The Journal of Korean Academy of Orthopedic Manual Physical Therapy (대한정형도수물리치료학회지)

Korean Academy of Orthopedic Manual Physical Therapy (대한정형도수물리치료학회)
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The Effect of Muscle Energy Technique and Instrument Assisted Soft Tissue Mobilization in Adults with Shortened Hamstring on the Range of Motion, Muscle Strength and Muscle Thickness

넙다리뒤근이 단축된 성인에게 시행된 근에너지기법과 도구를 이용한 연부조직가동술이 관절가동범위, 근력, 근 두께에 미치는 영향

  • Lee, Jun-yong (Dept. of Physical Therapy, Seoul Metropolitan bukbu Hospital) ;
  • Sim, Hyun-po (Dept. of Physical Therapy, Gangnam Severence Hospital) ;
  • Choi, Yul-jung (Dept. of Physical Therapy, Roi Hospital)
  • 이준용 (서울특별시 북부병원, 물리치료실) ;
  • 심현보 (강남세브란스병원, 물리치료실) ;
  • 최율정 (로이병원, 물리치료실)
  • Received : 2021.01.20
  • Accepted : 2021.02.19
  • Published : 2021.04.30
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Abstract

Background: This study aimed to investigate the effects of muscle energy technique (MET) and instrument assisted soft tissue mobilization (IASTM) on knee extension ROM, knee extensor/flexor strength and muscle thickness immediately and after 24 hours. Methods: A total of 30 subjects participated in this study. The participants were assigned to either MET (n=15) or IASTM (n=15). 90-90 straight leg raise, knee extensor/flexor muscle strength, muscle thickness test were measured before, immediately after and 24 hours after the intervention. Results: Both groups significantly improved knee extension ROM on immediate (MET 10.7°, IASTM 10.21° increased) and after 24 hours assessment (MET 5.61°, IASTM 5.47° increased)(p<.05). In the MET group, knee extension and flexion muscle strength increased immediately after intervention (p<.05). In the IASTM group, knee extension muscle strength increased and knee flexor muscle strength decreased immediately after intervention (p<.05). Furthermore, both groups showed a pattern of returning to the initial strength after 24 hours. In both groups, no significant difference in muscle thickness immediately and after 24 hours was observed (p>.05). Conclusion: According to the results of the present study, MET and IASTM technique showed lasting effectiveness in flexibility of shortened hamstring immediately after and in 24 hours after the intervention. In both groups, MET increased muscle strength and increased ROM, while IASTM decreased muscle strength and increased ROM, with no change in muscle thickness.

Keywords

References

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