Minimally invasive total knee arthroplasty (MIS-TKA) became the popular technique. It had the less postoperative pain and shorter recovery time compared to the conventional technique. With using MIS technique, less cut of quadriceps tendon was the key. It related to keep more quadriceps strength and improve functional performance after TKA. However, there was no previous studies about the effect of quadriceps incision length in the recovery time of the quadriceps strength. The investigators hypothesized that longer quadriceps incision affected the longer recovery time of quadriceps strength in MIS-TKA.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
TRIPLE
Enrollment
60
MIS-TKA was performed with less than 2 cm Quadriceps incision length
MIS-TKA was performed with 2 to 4 cm Quadriceps incision length
MIS-TKA was performed with more than 4 cm Quadriceps incision length
The recovery time of Quadriceps strength
Quadriceps strength was tested every month postoperatively, Recovery time was the amount of months which the Quadriceps strength returned to preoperative level.
Time frame: Upto 6 months
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