[The investigation of exercise-induced fatigue on pesticide spraying operation].
Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi
; 32(11): 839-40, 2014 Nov.
Article
en Zh
| MEDLINE
| ID: mdl-25579031
ABSTRACT
OBJECTIVE:
To evaluate the exercise-induced fatigue in operators during pesticide spraying based on surface electromyography (sEMC) signals and heart rate.METHODS:
The sEMG signals were recorded from the right trapezius, biceps brachii, extensor digitorum, and flexor digitorum of 19 operators by portable electromyography units during pesticide spraying using 3WS-16 manual sprayers. Meanwhile, the heart rate of operators was measured by the ambulatory blood pressure monitoring system. The changes in median frequency and heart rate were analyzed.RESULTS:
Pesticide spraying was defined as low-intensity labor. The median frequency of the right trapezius, biceps brachii, extensor digitorum, and flexor digitorum decreased significantly as pesticide spraying went on (P < 0.05). The body remained in a state of slight fatigue from 8 min after pesticide spraying began to the end of the operation.CONCLUSION:
The degree of exercise-induced fatigue of operators can be evaluated based on sEMG signals and heart rate during pesticide spraying.
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Banco de datos:
MEDLINE
Asunto principal:
Plaguicidas
/
Exposición Profesional
/
Fatiga Muscular
/
Electromiografía
/
Esfuerzo Físico
Límite:
Humans
Idioma:
Zh
Año:
2014
Tipo del documento:
Article