Estimating maximal EMG amplitude for the trapezius muscle: On the optimization of experimental procedure and electrode placement for improved reliability and increased signal amplitude

Journal of Electromyography and Kinesiology

Volumn 6, Issue 1, 1996, Pages 51-58

  Jensen, C ^a   Vasseljen Jr , O ^a   Westgaard, R H ^a  

^a NORWEGIAN UNIVERSITY OF SCIENCE AND TECHNOLOGY   (Norway)

Author keywords

Arm abduction; Electrode position; Repeatability coefficient; Shoulder elevation; Upper trapezius

Indexed keywords

ARTICLE; ELECTRODE; ELECTROMYOGRAPHY; FEMALE; HUMAN; MAJOR CLINICAL STUDY; MALE; MUSCLE ISOMETRIC CONTRACTION; PATIENT POSITIONING; PRIORITY JOURNAL; RELIABILITY; REPRODUCIBILITY; SIGNAL PROCESSING; TRAPEZIUS MUSCLE;

EID: 0029936683     PISSN: 10506411     EISSN: None     Source Type: Journal    
DOI: 10.1016/1050-6411(94)00012-3     Document Type: Article

References (8)

1. Bland JM, Altman DG: Statistical methods for assessing agreement between two methods of clinical measurement. Lancet I: 307-310, 1986.
2. Jensen C, Nilsen K, Hansen K, Westgaard RH: Trapezius muscle load as a risk indicator for occupational shoulder-neck complaints. Int Arch Occup Environ Health 64:415-423, 1993.
3. Jensen C, Vasseljen Jr. O, Westgaard RH: The influence of electrode position on bipolar surface electromyogram recordings of the upper trapezius muscle. Eur J Appl Physiol 67:266-273, 1993.
4. Jensen C, Westgaard RH: Functional subdivision of the upper trapezius muscle during maximal isometric contractions. J Electromyogr Kinesiol 5:227-237, 1995.
5. Johnson G, Bogduk N, Nowitzke A, House D: Anatomy and actions of the trapezius muscle. Clin Biomech 9:44-50, 1984.
6. Vasseljen Jr. O, Westgaard RH: A case-control study of trapezius muscle activity in office and manual workers with shoulder and neck pain and symptom-free controls. Int Arch Occup Environ Health, in press.
7. Westgaard RH: Measurement and evaluation of postural load in occupational work situation. Eur J Appl Physiol 57:291-304, 1988.
8. Zipp P: Recommendations for the standardization of lead positions in surface electromyography. Eur J Appl Physiol 50:41-54, 1982.