Journal of Arak University of Medical Sciences

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Showing 2 results for Piriformis Syndrome

The Effect of Core Stability Exercises on Pain and Inflammation of Patients With Piriformis Syndrome

Rashid Doosti Irani, Masoud Golpayegani, Fardin Faraji,
Volume 25, Issue 2 (5-2022)

Abstract

Background and Aim Sciatica is one of the most common diseases of the peripheral nervous system and may be caused by pressure on the sciatic nerve. Due to the fact that piriformis muscle located near the sciatic nerve, piriformis muscle spasm may put pressure on the nerve and cause sciatica and consequently piriformis syndrome. The present study aims to investigate the effect of core stability exercises on pain and inflammation of patients with piriformis syndrome.
Methods & Materials This is a randomized clinical trial. The study population consists of all patients with piriformis syndrome referred to medical centers in Arak, Iran from. Of these, 20 were purposefully selected and randomly divided into two groups of control (n=10) and exercise (n=10). The exercise group performed core stability exercises for 6 weeks, while the control group continued their normal life during this period. To examine the differences between the study groups, t-test, Chi-Square test, and McNemar’s test were used. The significance level was set at 0.05.
Ethical Considerations This study was approved by the Ethics Committee of Arak University of Medical Sciences (Code: IR.ARAKMU.REC.1400.157) and was registered by Iranian Registry of Clinical Trials (ID: IRCT20211003052662N1). Informed consent was obtained from all participants.
Results The Mean pain score in the control group decreased from 95.2 to 90.7 after the exercise, which was not statistically significant (P=0.562). In the exercise group, the mean pain score decreased from 91.7 to 33.4, and this decrease was statistically significant (P=0.0); Therefore, at 95% confidence interval, we can say that core stability exercises had a significant effect on the pain of patients with piriformis syndrome (P<0.05). The number of patients with inflamed nerve in the control group decreased from 10 in the pre-test phase to 8 in the post-test phase, but this decrease was not statistically significant (P=0.5). In the exercise group, it was reduced from 10 to 2, and this decrease was statistically significant (P=0.008); Therefore, we can say that core stability exercises had a significant effect on the inflammation of patients with piriformis syndrome (P<0.05).
Conclusion Core stability exercises can reduce pain and inflammation in patients with piriformis syndrome. These exercises can be used in the treatment of these patients.

The Effect of National Academy of Sports Medicine (NASM) Corrective Movements on Gait Kinetics in Middle Aged Men with Piriformis Syndrome

Mohammadrahim Amiri, Bayan Heydaryan, Fariba Moradivastghani, Sara Imani Brouj,
Volume 27, Issue 2 (5-2024)

Abstract

Introduction: The present study findings aimed to investigate the effect of exercises based on the American National Academy of Sports Medicine principles (NASM) on walking kinetics in piriformis syndrome in middle-aged men.
Methods: The current research was semi-experimental and laboratory-type. The statistical sample of the present study was 30 men with piriformis syndrome. Subjects were equally and randomly placed in two intervention and control groups. The intervention group performed NASM exercises for eight weeks. Before and after the exercises, the ground reaction force variables were measured using a Bartek force plate device with a sampling rate of 1000 Hz. Kinetic data were smoothed using a fourth-order Butterworth filter with a frequency cutoff of 20 Hz. For statistical analysis, analysis of variance and paired T-test were utilized at the significance level of P < 0.05.
Results: The findings of the present study showed that the effect of time on the FxHC and FyHC components at the peak of the forces and the FyHC component at the time of reaching the peak of the ground reaction force increased in the post-test compared to the pre-test. P > 0.025;
d = 0.64 - 0.96. The effect of the time factor in the FyPO component at the peak of the ground reaction force in the post-test was less than the pre-test (P < 0.025; d = 1.64-0.96). The interaction effect of the time × group in the FxPO component at the peak of the force and the FzHC component at the time of reaching the peak of the ground reaction force had a significant difference (P < 0.048; d = 0.87-0.83).
Conclusions: The NASM exercises used in this research can have a clinical and therapeutic effect that can reduce damage to the lower limbs and improve the quality of walking in people with piriformis syndrome.

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