지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
오류제보하기
Purpose : The parameters used in architectural analysis are muscle thickness, fascicle length, pennation angle, etc. Pennation angle is an important muscle characteristic that plays a significant role in determining a fascicle’s force contribution to movement. Ultrasonography has been widely used to obtain the image for measurement of a pennation angle since it is non-invasive and real-time. However, manual assessment in ultrasonographic images is time-consuming and subjective, making it difficult for using in muscle function analysis. Thus, in this study, I proposed an automatic method to extract the pennation angle from the ultrasonographic images of gastrocnemius muscle.
Method : The ultrasonographic image obtained from 10 healthy participants’s gastrocnemius muscle using for developed automatic measuring program. Automatic measuring program algorithm consists with preprocessing, line detection, line classification, and angle calculation. The resulting image was then used to detect the fascicles and aponeuroses for calculating the pennation angle with the consideration of their distribution in ultrasonographic image.
Result : The proposed automatic measurement program showed the stable repeatability of pennation angle calculation.
Conclusion : This study demonstrated that the proposed method was able to automatically measure the pennation angle of gastrocnemius, which made it possible to easily and reliably investigate pennation angle more.
목차
등록된 정보가 없습니다.
참고문헌 (35)
참고문헌 신청
Aggeloussis N / 2010 / Reproducibility of fascicle length and pennation angle of gastrocnemius medialis in human gait in vivo / Gait Posture 31(1):73~77
Bénard MR / 2009 / Anatomical information is needed in ultrasound imaging of muscle to avoid potentially substantial errors in measurement of muscle geometry / Muscle Nerve 39(5):652~665
Binzoni T / 2001 / Human gastrocnemius medialis pennation angle as a function of age : from newborn to the elderly / J Physiol Anthropol Appl Human Sci 20(5):293~298
Blazevich AJ / 2006 / Effects of physical training and detraining, immobilisation, growth and aging on human fascicle geometry / Sports Med 36(12):1003~1017
Blazevich AJ / 2007 / Influence of concentric and eccentric resistance training on architectural adaptation in human quadriceps muscles / J Appl Physiol 103(5):1565~1575
Bénard MR / 2009 / Anatomical information is needed in ultrasound imaging of muscle to avoid potentially substantial errors in measurement of muscle geometry / Muscle Nerve 39(5):652~665
Binzoni T / 2001 / Human gastrocnemius medialis pennation angle as a function of age : from newborn to the elderly / J Physiol Anthropol Appl Human Sci 20(5):293~298
Blazevich AJ / 2006 / Effects of physical training and detraining, immobilisation, growth and aging on human fascicle geometry / Sports Med 36(12):1003~1017
Blazevich AJ / 2007 / Influence of concentric and eccentric resistance training on architectural adaptation in human quadriceps muscles / J Appl Physiol 103(5):1565~1575
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