International Journal of Current Research and Review
ISSN: 2231-2196 (Print)ISSN: 0975-5241 (Online)
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IJCRR - Vol 03 Issue 09, September, 2011

Pages: 122-126

Date of Publication: 30-Nov--0001


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IMMEDIATE EFFECT OF MUSCLE ENERGY TECHNIQUE AND ECCENTRIC TRAINING ON
HAMSTRING TIGHTNESS OF HEALTHY FEMALE VOLUNTEERS - A COMPARATIVE STUDY

Author: Cheraladhan E. Sambandham, Jagatheesan Alagesan, Shilpi Shah

Category: Healthcare

Abstract:Background and Objective: The Hamstring muscles are found to be the most prevalent for the tightness in the body. Tightness of these muscles produces decrease range of motion and reduced flexibility of the pelvis, hip and knee joints. Muscle stiffness of the lower extremities and the consequential decrease in joint flexibility are considered to be major aetiological factors in musculoskeletal injuries. The purpose of this study is to compare the immediate effect of Muscle energy technique and Eccentric training on hamstring tightness of healthy female volunteers. Methods: Sixty healthy female volunteers in the age group of 18 to 22 years with bilateral hamstring tightness without any previous musculo skeletal injuries were randomly divided in to Muscle energy technique group and Eccentric training group with 30 each. A total of 120 hamstrings were treated as pre the intervention plan in both groups. The outcome measure was active knee extension range of motion measured in supine lying with hip flexed to 90 degrees by using universal goniometer. Results: The mean \? SD values in muscle energy technique group before intervention is 128.13\?5.33 and after intervention is 138.07\?5.51 with p< 0.001 and in eccentric training group before intervention is 132.27\?6.73 and after intervention is 137.33\?6.63 with p< 0.001 shows significant improvement in both groups. Intergroup comparison shows no significant difference between groups with p>0.05. Conclusion: There is no difference between the immediate effect of Muscle energy technique and Eccentric training in lengthening the tight hamstring muscles of healthy females.

Keywords: Hamstring Tightness, Muscle energy technique, Eccentric training, Knee Extension

Full Text:

INTRODUCTION

Muscle stiffness of the lower extremities and the consequential decrease in joint flexibility are considered to be major aetiological factors in musculoskeletal injuries.1 The Hamstring muscles are found to be the most prevalent for the tightness in the body. Tightness of these muscles produces decrease range of motion and reduced flexibility of the pelvis, hip and knee joints. Muscle tightness is a limiting factor for optimal physical performance including daily activities and an important intrinsic factor for sports injuries.2 Flexibility is the ability to move a single joint or series of joints smoothly and easily through an unrestricted pain free range of motion. Benefits  of increased flexibility include a decrease in injury rate and an increase in athletic performance. Flexibility exercises are designed to increase tissue elasticity, thereby increasing range of motion of specific joints. There are many successful ways3-8 of treating Hamstring tightness like mechanical, thermal, ice, stretch and spray, ultrasound, soft tissue massage, short wave diathermy, myo fascial release therapy, and muscle energy technique. Muscle energy technique (MET) is a manual technique developed by osteopaths that is now used in many different manual therapy professions. MET is direct active post facilitating technique (also called as postisometric relaxation technique – PIRT) which follow different principles individually.7 Muscle energy is used to lengthen a short or spastic muscle, to strengthen a physiologically weak muscle or group of muscles, to reduce localized oedema and relieve passive congestion and to mobilize an articulation with restricted mobility. Eccentric training refers to muscular action in which muscles lengthen in a controlled manner. It is also called as negative resistance training. The study is aimed to compare the flexibility of the tight hamstring muscle by improving the range of motion of the knee joint using Muscle energy technique and Eccentric training for individuals with hamstring tightness.

METHOD

An experimental study was done to compare the Muscle energy technique (MET) and Eccentric training in Hamstring flexibility of healthy female volunteers. The study was conducted in a physiotherapy college in Vadodara, India and ethical clearance was obtained from Institutional Review Board. Sixty healthy female volunteers after signing informed consent form within the age of 18 - 22 years having hamstring tightness bilaterally were included in the study. Subjects were screened for any previous neuro musculo skeletal injuries or disorders may produce hamstring tightness and not for their physical activity before inclusion. Subjects were randomly divided into 2 groups with closed envelopes method. Group A consist of 30 subjects who received Muscle energy technique9-11 with six repetitions for five seconds bilaterally and group B consist of 30 subjects who received Eccentric training12-14 exercise for 6 times, with no rest between repetitions, thereby providing a total of 30 seconds of stretching at the end range bilaterally. In both groups right side was treated first and then the left side irrespective of individual‘s dominancy, so a total of 120 hamstrings were treated with 60 in each group. Outcome measure used was Active knee extension test done before and after intervention with subject in supine lying with hip in 90 degrees of flexion using universal long arm goniometer.15 The data were analysed by using SPSS 17 for windows for significant improvement and difference between groups. The paired t-test and independent t-test were used.

