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Paper Information

Journal:   JOURNAL OF RAFSANJAN UNIVERSITY OF MEDICAL SCIENCES AND HEALTH SERVICES   Winter 2004 , Volume 3 , Number 1; Page(s) 34 To 43.
 
Paper: 

THE EFFECTS OF PULSED AND CONTINUOUS ULTRASOUND ON THE PARA-SPINAL REGIONS ON PARAMETERS OF H. REFLEX OF TRICEPS SURAE

 
 
Author(s):  BAGHERI H.*, ALIAEI GHOLAM REZA, TALEBIAN S., HADIAN MOHAMMAD REZA, HORMOZIAN R.
 
* Faculty of Rehabilitation, Tehran University of Medical Sciences, Tehran, Iran
 
Abstract: 

Background: The thermal and non-thermal effects of ultrasound has been used in physiotherapy of low back pain for a long time. The purpose of this study was to investigate the thermal and non-thermal effects of applying therapeutic ultrasound on the spinal mixed nerves (S1 – S2) of para-vertebral regions on the Parameters of H reflex of triceps surae muscles.
Materials and methods: Fourteen healthy women between 20 to 30 years old were participated in 3 sessions of this experiment:
Each subject voluntarily shared in 3 sessions of:
1. Continues ultrasound (intensity: 1.5 w/cm2, for 5 minutes)
2. Pulsed ultrasound (intensity: 1 w/cm2, for 5 minutes)
3. Placebo ultrasound for 5 minutes)
At each session 5 maximal, H reflexes and 3-M waves were recorded before (T0), immediately after (T1) and 5 minutes after (T5) applying the ultrasound.
Results: Statistical measurements showed no significant differences in latency and amplitude of H reflex and H/M ratio at T0, T1 and T5 recordings between the three ultrasound groups.
Conclusion: This study showed that the thermal and non-thermal properties of ultrasound have no effect on motoneurone pool excitability and conduction through the spinal roots.

 
Keyword(s): ULTRASOUND, H REFLEX, M WAVE
 
References: 
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