5 Common Mistakes People Make in the Gym (And How to Fix Them)
- It's Your Time to Shine Mentoring

- May 18
- 5 min read
Walking into a gym can feel like stepping into a foreign country.
Everyone seems to know what they’re doing. Machines look like medieval torture devices. And you’re just trying to figure out if you’re about to accidentally launch yourself off a treadmill.
Let me tell you something right now:
Most people in the gym are just winging it with confidence.
And a lot of them are making mistakes that are slowing their progress way down.
Not because they’re lazy. Not because they don’t care...
Because nobody taught them better.
So let’s fix that.
Mistake #1: Doing Only Cardio
Ah yes. The treadmill marathon.
Forty-five minutes. Same speed. Same incline. Same playlist you’ve been listening to since 2016.
Cardio is not the enemy. But if it’s the only thing you’re doing, we need to talk.
Too much cardio and no strength training can lead to:
Muscle loss
Slower metabolism
Plateaus
“Why do I look the same even though I’m dying on this machine?” syndrome
If cardio alone worked, every stressed-out mom pacing the kitchen would have a six-pack.
How to Fix It
Add 2–4 strength sessions per week
Use cardio as a tool, not your entire personality
Focus on getting stronger over time
You don’t need to sweat more. You need to build more.
I have had many conversations with people over the years that the idea of weights scare them. They are afraid of hurting themselves or doing it wrong. That is a genuine concern that should not be discounted. Definitely consult with a professional if you want to do proper form and if that is not in the budget for you, we live in a great time of technology. YouTube has great videos on proper form.
And if you are STILL afraid of that pesky dumbbell? Did you know that you can do strength training without a single weight, band or machine? There’s tons of movement we can do that just relies on our own body strength and you can still find ways to track your progress!
Mistake #2: Lifting Weights That Are Way Too Light
Let’s talk about the 5-pound dumbbells that haven’t felt heavy since 2009.
If your last rep feels exactly like your first rep, your muscles are basically on vacation.
Muscle grows when it’s challenged.
If your dumbbells feel like stylish accessories, we might have a problem.
How to Fix It
Choose a weight that makes the last 2–3 reps hard
Increase weight gradually
Track your lifts so you can see progress
And no, lifting heavier does not automatically make you bulky.
If it were that easy, every person carrying Costco groceries would look like a bodybuilder.
When I first started using machines at the gym, I used my notepad on my phone and I typed in the name of the machine and the max weight I was using. The first day was humbling at it was mainly 10lbs across the board. At first I would beat myself up and have negative self talk but this time was different. This time I was committed to this process and wanted to focus on those entries in my phone. Over time those 10lbs were becoming 20lbs, 30lbs and on some machines even higher. Then over time, I would go back to those 10’s and it felt so light that I couldn’t believe it! It was so easy and it was amazing to see and feel in real time, what once felt so daunting and hard, became so light, all because of consistency!
Mistake #3: Ego Lifting With Terrible Form
Now we swing to the other extreme.
Grabbing weights that are way too heavy and swinging them around like you’re trying to fight off a swarm of bees.
Your joints are not impressed. Your lower back is not amused.
Your ligaments did not sign up for your midlife strength crisis.
Bad form:
Increases injury risk
Activates the wrong muscles
Slows real progress
How to Fix It
Master form before increasing weight
Slow down your reps
Focus on muscle connection
Controlled reps > chaotic flailing.
You are welcome to reach out to us at It's Your Time to Shine Mentoring for custom workout plans. And if not, YouTube is such an amazing resource to find adaptations and find the right way to do any movement.
Mistake #4: Program Hopping Every Two Weeks
One week it’s bootcamp.
Next week it’s HIIT.
Then Pilates.
Then some random influencer workout you found at 11 pm.
Your body needs consistency to adapt and improve.
Your workout routine shouldn’t look like your dating history.
If you never stick with anything long enough, you never see the payoff.
How to Fix It
Commit to a program for at least 6–8 weeks
Track your progress
Let boredom be a sign you’re building discipline
Consistency isn’t sexy.
But results are.
Like I said above, when I first started going to the gym, my priority was to learn the machines properly and just be consistent. I did the same workout routine every time I went and kept track of where I was at with each machine. After a month or two, I was no longer focused on how I looked or my body, I was focused on the reps and weights increasing, the personal records I was hitting and it was fueling my motivation to keep up with the consistency.
Mistake #5: Ignoring Recovery and Nutrition
You cannot out-train:
4 hours of sleep
Chronic stress
Random drive-thru meals
“I’ll just wing it” nutrition
Muscle is built when you recover.
Fat loss happens when your body feels safe and supported.
Your body cannot build muscle on vibes and caffeine alone. Sorry not sorry.
How to Fix It
Sleep 7–9 hours
Eat enough protein
Take rest days
Manage stress
Rest days are not lazy.
They are strategic.
This of this like a sports team. Every player plays an important role as an individual to make the team as a whole a champion. In Baseball, the pitcher on the team is just as valuable as the clean up batter at the plate. Sleep, nutrition, movement, stress management, rest days, etc., all are on your team, each with it's own role to make you a champion!
The Real Bottom Line
Gym mistakes don’t mean you’re failing.
They mean you’re learning.
The gym is not reserved for the already-fit. It’s for the becoming-fit.
And here’s the tough-love truth:
You don’t need a perfect plan.
You need a consistent one.
You don’t need to look like you belong.
You just need to show up like you matter.
Because you do.
I want you to imagine something.
A year from now, you walk into that same gym.
But this time, you don’t feel intimidated.
You feel grounded.
You know what you’re doing. You move with confidence. You lift with intention. You trust your body instead of criticizing it.
You don’t shrink when someone stronger walks by.
You don’t panic if you miss a workout.
You don’t spiral if progress is slow.
Because you’ve built something deeper than muscle.
You’ve built resilience.
You’ve built discipline.
You’ve built self-respect.
The gym didn’t just change your body.
It changed the way you see yourself.
And one day you’ll look back at the version of you who felt scared, unsure, and overwhelmed… and you’ll be so proud that she didn’t quit.
Not because it was easy.
But because she decided she was worth the effort.
And that’s when everything changed. 💛




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