Hello.
I am trying to define the limit or threshold of the knee varus-valgus angle (rotational range) for normal subjects. please suggest good references for me.
It seems cadaveric studies, in vitro, are best.
Best regards: Tserenchimed.
This may help...
1. HSU, ROBERT W. W. et al. Normal Axial Alignment of the Lower Extremity and Load-Bearing Distribution at the Knee. Clinical Orthopaedics & Related Research:
June 1990
2. http://www.biomech.uottawa.ca/english/teaching/apa6905/lectures/2012/Kadaba%20(1990)%20J%20Orthop%20Res.pdf
Hello,
Some articles that could help. There are not cadaveric studies, but radiographic or clinical measures.
In what position do you want to test the knee : flexed or strained ?
http://www.ncbi.nlm.nih.gov/pubmed/22163452
http://www.ncbi.nlm.nih.gov/pubmed/26569249
http://www.ncbi.nlm.nih.gov/pubmed/27408505
http://www.ncbi.nlm.nih.gov/pubmed/17124451
http://www.ncbi.nlm.nih.gov/pubmed/25702592
http://www.ncbi.nlm.nih.gov/pubmed/26435243
thank you very much for suggesting good references for me. However, the papers you suggested were more likely related to the static and dynamic knee alignment. This is not what I want to know. My idea is to determine limit of knee varus-valgus rotation (when knee was in near extension). I have very good reference for determination of knee internal-external rotation limit (http://www.ncbi.nlm.nih.gov/pubmed/?term=knee+rotation+in+healthy+individuals+related+to+aga+and+gender)
now i am trying to find same papers for varus-valgus rotation limit.
Please refer this paper and if you know similar articles, please suggest to me.
Thank you guys. have a nice day.
And these ones ?
http://www.ncbi.nlm.nih.gov/pubmed/26875048
http://www.ncbi.nlm.nih.gov/pubmed/26218329
http://www.ncbi.nlm.nih.gov/pubmed/25115587
http://www.ncbi.nlm.nih.gov/pubmed/26491132
http://www.ncbi.nlm.nih.gov/pubmed/18006318
Sincerely, I dont understand exactly what are you asking.It seems interesting.
Thank you very much Emmanuelle for your effort . The last papers you provided are more useful to me.
I am sorry Gustavo for making some confusion and my poor English may lead this misunderstanding.
Basic idea is to answer this question "how much varus or valgus angle can be generated in human knee joint until the soft tissue started to get injury (or maybe until subject feels uncomfortable)?"
I understand now.This topic is important intraop during TKA and when you explore a patient in the office ( TKA stability).I will try to read the articles above.Thank you!