From the study:
“Fourteen patients with unilateral TKA were included from a fast-track orthopedic arthroplasty unit. They received rehabilitation including progressive strength training of the operated leg (leg press and knee-extension), using relative loads of 10 repetition maximum with three training sessions per week for 2 weeks. Rehabilitation was commenced 1 or 2 days after TKA. At each training session, knee pain, knee joint effusion and training load were recorded. Isometric knee-extension strength and maximal walking speed were measured before the first and last session.”
“The training load increased progressively (p < 0.0001). Patients experienced only moderate knee pain during the strength training exercises, but knee pain at rest and knee joint effusion (p < 0.0001) were unchanged or decreased over the six training sessions. Isometric knee-extension strength and maximal walking speed increased by 147 and 112%, respectively.”
“Progressive strength training initiated immediately after TKA seems feasible, and increases knee-extension strength and functional performance without increasing knee joint effusion or knee pain.”
This study will probably change my practice, at least a little. With my background in weightlifting I have always considered myself more aggressive than average with my rehabilitation programs, but even I always started my patients off with the standard post-op exercises: heel slides, quad sets, straight leg raises and ankle pumps, along with PRE hip strengthening exercises that don’t directly affect the knee. I always waited until their follow-up appointment to add in leg presses and resistive leg extensions, etc, which if this study proves correct is still being overly cautious.
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Thanks for reading my blog. If you have any questions or comments (even hostile ones) please don’t hesitate to ask/share. If you’re reading one of my older blogs, perhaps unrelated to neck or back pain, and it helps you, please remember Spinal Flow Yoga for you or someone you know in the future.
Chad Reilly is a Physical Therapist, obtaining his Master’s in Physical Therapy from Northern Arizona University. He graduated Summa Cum Laude with a B.S. Exercise Science also from NAU. He is a Certified Strength and Conditioning Specialist, and holds a USA Weightlifting Club Coach Certification as well as a NASM Personal Training Certificate. Chad completed his Yoga Teacher Training at Sampoorna Yoga in Goa, India.