title: Comparative study between 2 cm limited quadriceps exposure minimal invasive surgery and conventional total knee arthroplasty in quadriceps function: prospective randomized controlled trial.
abstract: OBJECTIVE
  To compare the recovery time and straight leg raising test after total knee replacement between 2 cm limited quadriceps exposure minimally invasive surgery total knee replacement (2cm Quad MIS TKR) and conventional total knee replacement.
  
  
  METHODS
  The authors conducted a randomized controlled trial in 40 osteoarthritis knee patients in two groups. Total replacement was performed by the same surgeon and the same prosthesis was used in each group. The function of Quadriceps muscle (straight leg raising test) range of motion was evaluated postoperatively.
  
  
  RESULTS
  The 40 patients enrolled in the present study followed the complete study. After surgery with 2 cm Quad MIS TKA, quadriceps function recovery time was faster than with conventional total knee replacement. The quadriceps function was evaluated by the straight leg raising test (SLRT) in sitting and lay down position and the time of ambulation.
  
  
  CONCLUSIONS
  Operative treatment with 2 cm Quad MIS TKA improved recovery time in quadriceps function when compared with conventional total knee replacement.
authors.affiliation: Department of Orthopedics, Phramongkutklao Hospital, Bangkok, Thailand.
authors.forename: Thanainit
authors.initials: T
authors.lastname: Chotanaphuti
authors.forename: Pipat
authors.initials: P
authors.lastname: Ongnamthip
authors.forename: Krit
authors.initials: K
authors.lastname: Karnchanalerk
authors.forename: Phichai
authors.initials: P
authors.lastname: Udombuathong
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D019645:Arthroplasty, Replacement, Knee / Q000379:methods*; D005080:Exercise Test; D005260:Female; D006305:Health Status Indicators; D006801:Humans; D007719:Knee Joint / Q000502:physiology / Q000601:surgery*; D008297:Male; D008875:Middle Aged; D019060:Minimally Invasive Surgical Procedures; D020370:Osteoarthritis, Knee / Q000150:complications / Q000601:surgery*; D011446:Prospective Studies; D052097:Quadriceps Muscle / Q000502:physiology*; D016059:Range of Motion, Articular; D013997:Time Factors; D016896:Treatment Outcome