The Knee Program That Helps Active People 40+ Strengthen Their Knees and Keep Doing What They Love

An 8 week guided program for skiers, pickleballers, and outdoorsy people who want stronger, more resilient knees -- so they can keep playing hard without worrrying about pain, injury, or wearing out.  

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Knee Injuries are a Leading Cause of Disability in the U.S.

You've worked hard your whole life to stay active. The mountains, the trails, the court — that's not just exercise for you. It's who you are.

But knee pain has a way of slowly stealing all of it. First it's a nagging ache after a long ski day. Then it's cutting hikes short. Then someone mentions surgery. Then suddenly the lifestyle you've built is at risk.

Arthritis, tendonitis, torn ACLs, chronic pain — these aren't just medical terms. They're the things that force active people to miss seasons, sit on the sidelines, and give up the sports they've loved for decades.

You're not ready for that. And you shouldn't have to be.

The truth is, for mountain athletes and outdoor enthusiasts, stronger knees means fewer injuries. 

You're less susceptible to injury when your muscles are stronger, your balance is better, your reactions are faster, and your body is generally more resilient. 

Random exercises won't cut it. You need a Strategy.

 

Your body has weaknesses you may not even realize. These deficits develop over time, from old injuries and years of compensations--  they make you more susceptible to falls, pain, injury, or breakdown.

To reverse your imbalances, and actually build strength that matters, you need your nervous system and muscles communicating, so you move with coordination and efficiency. 

...and that's what neuromuscular training exercises do.

Neuromuscular training teaches the brain and body to communicate better, so you move better, perform better, and avoid pain or injury.

It's the most effective way to have strong, pain-free knees and a more durable body for skiing, hiking, adventuring, and more.

The problem is, most people don't know how to do this. So they waste time not getting results, or they make themselves worse.

INTRODUCING THE

This step-by-step transformational program will guide you to becoming stronger and more durable for your active lifestyle, without pounding your joints.

You will learn how to strengthen your knees and support your body so you can live your best life, on the mountain, on the court, and with your family.

âś“ Reduce pain

✓ Prevent injuries

✓ Promote longevity

âś“ Enhance performance

Are you ready to protect your knees so you can get more years doing what you love? 

✔︎ Less pain and stiffness 

✔︎ Better stability and balance

✔︎ More resilience and a lower risk of injury

✔︎ More confidence that your knees will keep up with you as you age

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I’ve helped 6000+ outdoor enthusiasts become more durable and pain-free with this proven process 


I'm Dr. Leslie Desrosiers, PT, DPT, OCS, CSCS -- As a Doctor of Physical Therapy and a lifelong athlete in skiing, soccer, volleyball, and pickleball, I've helped over 6000 active people strengthen their knees using the neuromuscular training principles I've refined over 20 years of clinical practice. I created ACL Strong because I kept seeing the same preventable injuries take active, passionate people off the mountain — and I knew there was a better way.

Easy-To Follow Exercise Routines With Modifications For All Levels

Designed By Doctors of Physical Therapy and Proven By Thousands of Participants

Module 1: Master Your Movement

  • Establish good movement patterns from the inside-out 
  • Activate your gluteals and core
  • Learn stretches that will last your lifetime

Module 2: Rock Your Core

  • Strengthen the glutes
  • Improve body awareness and control
  • Feel your core muscles getting stronger
  • Learn daily stretches for your lower back that you'll love

Module 3: Enhancing Stability

  • Develop strength and body control for real-life activities
  • Feel noticeably more stable on uneven terrain and during quick direction changes

Module 4: Rising Resilience

  • Leg and core strengthening that feels more like your everyday sports and activities
  • You'll start moving quicker and staying more balanced
“My ACL Strong exercises saved me from an injury already! I had an impact where I landed on one foot with force and wasn’t able to bend correctly. It could have been a recipe for injury, but it wasn’t! I’m SO relieved that my knee was solid enough to stay strong under pressure. Thank you!"
-Mary Jane, 55 years old, Advanced Skier

Module 5: Reinforce the Foundation

  • Hip and core strength are crucial for protecting your knees, hips, and lower back - you're feeling the difference already!
  • Learn how to land safely so you don't tear your ACL
  • Improve speed, quickness, and footwork

Module 6: Train Like An Athlete

  • Develop more advanced balance and control
  • Build the glute strength that protects your knees on steep descents and sudden stops

Module 7: Bulletproof Breakthrough

  • Breaking through to more awareness and durability
  • Faster responses to the environment
  • Move with coordinated efficiency -- your body will feel like it's working with you, not against you

Module 8: Amplify Your Athleticism

  • You're just a better athlete, who moves and feels better
  • Higher level exercises that you didn't know you'd be capable of - well done!

What our members say...

A big difference in my strength and conditioning

“The training has made a big difference in my strength and conditioning this year, so thank you very much for the fine program!!” 

Eric H.

My knees haven’t felt this good in 20 years.

“I just turned 69 !!! My knees haven’t felt this good in 20 years. This has changed my life. I’m no longer thinking about surgery.”

Mary Jo K.

 
Helped me rehab my recently sprained knee

“Not only do they help your knees become stronger, they helped me rehab my recently sprained knee that previously had meniscus surgery. Thank you Dr. Leslie!!!!”

Jamie R.

Made a difference in strength, agility, and confidence

“This program made a difference in strength, agility, and confidence on skis. I tore an MCL a couple of years ago, and even with extensive rehab, I always worried about it. ACL Strong helped me strengthen and get over that apprehension.”

Gillian S.

ACL Strong has helped me avoid surgery

“I had been recommended to have two knee replacements. ACL Strong has helped me avoid surgery, for now. I’m skiing stronger this year than last. Thank you for the program!”

Erick K., NSP

My legs became noticeably stronger  ready to ski

“Even though I consistently workout, following the program helped my legs become noticeably stronger and ready to ski. The addition of balance work and a proper pre-ski warm-up were an added benefit.”

James S., Coach

This program is for you if...

  • You're active, outdoorsy, and over 40 — and you want to stay that way
  • Your knees ache after a ski day, a long hike, or a couple hours of pickleball
  • You've had a past injury and want to make sure it doesn't happen again
  • You've tried other exercises and haven't gotten lasting results
  • You want a clear, guided plan — not guesswork  

      

This program is NOT for you if...

  • You're looking for a quick fix with no effort
  • You just had surgery or tore your ACL and in-person care is more appropriate for you right now (consult with your provider first)

ACL Strong makes it SO easy to become stronger, more balanced, and more resilient for living your best life.

Pay Only One Single Payment of $397 - and it's yours forever

That's less than physical therapy, a gym membership, or an MRI, and you get lifetime access to the complete system

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Plus, there’s NO risk because your investment is fully backed by our 60 day Money Back Guarantee!

We are so confident in ACL Strong and we want you to feel at ease with your investment. You can rest assured that if you buy this program and go through the training, but you truly don’t find value in it, we will give you your money back. No questions asked.

Let’s Recap

 

When you buy now, you’ll get instant access to:

 

✓ The Signature Program - A complete step-by-step program with 8 training modules of the exact exercises you can do on your own to save your knees and body long-term 

✓ 📲 Mobile App Access - Take your workouts anywhere. Follow the course outline or stream sessions from your phone or tablet, whether you're at home, at the gym, or in the mountains

✓ Private Community - Connect with thousands of like-minded active adults who are on the same journey. Share wins, ask questions, and stay motivated with people who get it

 

For Only One Single Payment Of $397 -- and it's yours forever 

 

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