인체 하지부 근골격계 모델 및 의자에서 일어서는 동작 시 근력 예측A Musculoskeletal Model of a Human Lower Extremity and Estimation of Muscle Forces while Rising from a Seated Position
- Other Titles
- A Musculoskeletal Model of a Human Lower Extremity and Estimation of Muscle Forces while Rising from a Seated Position
- Authors
- 조영남; 유홍희
- Issue Date
- Jun-2012
- Publisher
- 한국소음진동공학회
- Keywords
- Biomechanics(생체역학); Musculoskeletal System(근골격계); Lower Extremity(하지부); Muscle Force(근력)
- Citation
- 한국소음진동공학회논문집, v.22, no.6, pp.502 - 508
- Indexed
- KCI
- Journal Title
- 한국소음진동공학회논문집
- Volume
- 22
- Number
- 6
- Start Page
- 502
- End Page
- 508
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/165316
- DOI
- 10.5050/KSNVE.2012.22.6.502
- ISSN
- 1598-2785
- Abstract
- An analytical model for a human body is important to predict muscle and joint forces. Because it is difficult to estimate muscle or joint forces from a human body, the objective of this study is the development of a reliable analytical model for a human body to evaluate the lower extremity muscle and joint forces. The musculoskeletal system of the human lower extremity is modeled as a multibody system employing the Hill-type muscle model. Muscle forces are determined to minimize energy consumption, and we assume that motion is constrained in the sagittal plane. Muscle forces are calculated through an equilibrium analysis while rising from a seated position. The musculoskeletal model consists of four segments. Each segment is a rigid body and connected by frictionless revolute joints. Muscles of the lower extremity are simplified to seven muscles with those that are not related to the sagittal plane motion are ignored. Muscles that play a similar role are combined together. The results of the present study are compared with experimental results to validate the lower extremity model and the assumptions of the present study.
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