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EUROPEAN JOURNAL OF PHYSICAL AND REHABILITATION MEDICINE

A Journal on Physical Medicine and Rehabilitation after Pathological Events


Official Journal of the Italian Society of Physical and Rehabilitation Medicine (SIMFER), European Society of Physical and Rehabilitation Medicine (ESPRM), European Union of Medical Specialists - Physical and Rehabilitation Medicine Section (UEMS-PRM), Mediterranean Forum of Physical and Rehabilitation Medicine (MFPRM), Hellenic Society of Physical and Rehabilitation Medicine (EEFIAP)
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European Journal of Physical and Rehabilitation Medicine 2011 September;47(3):399-405

Copyright © 2011 EDIZIONI MINERVA MEDICA

language: English

Isokinetic evaluation of ankle muscle strength and fatigue in patients with ankylosing spondylitis

Sahin N. 1, Ozcan E. 2, Baskent A. 2, Karan A. 3, Ekmeci O. 4, Kasikcioglu E. 5

1 Physical Medicine and Rehabilitation Department, Meram Faculty of Medicine, Selcuk University, Konya, Turkey 2 Physical Medicine and Rehabilitation Department, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey; 3 Department of Physical Medicine and Rehabilitation, Istanbul University, Istanbul, Turkey; 4 Department of Physical Medicine and Rehabilitation, Mayis Hospital, Mayis, Turkey; 5 Sports Medicine Department, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey


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AIM: The aim of the study was to compare the strength and fatigue of ankle plantarflexor/dorsiflexor muscles using isokinetic dynamometer in patients with ankylosing spondylitis (AS) versus healthy control subjects.
DESIGN: A controlled study
SETTING: Outpatients clinic of our Department of Physical Medicine and Rehabilitation.
POPULATION:Twenty-six AS patients and 26 control subjects participated in this study.
METHODS: In both groups the isokinetic tests are conducted by isokinetic dynamometer.The evaluations were made in plantarflexion/dorsiflexion patterns;peak torque, agonist/antagonist ratio and work fatigue isokinetic parameters were evaluated for the ankle 30 º/s, 60º/s, 120º/s angular velocities. Pain severity, clinical findings, and functional status were also evaluated in the study group.
RESULTS: In the patient group, ankle plantarflexion muscle strength was significantly lower compared to the control group in all angular velocities (P<0.05). Agonist/antagonist ratio was significantly lower in the patient group compared to the control group in all angular velocities (P<0.01). The work fatigue was decreased for bilateral ankle plantarflexors at 120º/s angular velocities (P<0.05). There was no significant difference between the measurements of ankle dorsiflexors (P>0.05). There was no relation between the decreased muscle strength and pain severity, clinical findings, and functional status of AS patients.
CONCLUSION: We found ankle muscles fatigue and decreased ankle plantarflexor muscle strength in patients with AS compared to control subjects.

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