Diana's Fitness Lab, LLC.

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United States
Ashburn, VA
Diana's Fitness Lab, LLC.

Personal Trainer and Nutritional Advisor
Sport Psychologist
Medical Geneticist It’s an amazing and empowering lifestyle decision that anyone can achieve.

Our Elite Trainers work on three main pillars of fitness "WORKOUT | NUTRITION | MINDSET - Getting in shape shouldn’t be a punishment. We believe in finding the pleasurable side of fitness, and while there may be a sore muscle or two along the way, the amount of fun and levels of energy you will experience will far exceed the discomfort.”
We are passionate about doing more than just designing and d

emonstrating a physical workout routine for you. We strive to teach you to create a change physically, emotionally, and mentally because it is our strong desire to influence you to sustain a healthy lifestyle. Whether you want to improve your physique, maintain optimal nutritional balance, quickly recover from a physical injury, or boost your athletic performance, Diana’s Fitness Lab, LLC is at your disposal! We guarantee to provide you with a holistic approach that is carefully tailored to your needs and goals. We also provide group fitness classes (in person & online) for small groups and corporate companies.

09/03/2026

We’re always watching 👀
No slacking allowed in the gym

09/02/2026

LOUDOUN’S FAVORITE PERSONAL TRAINER! 🏆
We had a wonderful time celebrating with all the "Loudoun's Favorites" winners.
And we are beyond proud to celebrate Diana being voted Loudoun Now’s 2026 Favorite Personal Trainer!

This recognition means so much because it comes from the community we get to serve every single day. Thank you to every client, friend, supporter, and member of the D Fitness Lab family who voted and continues to believe in what we do.

Thank you for the recognition.

Here’s to getting stronger, moving better, and changing lives together. ❤️💪

Thank you, Loudoun!

09/01/2026

One year stronger, and we couldn’t have done it without YOU. ❤️

Thank you to the incredible D Fitness Lab community for showing up, supporting one another, and making this place so special. We’re so grateful you’re part of our journey! 💪✨

08/26/2026

From sidelined and facing possible surgery to running 85 miles a week pain-free. 🏃‍♂️💪

Jacob came to us as a D1 cross country and track athlete struggling with a sports hernia. With a personalized training and recovery plan, he avoided surgery, rebuilt his strength, and returned to running better than ever.

“Not just to recover from my injury, but to rebuild strength and improve as an athlete.”

That’s pain to power. ❤️

Thank you, Jacob, for trusting Diana and D Fitness Lab with your journey!

08/25/2026

This is what real strength looks like. ❤️

When she first came to D Fitness Lab, walking meant pain, a noticeable limp, dizziness, and trouble with balance. Even running shoes were too uncomfortable, so sandals and flip-flops became the only option.

Now? She’s walking pain-free, confidently wearing running shoes and even RUNNING in them. 💪

Strength isn’t always about lifting heavier. Sometimes it’s about getting back the everyday movements you thought you’d lost. You don’t have to accept pain as your normal.

08/24/2026

Watch Diana getting ready for taking on Peru's Salkantay Trek. A trip likes this requires training, building the strength, endurance, and stamina an adventure like this. 💪

From the gym to the track, every workout is prep for this journey. More coming soon.

08/20/2026

Meet Maddy! 💪

Maddy is a Certified Personal Trainer and a certified Pelvic Floor expert who is passionate about helping clients reconnect with their bodies through strength training and intentional movement.

As a proud twin mom, she especially enjoys working with women who are expecting a child or postpartum, helping them build strength, confidence, and a deeper connection with their bodies through every stage.

She also trains young female athletes to improve their skills in their sports.

Her coaching focuses on helping clients break through limits, trust the process, and feel stronger both physically and mentally.

Fitness isn’t just about the results, it’s also made from the journey. ❤️

08/18/2026

The knee-over-toes split squat. Benefits:
1. Builds knee strength. Training the knee to travel forward over the toes loads the quads and knee extensors through a larger range of motion.

2. Improves ankle mobility. The forward knee position requires greater dorsiflexion, which can help improve ankle mobility.

3. Strengthens quads + glutes. The deeper range challenges the quads significantly while the glutes and adductors contribute to hip stability.

4. Improves single-leg stability. Each leg works independently, helping address strength and control differences between sides.

5. Improves lower-body mobility. You train strength at longer muscle lengths rather than simply stretching passively.

6. Develops tendon capacity. Gradually loading the tissues around the knee can improve their tolerance to force over time.

⚠️ Knees going over the toes are not inherently bad. ⚠️

Healthy knees are capable of moving well past the toes. The key is gradual loading, good control, and an appropriate range for the individual.

08/16/2026

Personal trainers aren’t just trainers. ❤️

We’re coaches.
We’re teachers.
We’re motivators.
We’re accountability partners.
Sometimes, we’re therapists without the therapy license. 😅
We’re the ones who celebrate your small wins when you don’t even realize how big they are.

And sometimes, the biggest transformation isn’t the number on the scale or the weight on the bar.
It’s watching someone who once said, “I can’t,” eventually say, “Look what I can do.” ❤️

To all the trainers who pour their heart into their clients, I see you. ❤️
And to my clients: thank you for trusting me with your journey. 🫶

08/12/2026

You don’t have to be stronger first.
You don’t have to be fitter first.
You just have to start. 💪

Whether you’re brand new to strength training, coming out of Injury/Rehab or ready for your next challenge, there’s a place for you at D Fitness Lab.

So… what kind of client are we looking for? You. 😉

Address

21720 Red Rum Drive #172
Ashburn, VA
20147

Website

http://www.dfitnesslab.com/

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