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Research Journal of Pharmacy and Technology
Year : 2018, Volume : 11, Issue : 6
First page : ( 2517) Last page : ( 2524)
Print ISSN : 0974-3618. Online ISSN : 0974-360X.
Article DOI : 10.5958/0974-360X.2018.00465.1

Effect of isokinetic training on quadriceps muscle strength in osteoarthritis of knee

Raj Naresh Bhaskar1,*, Saha Soumendra2, Shokri Amran Ahmed3, Saha Srilekha2, Razali Hazliza4, Othman Yanti Nur Haryana4, US Mahadeva Rao5

1Senior Lecturer, Faculty of Health Sciences, University Sultan Zainal Abidin (UniSZA), 21300, Kuala Nerus, Terengganu, Darul Iman, Malaysia

2School of Health Sciences, University Sains Malaysia, 16150, Kelantan, Darul Naim, Malaysia

3Professor, School of Medical Sciences, University Sains Malaysia, 16150, Kelantan, Darul Naim, Malaysia

4Post Graduate Student, Faculty of Health Sciences, University Sultan Zainal Abidin (UniSZA), 21300, Kuala Nerus, Terengganu, Darul Iman, Malaysia

5Professor, School of Basic Medical Sciences, UniSZA, 20400, Kuala Terengganu, Malaysia

*Corresponding Author E-mail: bnaresh@unisza.edu.my

Online published on 24 August, 2018.


The aim of the present study was to investigate the role of Isokinetic Training and Electromyography biofeedback training in improving strength of the quadriceps femoris in participants with Osteoarthritis of knee. Fifty four participants (male and female) in the age range of 50–63 years with knee Osteoarthritis of Grade II and III (Kellgren-Lawrence criteria) severity were recruited from the Department of Orthopedics, Hospital Universiti Sains Malaysia. The selected participants were taken to the Exercise and Sports science laboratory and the laboratory of School of Medical Sciences, Universiti Sains Malaysia for baseline assessment. Extent of muscle strength was assessed employing the isokinetic device BIODEX 4 System Pro. On completion of the baseline assessment the participants were randomly categorized into three groups (Gr.) (Viz. Gr. A, Gr. B, Gr. C and Gr. D) and thus each group consisted of 18 participants. Gr. A participants received Conventional Physiotherapy consisting of strengthening exercises; stretching exercises and range of motion exercises. Gr. B received Isokinetic Training at velocities of 90° and 150°/second. Gr. C participants received EMG Biofeedback training with Mega ME 6000 device. All the interventions were imparted for 25–30 minutes per session; 2 sessions per week for10 weeks (20 sessions). Mid intervention assessment was done after 5th week followed by the post intervention assessment after 10th week following baseline assessment protocol. After the post intervention assessment, the participants were instructed not to attend the training session for the next 8 weeks and not to get engaged in any sort of physical training, exercise or sport programme. The issue of sustainability was also verified by the post-follow-up assessments of the all of the variables following identical assessment protocols after 14th and 18th week of completion. Repeated measure of ANOVA revealed that, Isokinetic Training was beneficial in enhancing muscle-strength of quadriceps femoris (p<.05).



Knee Osteoarthritis, Physiotherapy, Isokinetic Training, Electromyography Biofeedback, Quadriceps Femoris.


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