Isokinetic measurements – areas of application in physiotherapy

Monika Grygorowicz, Janusz Kubacki, Bogdan Bacik, Krzysztof Gieremek, Anna Polak

Monika Grygorowicz, Janusz Kubacki, Bogdan Bacik, Krzysztof Gieremek, Anna Polak – Isokinetic measurements – areas of application in physiotherapy. Fizjoterapia Polska 2006; 6(3); 238-244

The aim of the paper is to present the concept of isokinetic exercises, which was introduced by Hislop and Perrine in 1967 for the first time. No article was found in Polish literature that in consolidated way would discuss mentioned subject. Hence, in support to numerous foreign scientific reports, authors have decided to present the isokinetic exercise to Polish physiotherapists and medical doctors. Thisle et al define isokinetic exercise as dynamic muscle contraction with controlled and holded speed of movement (iso-steady kinetic-movement) performed with specific devices used to that kind of exercises. isokinetic tests are a very precise diagnostic tool that enable an estimation of degree of soft tissues damage. General use of isokinetic strength measurement in clinical practice is based on its obvious validity and reliability in qualification of state and neuromuscular function. Followers of isokinetic tests confirm that it gives possibilities of precise assessment of muscle properties as well as objectification of results. Results enable very precise diagnostic of tested muscles in different biomechanical conditions of performing movement. Tests allow functional muscle assessment through comparison of contralateral, ipsilateral work, with confrontation with corresponding data or with results in control groups. Moreover, graphical presentation of dependence between recorded parameters in every point of tested range of movement is possible. It favors isokinetics in using it to diagnostic in postinjured states of movement system. The areas of application and rules of performance isokinetic testing were described in this article. The main biomechanical parameters which are used in analysis of muscle dynamic properties were discussed additionally.

Key words:
isokinetic exercises, peak torque, biomechanical indicators, dynamic conditions

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