Abstract：
:The current study was designed to compare muscle torques when using the subvastus and parapatellar approaches for unilateral total knee arthroplasty. Twelve female patients had unilateral total knee arthroplasty with the subvastus approach from January 1997 to June 1998. The historic control group consisted of 16 female patients who had unilateral total knee arthroplasty with the parapatellar approach from July 1994 to January 1997. Six and 12 months after surgery, a Cybex dynamometer was used to measure isometric and isokinetic muscle strength. Two parameters were used to compare the two approaches, the first parameter was the difference in peak torque between the surgically treated knee and the baseline value for the healthy knee, and the second parameter was the hamstring to quadriceps peak-torque ratio, again using the value for the healthy knee as baseline. The subvastus approach resulted in an initial higher peak torque in the quadriceps 6 months after surgery, but this difference became insignificant 12 months postoperative. Using the subvastus approach, the hamstring to quadriceps peak-torque ratio reached the normal range (0.50-0.80) sooner than was the case using the parapatellar approach. There is a phenomenon of cross adaptation of the untreated knee to the surgically treated knee, and knees operated on by the subvastus approach showed functional recovery at an earlier date than those operated on by the parapatellar approach.
journal_name
Clin Orthop Relat Resjournal_title
Clinical orthopaedics and related researchauthors
Chang CH,Chen KH,Yang RS,Liu TKdoi
10.1097/00003086-200205000-00027subject
Has Abstractpub_date
2002-05-01 00:00:00pages
189-95issue
398eissn
0009-921Xissn
1528-1132pub_type
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journal_title：Clinical orthopaedics and related research
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journal_title：Clinical orthopaedics and related research
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journal_title：Clinical orthopaedics and related research
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journal_title：Clinical orthopaedics and related research
pub_type： 杂志文章,评审
doi：
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journal_title：Clinical orthopaedics and related research
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journal_title：Clinical orthopaedics and related research
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journal_title：Clinical orthopaedics and related research
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journal_title：Clinical orthopaedics and related research
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journal_title：Clinical orthopaedics and related research
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journal_title：Clinical orthopaedics and related research
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journal_title：Clinical orthopaedics and related research
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journal_title：Clinical orthopaedics and related research
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journal_title：Clinical orthopaedics and related research
pub_type： 杂志文章
doi：
更新日期：1983-07-01 00:00:00
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journal_title：Clinical orthopaedics and related research
pub_type： 杂志文章
doi：
更新日期：1986-11-01 00:00:00
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journal_title：Clinical orthopaedics and related research
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更新日期：2001-01-01 00:00:00
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journal_title：Clinical orthopaedics and related research
pub_type： 杂志文章
doi：10.1007/s11999-009-0850-6
更新日期：2009-09-01 00:00:00
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journal_title：Clinical orthopaedics and related research
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journal_title：Clinical orthopaedics and related research
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journal_title：Clinical orthopaedics and related research
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journal_title：Clinical orthopaedics and related research
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更新日期：1995-03-01 00:00:00
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journal_title：Clinical orthopaedics and related research
pub_type： 杂志文章
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更新日期：1991-06-01 00:00:00
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journal_title：Clinical orthopaedics and related research
pub_type： 杂志文章
doi：10.1097/00003086-200212000-00011
更新日期：2002-12-01 00:00:00
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journal_title：Clinical orthopaedics and related research
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更新日期：2006-12-01 00:00:00
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journal_title：Clinical orthopaedics and related research
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更新日期：1982-10-01 00:00:00
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journal_title：Clinical orthopaedics and related research
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更新日期：2018-05-01 00:00:00
