Empowering Home Self-Checks: How MAI Motion on Your Phone Can Revolutionise Knee Care

Technology is having a profound impact on the way we manage our health, and it’s bringing powerful new tools right into our homes. One area where this is making a real difference is knee care. Early monitoring of knee health is key to maintaining mobility and preventing injuries, but until recently, getting a proper knee assessment usually meant traveling to see a specialist.

Now, thanks to smart innovations like MAI Motion , you can perform accurate knee self-checks using just your smartphone camera. This technology is a true game-changer, making it easier than ever to take control of your joint health with confidence.

In this article, we’ll take a closer look at what MAI Motion is, how it works, and how you can use it for reliable knee assessments at home. We’ll also discuss how this type of technology fits into the future of personalised healthcare—and what it could mean for the way we all care for our knees. By the end, you’ll see how home-based motion analysis could transform knee care without ever leaving your living room.


What Is MAI Motion Technology?

MAI Motion is an easy-to-use app that turns your phone’s camera into a powerful tool for examining your knee movement. The app guides you through some simple motions while capturing video of your knee in action. Then, using advanced algorithms, it analyses those movements to assess how your knee is functioning, identify any potential issues, and keep track of changes over time.

The best part? You can run a knee check any time, anywhere, without having to book appointments or visit a clinic. By tracking your knee health regularly at home, you can spot early signs of injuries like ligament strains or cartilage wear—problems that are much easier to manage if caught sooner. This kind of proactive self-assessment fits perfectly with today’s approach to preventative healthcare.

MAI Motion is part of a growing trend—using devices we already own, such as smartphones, to get clinical-level insights at home. As recent research aptly notes, this technology provides a practical and accurate alternative to traditional testing, capturing key biomechanical features that can be useful to both users and clinicians. Furthermore, studies have shown that MAI Motion data collected in streamlined, user-friendly protocols remains comparable in quality to more traditional lab-based methods.


The Science Behind the Technology

The magic behind MAI Motion is rooted in biomechanics —the science of how our bodies move. When you use the app, your phone’s camera records video as you move your knee through specific exercises. Using computer vision, the app identifies key points on your knee and tracks their movement frame by frame.

This video is then translated into precise numbers—like your joint angles, range of motion, and speed of movement—that reveal how your knee is working. Research shows that modern smartphone cameras, combined with advanced software, can be surprisingly accurate at measuring our movements, rivaling expensive lab equipment.

MAI Motion’s clever algorithms pick up on subtle patterns—a knee that bends unevenly or struggles to straighten could be an early signal of instability or arthritis. The app takes all this technical data and distills it down to easy-to-understand feedback, so you don’t have to be a medical expert to make sense of your results.

By blending complex motion science with straightforward design, MAI Motion puts sophisticated knee assessments within reach for everyone.


How to Do a Home Self-Check with MAI Motion

Getting started with MAI Motion is simple:

  1. Find the right space: Choose a well-lit area with enough room to move comfortably.
  2. Set up your phone: Position your camera at the right height and distance—using a tripod or a stable surface—for a clear view of your knee.
  3. Start the assessment: Open the app and follow the prompts. You’ll usually begin by standing still for a quick calibration.
  4. Follow the instructions: The app will guide you through specific movements, such as bending, straightening, or gently rotating your knee. Focus on slow, controlled motions so the camera can accurately capture the details.

As you move, the app offers real-time tips to help you avoid common mistakes like stepping out of frame or misplacing your foot. Once finished, you’ll receive a detailed report on your joint angles, movement symmetry, and any possible concerns.

If the app detects anything out of the ordinary, it’ll prompt you to consult a healthcare professional. By repeating these self-checks regularly, you can track any changes in your knee health over time—whether you’re recovering from an injury or proactively monitoring your joints.

Recent studies highlight that the experience is both accurate and comfortable, as the assessment works without any awkward markers attached to your body and is designed to reflect your natural movement patterns.


Why MAI Motion Matters for Knee Care—and What’s Next

Bringing MAI Motion into everyday life is a big step forward for personalised knee care. It allows you to keep a closer eye on your knee health, catch small problems before they become serious, and take action if needed—all from home.

On a bigger scale, regular use of tools like MAI Motion could help researchers and clinicians better understand knee movement across different populations. Looking ahead, we might see even more innovation: think integration with wearable sensors, instant feedback tailored just for you, or even predicting your risk of injury before it happens.

Importantly, recent research finds that even simplified, user-friendly protocols capture accurate and clinically meaningful data in home settings, strengthening confidence in remote knee assessments.

Digital innovation is making healthcare more accessible, affordable, and tailored to each person’s needs. Tools like MAI Motion are leading the way—empowering you to be more involved in your own health and making effective knee care possible for everyone.


In Conclusion

MAI Motion makes it easier than ever to monitor your knee health from home, using just your smartphone. Its advanced motion tracking , combined with a user-friendly design, supports early detection, consistent monitoring, and better management of knee problems—all without needing a clinic appointment.

By embracing digital health tools like MAI Motion, you can take a more active role in your wellbeing, complementing professional care with simple, regular self-checks.

As these technologies become part of everyday life, MAI Motion is helping redefine knee care—putting innovation and accessibility in your hands, and supporting your health for the long term.

References

  • Armstrong, K., Zhang, L., Wen, Y., Willmott, A. P., Lee, P., & Ye, X. (2024). A marker-less human motion analysis system for motion-based biomarker identification and quantification in knee disorders. Frontiers in Digital Health. https://doi.org/10.3389/fdgth.2024.1324511
  • Wen, Y., Verma, T., Whitehead, J. P., & Lee, P. (2025). Empirical validation of a streamlined three-repetition sit-to-stand protocol using MAI Motion. Applied Sciences, 15(10), 5688. https://doi.org/10.3390/app15105688
  • Armstrong, K., Wen, Y., Zhang, L., Ye, X., & Lee, P. (2022). Novel Clinical Applications of Marker-less Motion Capture as a Low-cost Human Motion Analysis Method in the Detection and Treatment of Knee Osteoarthritis. Journal of Arthritis, 11(5). https://doi.org/10.4172/2167-7921.2022.11.053