I’ve heard just about every myth in the book when it comes to strength training.
“Won’t lifting make me bulky?”
“Cardio burns fat better.”
“I don’t need weights; I’ll just use machines.”
The list goes on.
The truth is, most people misunderstand what strength training actually does for the body. It’s not just about getting bigger muscles or lifting the heaviest barbell in the gym—it’s about building resilience, balance, and long-term health. At NateFit, we approach strength training with an evidence-based mindset: using science, not trends, to help people move, feel, and perform better.
In this article, I’ll break down five of the biggest strength training myths I see every week, share what the research really says, and explain how we coach around these misconceptions at NateFit. Whether you’re brand new to lifting or trying to make sense of all the conflicting advice online, you’ll walk away with a clear understanding of what actually works—and why.

Myth #1: Strength Training Makes You Bulky
Let’s get this one out of the way first—lifting weights doesn’t automatically make you bulky.
Building noticeable muscle mass requires years of progressive overload, consistency, and a caloric surplus (eating more calories than you burn). The average person, especially those training two to four times a week while eating for maintenance or slight deficit, will get leaner, stronger, and more defined—not bulky.
What the science says
Research shows that strength training improves muscle tone and metabolic health without large increases in body mass for most people (Schoenfeld, 2010, Journal of Strength & Conditioning Research). In fact, lifting weights helps your body burn more calories at rest due to increased lean muscle mass.
How we approach it at NateFit
At NateFit, we tailor programs based on your goals and body type. If someone wants to get stronger without adding size, we focus on strength-focused programming (lower reps, heavier loads, adequate rest) combined with smart nutrition strategies. The goal is to enhance performance and physique—not inflate it.
Myth #2: Cardio Is Enough for Fat Loss
There’s no question cardio plays a role in heart health and calorie expenditure, but relying on cardio alone for fat loss often backfires. You might lose weight initially, but much of that can be muscle, not just fat. When you lose muscle, your metabolism slows down, making it harder to keep the weight off.
What the science says
A combination of strength training and cardio yields the best long-term fat loss results. Studies consistently show that people who lift weights maintain more muscle and lose more fat compared to those who only do cardio (Willis et al., 2012, Journal of Applied Physiology).
How we coach it at NateFit
We help clients build a balanced program—using resistance training to maintain muscle mass, improve insulin sensitivity, and keep metabolism high, while integrating cardio for cardiovascular and mental health. It’s not “either-or”; it’s about using both strategically.
Myth #3: You Need Machines to Build Strength
Machines can be great for isolation work or for those recovering from injury, but they’re not essential for getting stronger. Your body doesn’t know whether resistance comes from a dumbbell, a barbell, or your own bodyweight—it just responds to tension and effort.
What the science says
Free weights and compound movements activate more stabilizing muscles and improve coordination, balance, and joint health (Behm & Sale, 1993, Sports Medicine).
How we approach it
At NateFit, we emphasize movement quality and versatility. Most of our programs include a mix of free weights, bodyweight work, and functional exercises that translate to real-world movement—like picking up groceries, hiking, or playing with your kids. Machines have their place, but they’re just one tool among many.
Myth #4: More Is Better
Training six or seven days a week doesn’t automatically lead to better results—it often leads to burnout, fatigue, and plateaus. Your body grows stronger when you recover, not when you’re constantly breaking it down.
What the science says
Research on recovery and muscle adaptation shows that 2–4 quality sessions per week are often enough for significant strength gains, especially for beginners and intermediates (Grgic et al., 2018, Journal of Sports Sciences).
NateFit’s approach
We design programs around your lifestyle and recovery capacity. Many of our clients train three to four times per week and still see outstanding results because they prioritize consistency, not excess. Sleep, nutrition, and smart programming matter just as much as the workout itself.
Myth #5: Strength Training Is Only for the Young (or Fit)
This one couldn’t be further from the truth. Strength training is one of the most effective tools for healthy aging, injury prevention, and maintaining independence later in life. It improves bone density, balance, and mobility—things everyone can benefit from.
The research
Aging adults who lift weights experience less muscle loss (sarcopenia), improved metabolic health, and reduced risk of falls (Westcott, 2012, Current Sports Medicine Reports).
How we coach it at NateFit
We meet clients where they are—whether that’s someone in their 20s looking to improve performance or someone in their 60s building strength for longevity. Every program is scaled appropriately, with emphasis on safe progressions and functional strength that supports everyday movement.
The NateFit Philosophy: Science-Driven, Habit-Focused, and Built to Last
Strength training isn’t about chasing fads or hitting a “perfect” number on the scale. It’s about building habits that last—ones that keep you strong, capable, and confident for life.
At NateFit, we base our coaching on three pillars:
- Evidence over trends – Every decision we make is backed by research and real-world results.
- Habits over hacks – Quick fixes don’t work; consistent, small actions do.
- Longevity over aesthetics – We help you build a body that performs well and feels great long term.
If you’ve been hesitant to start strength training because of old myths or bad experiences, this is your sign to begin—with proper guidance, smart programming, and a sustainable mindset.
FAQs About Strength Training Myths
1. Do I need to lift heavy to see results?
Not necessarily. You can make progress with moderate weights as long as you train close to failure and challenge your muscles consistently.
2. Can I strength train and still do cardio?
Absolutely. A mix of both produces the best results for most people. Just plan your training so you’re not overtraining.
3. How many days a week should I strength train?
For beginners, 2–4 sessions per week is ideal. Focus on full-body workouts and proper recovery.
4. Will strength training help me lose belly fat?
Indirectly, yes. It raises your metabolism and helps preserve muscle while you’re in a calorie deficit.
5. Do I need supplements to build strength?
No—food first. Protein-rich meals and enough calories are the foundation. Supplements can help fill gaps, but they’re not essential.
The Truth About Strength Training
Most of the confusion around strength training comes from outdated advice and fitness myths that just won’t die. The truth is simple: lifting weights improves nearly every aspect of your health and fitness, regardless of your age, goals, or experience level.
At NateFit, we’re here to make the process straightforward, sustainable, and rewarding. If you’re ready to stop guessing and start training with purpose, book a consultation today or explore our fitness programs to see how we can help.
Author Bio
Written by Clifford Krauss, CSEP-CPT, Bachelor of Health and Physical Literacy.
With over six years of coaching experience and a lifetime of sports and movement, I combine real-world athletic understanding with the latest research to help people move, feel, and perform at their best.
Headshot: professional gym setting.