RESULTS

The table-1 shows age distribution of the subjects participated in the study and Table-2 shows the values of comparison of before and after intervention in Muscle Energy Technique Group by paired t-test. The mean ± SD before intervention is 128.13 ± 5.33 and after intervention is 138.07 ± 5.51 with p value less than 0.001 proves that there is significant improvement in the hamstring muscle flexibility measured by active knee extension after muscle energy technique. Table-3 shows the values of comparison of before and after intervention in Eccentric Training Group by paired t-test. The mean ± SD before intervention is 132.27 ± 6.73 and after intervention is 137.33 ± 6.63 with p value less than 0.001 proves that there is significant improvement in the hamstring muscle flexibility measured by active knee extension after eccentric training. Table-4, shows inter group comparison of Muscle Energy Technique and Eccentric Training groups by independent t-test before and after intervention. The p value of independent ttest at baseline is 0.173 which is more than 0.05 proves homogeneity of groups at baseline. The p value after intervention is more than 0.05 shows that there is no statistically significant difference between both groups in improving hamstrings flexibility.

DISCUSSION

This study compared the immediate effects of Muscle energy technique (MET) and Eccentric training in increasing knee ROM of subjects with bilateral hamstring tightness and the results shows that there is significant improvement in hamstring length followed by both techniques and no significant difference between two techniques. The results of this study are in line with some previous studies. The major limitations of this study are dominant side was not differentiated and physical activity of the subjects were not considered. Long term and follow up effects were not studied. Waseem and Nuhmani, in their study ?comparative study of the impact of muscle energy technique and eccentric training on popliteal angle: hamstring flexibility in Indian collegiate male? indicated more significant hamstring flexibility in MET than ECC but the improvement level decreased in the follow-up measurement.6 ?A comparison of two muscle energy techniques for increasing flexibility of the hamstring muscle group? by Smith and Fryer concluded that both techniques appeared to be equally effective in increasing hamstring extensibility, and there appeared to be sustained improvement 1 week following the initial treatment.16 Ballantyne and Fryer concluded that the Muscle energy technique produced an immediate increase in passive knee extension.9 Nelson and Bandy, in their study? Eccentric Training and Static Stretching Improve Hamstring Flexibility of High School Males? study reveal that one session of eccentrically training through a full range of motion improved hamstring flexibility better than the gains made by a static stretch group or a control group.12 Brockett, C. L., D. L. Morgan, And U. Proske, in Their Study ?Human hamstring muscles adapt to eccentric exercise by changing optimum length? showed that a sustained shift in the optimum angle of human muscle occurred as a protective strategy against injury from eccentric exercise.13

CONCLUSION

This study concludes that Muscle energy technique and Eccentric training are effective in lengthening the tight hamstring muscles of healthy females and there is no difference between the immediate effects of both techniques.

 

References:

1. Halbertsma JP, Van Bolhuis AI, Goeken LN., Sport stretching: Effect on passive muscle stiffness of short Hamstring. Archives of Physical Medicine and Rehabilitation, 1966; 77: 688-692.

2. Carolyn Kisner; Lynn Allen Colby, Therapeutic Exercise: Foundations and Techniques, 5 th edition. Philadelphia, F.A.Davis company. 2007.

3. Leon Chaitoe, Muscle energy technique, 3rd edition, Churchill Livingstone, Elsevier 2006.

4. Arnheim DD and Prentince WE: Principles of athletic Training, 9th edition, Boston, WCb/McGraw-Hill, 1997.

5. Azadeh Shadmehr, Mohmmad Reza Hadian, Hamstring flexibility in young women following passive stretch and muscle energy technique, Journal of Back and Musculoskeletal rehabilitation, 2009; 22(3): 143-148.

6. Mohd. Waseem, Shibili Nuhmani, comparative study of the impact of muscle energy technique and eccentric training on popliteal angle: hamstring flexibility in Indian collegiate male, Calicut Medical Journal, 2010; 14: 13-17.

7. Basmajian, JV, Nyberg, McClure, Part b: Flexibility training. Rational Manual Therapies, Baltimore, Williams and Wilkins, 1993 p-359.

8. Robertson VJ and Baker KG, A review of therapeutic ultrasound: Effectiveness studies, Phys Ther, 2001; 81: 1339-1350.

9. Ballantyne F, Fryer G, Mclaughlin P. The effect of muscle energy technique on hamstring extensibility: the mechanism of altered flexibility. J Osteopathic Medicine. 2003; 6(2): 59-63.

