Physical conditioning: Effect on the myoglobin concentration in skeletal and cardiac muscle of bar-headed geese

1. 1. A 12 week program of treadmill exercise (0.7 m/sec, 30 min per day, five days per week), significantly increased the myoglobin concentration of the femorotibialis medius muscle in bar-headed geese as compared to nonexercised controls. 2. 2. The myoglobin concentration differed among various mu...

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Published inComparative biochemistry and physiology. A, Comparative physiology Vol. 100; no. 2; pp. 349 - 352
Main Authors Saunders, D.K., Fedde, M.R.
Format Journal Article
LanguageEnglish
Published New York, NY Elsevier B.V 1991
Elsevier
Subjects
Anser indicus
Biological and medical sciences
condition factor
exercise
Freshwater
Fundamental and applied biological sciences. Psychology
muscles
myoglobin
oxygen consumption
Striated muscle. Tendons
Vertebrates: osteoarticular system, musculoskeletal system
Heart
Myoglobin
Vertebrata
Circulatory system
Aves
Striated muscle
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Summary:1. 1. A 12 week program of treadmill exercise (0.7 m/sec, 30 min per day, five days per week), significantly increased the myoglobin concentration of the femorotibialis medius muscle in bar-headed geese as compared to nonexercised controls. 2. 2. The myoglobin concentration differed among various muscles within a bird. The highest myoglobin concentrations were found in the primary flight muscle, the pectoralis major, and in cardiac muscle. 3. 3. By physically conditioning their muscles, bar-headed geese may improve the oxygen flow to mitochondria and, thereby, enhance their ability to exercise under conditions of low oxygen partial pressures.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
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ISSN:0300-9629
DOI:10.1016/0300-9629(91)90481-Q