Clinical Rheumatology

, Volume 26, Issue 4, pp 520–528 | Cite as

Comparison of proprioceptive functions between computerized proprioception facilitation exercise and closed kinetic chain exercise in patients with knee osteoarthritis

  • Da-Hon Lin
  • Yeong-Fwu Lin
  • Hei-Min Chai
  • Yueh-Chin Han
  • Mei-Hwa JanEmail author
Original Article



The aim of this study was to compare proprioceptive function between computerized proprioception facilitation exercise (CPFE) and closed kinetic chain exercise (CKCE) for knee osteoarthritis.




Kinesiology laboratory.


Eighty-one patients with bilateral knee osteoarthritis were randomly assigned to CPFE, CKCE, and control groups.


Both exercise groups underwent an 8-week program of three sessions per week. The control group received no training. The CPFE program included a 20-min computer game to be played by the trained foot of the subject. CKCE included 10 sets of 10 repetitions of repeated knee extension and flexion with resistance of 10–25% of body weight.

Main outcome measures

Absolute reposition error, functional score, walking speed, and knee muscle strength were assessed with an electrogoniometer, the physical function subscale of Western Ontario and McMaster Osteoarthritis Index, a CASIO stopwatch, and a Cybex 6000 dynamometer before and after the 8-week period.


The results of this study showed that both CPFE and CKCE were effective in improving joint position sense, functional score, walking speed, and muscle strength. Furthermore, CKCE showed greater effect in increasing knee extensor torque in patients with knee osteoarthritis.


Clinical effects of CPFE were the same as those of CKCE except for knee extensor torque. The increase in knee extensor torque in CPFE patients was not as great as that seen in CKCE patients.


Exercise Knee osteoarthritis Muscle strength Proprioception 



Financial support from the National Science Council Grant in Taiwan (NSC 91-2218-E-002-033) is gratefully acknowledged.


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Copyright information

© Clinical Rheumatology 2006

Authors and Affiliations

  • Da-Hon Lin
    • 1
  • Yeong-Fwu Lin
    • 2
  • Hei-Min Chai
    • 3
  • Yueh-Chin Han
    • 4
  • Mei-Hwa Jan
    • 5
    Email author
  1. 1.Department of OrthopaedicsEn Chu Kong HospitalTaipeiRepublic of China
  2. 2.Department of Orthopaedics, West Garden Hospital, Graduate Institute of Biomedical EngineeringNational Yang-Ming UniversityTaipeiRepublic of China
  3. 3.School and Graduate Institute of Physical Therapy, Medical CollegeNational Taiwan UniversityTaipeiRepublic of China
  4. 4.Le-Yang Physical Therapy ClinicTaipeiRepublic of China
  5. 5.School and Graduate Institute of Physical Therapy, Medical CollegeNational Taiwan UniversityTaipeiRepublic of China

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