10. McHugh MP, Magnusson SP, Gleim GW, Nicholas JA. Viscoelastic stress relaxation in human skeletal muscle. Medicine and Science in Sports and Exercise. 1992; 24(12): 1375-1382.

11. Greenman P. Principles of Manual Medicine. 2 nd ed. Baltimore: Williams and Wilkins; 1996: 93-98.

12. Nelson, R., and Bandy, W., Eccentric training and static stretching improve hamstring flexibility of high school males. Journal of Athletic Training, 2004; 39(3): 254-258.

13. Brockett CL, Morgan DL, and Proske U., Human hamstring muscles adapt to eccentric exercise by changing optimum length. Med Sci Sports Exerc, 2001; 33: 783–790.

14. Kaminski TW, Webberson CV, and MurphyRM. Concentric versus enhanced eccentric hamstring strength training: Clinical implications. J Athl Train, 1998; 33: 216–221.

15. Oajdosis KR and Lusin, Hamstring muscle tightness reliability of an active knee extension test Physical therapy. 1983; 63: 1086-1090.

16. Smith Madeleine, Fryer Gary, A comparison of two Muscle energy techniques for increasing flexibility of the hamstring muscle group, Journal of Body work and Movement Therapies, 2008; 12 (4): 312-317.

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Best Article Award

A Study by Juna Byun et al. entitled "Study on Difference in Coronavirus-19 Related Anxiety between Face-to-face and Non-face-to-face Classes among University Students in South Korea" is awarded Best Article for Vol 12 issue 16
A Study by Sudha Ramachandra & Vinay Chavan entitled "Enhanced-Hybrid-Age Layered Population Structure (E-Hybrid-ALPS): A Genetic Algorithm with Adaptive Crossover for Molecular Docking Studies of Drug Discovery Process" is awarded Best article for Vol 12 issue 15
A Study by Varsha M. Shindhe et al. entitled "A Study on Effect of Smokeless Tobacco on Pulmonary Function Tests in Class IV Workers of USM-KLE (Universiti Sains Malaysia-Karnataka Lingayat Education Society) International Medical Programme, Belagavi" is awarded Best article of Vol 12 issue 14, July 2020
A study by Amruta Choudhary et al. entitled "Family Planning Knowledge, Attitude and Practice Among Women of Reproductive Age from Rural Area of Central India" is awarded Best Article for special issue "Modern Therapeutics Applications"
A study by Raunak Das entitled "Study of Cardiovascular Dysfunctions in Interstitial Lung Diseas epatients by Correlating the Levels of Serum NT PRO BNP and Microalbuminuria (Biomarkers of Cardiovascular Dysfunction) with Echocardiographic, Bronchoscopic and HighResolution Computed Tomography Findings of These ILD Patients" is awarded Best Article of Vol 12 issue 13 
A Study by Kannamani Ramasamy et al. entitled "COVID-19 Situation at Chennai City – Forecasting for the Better Pandemic Management" is awarded best article for  Vol 12 issue 12
A Study by Muhammet Lutfi SELCUK and Fatma COLAKOGLU entitled "Distinction of Gray and White Matter for Some Histological Staining Methods in New Zealand Rabbit's Brain" is awarded best article for  Vol 12 issue 11
A Study by Anamul Haq et al. entitled "Etiology of Abnormal Uterine Bleeding in Adolescents – Emphasis Upon Polycystic Ovarian Syndrome" is awarded best article for  Vol 12 issue 10
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A Study by K. Krupashree et. al. entitled "Protective Effects of Picrorhizakurroa Against Fumonisin B1 Induced Hepatotoxicity in Mice" is awarded best article for issue Vol 10 issue 20
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A study by Karanpreet et al "Pregnancy Induced Hypertension: A Study on Its Multisystem Involvement" is given Best Paper Award for Vol 10 issue 09
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A Study by Neha Garg et al. entitled "Optimization of the Response to nCOVID-19 Pandemic in Pregnant Women – An Urgent Appeal in Indian Scenario" published in Vol 12 issue 09

A Study by Sana Parveen and Shraddha Jain entitled "Pathophysiologic Enigma of COVID-19 Pandemic with Clinical Correlates" published in Vol 12 issue 13

A Study by Rashmi Jain et al. entitled "Current Consensus Review Article on Drugs and Biologics against nCOVID-19 – A Systematic Review" published in Vol 12 issue 09

Emerging Researcher Award

A Study by Madhan Jeyaraman et al. entitled "Vitamin-D: An Immune Shield Against nCOVID-19" published in Vol 12 issue 09


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