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.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2022.6
- 수록면
- 221 - 236 (16page)
- DOI
- 10.5143/JESK.2022.41.3.221
이용수
초록· 키워드
오류제보하기
Objective: The present study is intended to analyze the design characteristics of ultrasonic probes in different sizes and shapes and identify the preferred design characteristics by ergonomic evaluation.
Background: The use of an ultrasound probe among sonographers in improper postures with high repetitions for long periods of time has resulted in a high incidence of musculoskeletal symptoms and/or disorders.
Method: While sonographers (n = 12) simulated ultrasound scanning tasks with two linear array probes (small-flat, SF; large-curved, LC) in different sizes and shapes by applying forces of 20±4N, EMG activities, body motions, and grip postures were measured. After completing the ultrasound simulation tasks, a comparative evaluation of subjective satisfaction with the two probe designs was conducted.
Results: The SF probe required a larger range of motion at the elbow (up to 9.9° on average), higher RMS EMG levels (-1.8~48.4%) during the probe rotation task at the shoulder (pectoralis and infraspinatus), neck (right/left sterno-cleido-mastoid and trapezius), and upper-arm (biceps), and larger finger joint angles (-6.3~15.8°) than the LC probe.
Conclusion: The SF probe was preferred to the LC probe in terms of grip fit, the opposite was found in terms of the efficiency of force transfer.
Application: The analysis and evaluation methods of ultrasound probe design and the identification of the preferred design characteristics of linear array probe will be of use to develop ergonomic probe designs that can reduce musculoskeletal symptoms and disorders among sonographers.
Background: The use of an ultrasound probe among sonographers in improper postures with high repetitions for long periods of time has resulted in a high incidence of musculoskeletal symptoms and/or disorders.
Method: While sonographers (n = 12) simulated ultrasound scanning tasks with two linear array probes (small-flat, SF; large-curved, LC) in different sizes and shapes by applying forces of 20±4N, EMG activities, body motions, and grip postures were measured. After completing the ultrasound simulation tasks, a comparative evaluation of subjective satisfaction with the two probe designs was conducted.
Results: The SF probe required a larger range of motion at the elbow (up to 9.9° on average), higher RMS EMG levels (-1.8~48.4%) during the probe rotation task at the shoulder (pectoralis and infraspinatus), neck (right/left sterno-cleido-mastoid and trapezius), and upper-arm (biceps), and larger finger joint angles (-6.3~15.8°) than the LC probe.
Conclusion: The SF probe was preferred to the LC probe in terms of grip fit, the opposite was found in terms of the efficiency of force transfer.
Application: The analysis and evaluation methods of ultrasound probe design and the identification of the preferred design characteristics of linear array probe will be of use to develop ergonomic probe designs that can reduce musculoskeletal symptoms and disorders among sonographers.
목차
1. Introduction
2. Method
3. Results
4. Discussion
References
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