Importance of electrode positioning in biotelemetry studies estimating muscle activity in fish
Red and white axial muscle activity of adult Atlantic salmon Salmo salar was examined using conventional electromyography (EMG x ) and activity radio‐transmitters (EMG i ) at 0·5 and 0.7 body lengths (L) along the body of the fish. Critical swimming trials were conducted and maximum sustainable spee...
Published in: | Journal of Fish Biology |
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Language: | English |
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crwiley:10.1111/j.1095-8649.1999.tb02035.x 2024-06-02T08:03:40+00:00 Importance of electrode positioning in biotelemetry studies estimating muscle activity in fish Beddow, T. A. McKinley, R. S. 1999 http://dx.doi.org/10.1111/j.1095-8649.1999.tb02035.x https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fj.1095-8649.1999.tb02035.x https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1095-8649.1999.tb02035.x en eng Wiley http://onlinelibrary.wiley.com/termsAndConditions#vor Journal of Fish Biology volume 54, issue 4, page 819-831 ISSN 0022-1112 1095-8649 journal-article 1999 crwiley https://doi.org/10.1111/j.1095-8649.1999.tb02035.x 2024-05-03T10:56:31Z Red and white axial muscle activity of adult Atlantic salmon Salmo salar was examined using conventional electromyography (EMG x ) and activity radio‐transmitters (EMG i ) at 0·5 and 0.7 body lengths (L) along the body of the fish. Critical swimming trials were conducted and maximum sustainable speeds (U crit ) were unaffected by the presence of electrodes, being 1·51 ± 21 m s −1 (3.33 ± 0.34 L s −1 ) ( n =44). Regardless of longitudinal position of the electrodes within the musculature, both EMG x s and EMG i s indicated increasing red muscle activity with increasing swimming speed, whereas white muscle fibres were recruited only at speeds > 86±5% U crit. Telemetered EMG i signals indicated that muscle activity varied significantly for electrodes implanted at different longitudinal positions along the fish ( P < 0·001). These results suggest that electrode placement is an important influence affecting the signals obtained from radio transmitters that estimate activity and location should be standardized within biotelemetry studies to allow accurate and consistent comparisons of activity between individuals and species. Optimal location for electrode placement was determined to be in the red muscle, towards the tail of the fish (0·7 L ). Article in Journal/Newspaper Atlantic salmon Salmo salar Wiley Online Library Journal of Fish Biology 54 4 819 831 |
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Open Polar |
collection |
Wiley Online Library |
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crwiley |
language |
English |
description |
Red and white axial muscle activity of adult Atlantic salmon Salmo salar was examined using conventional electromyography (EMG x ) and activity radio‐transmitters (EMG i ) at 0·5 and 0.7 body lengths (L) along the body of the fish. Critical swimming trials were conducted and maximum sustainable speeds (U crit ) were unaffected by the presence of electrodes, being 1·51 ± 21 m s −1 (3.33 ± 0.34 L s −1 ) ( n =44). Regardless of longitudinal position of the electrodes within the musculature, both EMG x s and EMG i s indicated increasing red muscle activity with increasing swimming speed, whereas white muscle fibres were recruited only at speeds > 86±5% U crit. Telemetered EMG i signals indicated that muscle activity varied significantly for electrodes implanted at different longitudinal positions along the fish ( P < 0·001). These results suggest that electrode placement is an important influence affecting the signals obtained from radio transmitters that estimate activity and location should be standardized within biotelemetry studies to allow accurate and consistent comparisons of activity between individuals and species. Optimal location for electrode placement was determined to be in the red muscle, towards the tail of the fish (0·7 L ). |
format |
Article in Journal/Newspaper |
author |
Beddow, T. A. McKinley, R. S. |
spellingShingle |
Beddow, T. A. McKinley, R. S. Importance of electrode positioning in biotelemetry studies estimating muscle activity in fish |
author_facet |
Beddow, T. A. McKinley, R. S. |
author_sort |
Beddow, T. A. |
title |
Importance of electrode positioning in biotelemetry studies estimating muscle activity in fish |
title_short |
Importance of electrode positioning in biotelemetry studies estimating muscle activity in fish |
title_full |
Importance of electrode positioning in biotelemetry studies estimating muscle activity in fish |
title_fullStr |
Importance of electrode positioning in biotelemetry studies estimating muscle activity in fish |
title_full_unstemmed |
Importance of electrode positioning in biotelemetry studies estimating muscle activity in fish |
title_sort |
importance of electrode positioning in biotelemetry studies estimating muscle activity in fish |
publisher |
Wiley |
publishDate |
1999 |
url |
http://dx.doi.org/10.1111/j.1095-8649.1999.tb02035.x https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fj.1095-8649.1999.tb02035.x https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1095-8649.1999.tb02035.x |
genre |
Atlantic salmon Salmo salar |
genre_facet |
Atlantic salmon Salmo salar |
op_source |
Journal of Fish Biology volume 54, issue 4, page 819-831 ISSN 0022-1112 1095-8649 |
op_rights |
http://onlinelibrary.wiley.com/termsAndConditions#vor |
op_doi |
https://doi.org/10.1111/j.1095-8649.1999.tb02035.x |
container_title |
Journal of Fish Biology |
container_volume |
54 |
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4 |
container_start_page |
819 |
op_container_end_page |
831 |
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1800748264967897088 |