most women, lifting creates a firmer, more athletic look rather than bulk.
How often should I lift to build muscle?
Two to four sessions a week works for most people, as long as each muscle gets enough hard sets and you add load or reps over time.
How much protein do I need?
Research suggests around 1.6 g per kilogram of body weight per day for people who lift. Your needs may differ, so check with a professional if you have a health condition.
How do I know I’m building muscle?
Look for steady strength gains in your log, changes in measurements and photos, and clothes fitting differently, even if the scale barely moves.
Sources
- Norvic Chanco. Instagram reel, August 4, 2026. instagram.com/p/Dbov2w1hHRB
- Wang Z, Ying Z, Bosy-Westphal A, et al. Specific metabolic rates of major organs and tissues across adulthood. Am J Clin Nutr. 2010;92(6):1369–1377. doi:10.3945/ajcn.2010.29885
- Westcott WL. Resistance training is medicine: effects of strength training on health. Curr Sports Med Rep. 2012;11(4):209–216. doi:10.1249/JSR.0b013e31825dabb8
- Plotkin D, et al. Progressive overload without progressing load? PeerJ. 2022;10:e14142. doi:10.7717/peerj.14142
- Schoenfeld BJ, Ogborn D, Krieger JW. Dose-response relationship between weekly resistance training volume and increases in muscle mass. J Sports Sci. 2017. doi:10.1080/02640414.2016.1210197
- Morton RW, et al. A systematic review, meta-analysis and meta-regression of the effect of protein supplementation on resistance training-induced gains in muscle mass and strength. Br J Sports Med. 2018;52(6):376–384. doi:10.1136/bjsports-2017-097608
- Featured image: Photo by John Arano on Unsplash.
From our network Sponsored

Written by
Norvic Chanco
Professional Fitness Coach
With 20+ years of coaching behind him, Norvic coaches strength training, movement mechanics and personalised programming. He helps athletes and everyday lifters build strength that carries over to real life, online and in person.
- Strength
- Biomechanics
- Programming












