Episode 72 explains why walking ability and strength often improve on different timelines after total knee replacement. Michelle discusses why walking can improve through reduced pain, better rhythm, and compensation before the quadriceps has fully rebuilt strength, endurance, and control. The Episode helps listeners understand why stairs, sit-to-stands, fatigue, and longer outings may still feel difficult even when walking is improving, and how to interpret those experiences with more confidence and direction. Listeners will leave with a clearer way to interpret progress and take a more active role in rebuilding strength and function.

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Medical Disclaimer: This podcast is for educational purposes only and does not constitute medical advice. The content is not intended to replace individualized medical guidance, diagnosis, or treatment. Always consult your surgeon, physical therapist, or other qualified healthcare provider regarding your specific condition, surgical decisions, and rehabilitation plan.

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Evidence-Based Content Statement: All information presented in this episode is grounded in peer-reviewed research, published clinical guidelines, and current best practices in orthopedic surgery and rehabilitation.

Music Licensing Statement: Intro and outro music for the Total Knee Success Podcast is licensed for commercial use. Editing and production for this episode were completed using Descript.

References:

Orange GM, Hince DA, Travers MJ, Stanton TR, Jones M, Sharma S, et al. Physical function following total knee arthroplasty for osteoarthritis: A longitudinal systematic review with meta-analysis. J Orthop Sports Phys Ther. 2025;55(1):1-11. doi:10.2519/jospt.2024.12570.

Faber N, Skrobot M, Duda GN, Brisson NM. Changes in knee pain and walking speed following total knee arthroplasty and their association: A systematic review and meta-analysis. Osteoarthritis Cartilage Open. 2025;7(4):100694. doi:10.1016/j.ocarto.2025.100694.

Dandis AS, Hoogeboom TJ, Sliepen M, et al. Latent class analysis to predict outcomes of early high-intensity physical therapy after total knee arthroplasty based on longitudinal trajectories of walking speed. J Orthop Sports Phys Ther. 2021;51(7):362-371. doi:10.2519/jospt.2021.10299.

Mizner RL, Snyder-Mackler L. Quadriceps strength and the time course of functional recovery after total knee arthroplasty. J Orthop Sports Phys Ther. 2005;35(7):424-436. doi:10.2519/jospt.2005.35.7.424.

Mizner RL, Petterson SC, Stevens JE, Vandenborne K, Snyder-Mackler L. Early quadriceps strength loss after total knee arthroplasty: The contributions of muscle atrophy and failure of voluntary muscle activation. J Bone Joint Surg Am. 2005;87(5):1047-1053. doi:10.2106/JBJS.D.01992.

Devasenapathy N, Maddison R, Malhotra R, Zodepy S, Sharma S, Belavy DL. Preoperative quadriceps muscle strength and functional ability predict performance-based outcomes 6 months after total knee arthroplasty: A systematic review. Phys Ther. 2019;99(1):46-61. doi:10.1093/ptj/pzy118.