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Original Research 
RMJ. 2019; 44(2): 350-352


Effectiveness of eccentric and concentric muscle energy techniques on hamstring length in healthy population

Aiman Niaz Shahzad, Syed Shakil-ur-rehman, Nazish Rafique.


Abstract
Objective: To determine the effects of eccentric and concentric muscle energy techniques (MET) on hamstring length in healthy population.
Methodology: This randomized control trial was conducted at the Physio Rehabilitation Center, Multan, from November 1, 2017 to January 31, 2018 and screened 105 asymptomatic healthy individuals. Sixty were randomly divided into 2 groups by lottery method. Concentric muscle energy treatment technique was applied in group A and eccentric muscle energy technique in group B with 3 sessions/week for 4 weeks. Oswestry Disability Questionnaire (ODI) and Goniometry for hamstring length were used as outcome measures at baseline and at 4th week.
Results: Out of 60 patients, 60% were females and 40% males with the mean age of 27.3±4.19 years. The group A had improvement in right SLR (pre – 60.50 ± 31.22, post – 90 ± 31.22), left SLR (pre – 61.50 ± 30.02, post – 90 ± 30.98) and ODI (pre – 8 ± 34.67, post – 4 ± 34.67), as compared with group B with right SLR (pre – 61 ± 29.78, post – 90 ± 29.78), left SLR (65 ± 30.98, post – 88.5 ± 30.08) and ODI (pre – 13 ± 26.33, post – 3 ± 26.33).
Conclusion: Both techniques were effective in improving muscle length and flexibility with no significant difference.

Key words: Asymptomatic, concentric, eccentric, extensibility of hamstring muscle, muscle energy technique.


 
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How to Cite this Article
Pubmed Style

Shahzad AN, Shakil-ur-rehman S, Rafique N. Effectiveness of eccentric and concentric muscle energy techniques on hamstring length in healthy population. RMJ. 2019; 44(2): 350-352.

Web Style

Shahzad AN, Shakil-ur-rehman S, Rafique N. Effectiveness of eccentric and concentric muscle energy techniques on hamstring length in healthy population. https://www.rmj.org.pk/?mno=2633 [Access: June 22, 2026].

AMA (American Medical Association) Style

Shahzad AN, Shakil-ur-rehman S, Rafique N. Effectiveness of eccentric and concentric muscle energy techniques on hamstring length in healthy population. RMJ. 2019; 44(2): 350-352.


Vancouver/ICMJE Style

Shahzad AN, Shakil-ur-rehman S, Rafique N. Effectiveness of eccentric and concentric muscle energy techniques on hamstring length in healthy population. RMJ. (2019), [cited June 22, 2026]; 44(2): 350-352.


Harvard Style

Shahzad, A. N., Shakil-ur-rehman, . S. & Rafique, . N. (2019) Effectiveness of eccentric and concentric muscle energy techniques on hamstring length in healthy population. RMJ, 44 (2), 350-352.


Turabian Style

Shahzad, Aiman Niaz, Syed Shakil-ur-rehman, and Nazish Rafique. 2019. Effectiveness of eccentric and concentric muscle energy techniques on hamstring length in healthy population. Rawal Medical Journal, 44 (2), 350-352.


Chicago Style

Shahzad, Aiman Niaz, Syed Shakil-ur-rehman, and Nazish Rafique. "Effectiveness of eccentric and concentric muscle energy techniques on hamstring length in healthy population." Rawal Medical Journal 44 (2019), 350-352.


MLA (The Modern Language Association) Style

Shahzad, Aiman Niaz, Syed Shakil-ur-rehman, and Nazish Rafique. "Effectiveness of eccentric and concentric muscle energy techniques on hamstring length in healthy population." Rawal Medical Journal 44.2 (2019), 350-352. Print.


APA (American Psychological Association) Style

Shahzad, A. N., Shakil-ur-rehman, . S. & Rafique, . N. (2019) Effectiveness of eccentric and concentric muscle energy techniques on hamstring length in healthy population. Rawal Medical Journal, 44 (2), 350-352.


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