Effect of sprint cycle training on activities of antioxidant enzymes in human skeletal muscle

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Fältnamn	Indikatorer	Metadata
000		02504naa a2200253 4500
001		oai:prod.swepub.kib.ki.se:1960404
003		SwePub
008		240811s1996 \| \|\|\|\|\|\|\|\|\|\|\|000 \|\|eng\|
024	7	a http://kipublications.ki.se/Default.aspx?queryparsed=id:19604042 URI
024	7	a https://doi.org/10.1152/jappl.1996.81.4.14842 DOI
040		a (SwePub)ki
041		a engb eng
042		9 SwePub
072	7	a ref2 swepub-contenttype
072	7	a art2 swepub-publicationtype
100	1	a Hellsten, Y4 aut
245	1 0	a Effect of sprint cycle training on activities of antioxidant enzymes in human skeletal muscle
264	1	b American Physiological Society,c 1996
520		a Hellsten, Ylva, Fred S. Apple, and Bertil Sjödin.Effect of sprint cycle training on activities of antioxidant enzymes in human skeletal muscle. J. Appl. Physiol. 81(4): 1484–1487, 1996.—The effect of intermittent sprint cycle training on the level of muscle antioxidant enzyme protection was investigated. Resting muscle biopsies, obtained before and after 6 wk of training and 3, 24, and 72 h after the final session of an additional 1 wk of more frequent training, were analyzed for activities of the antioxidant enzymes glutathione peroxidase (GPX), glutathione reductase (GR), and superoxide dismutase (SOD). Activities of several muscle metabolic enzymes were determined to assess the effectiveness of the training. After the first 6-wk training period, no change in GPX, GR, or SOD was observed, but after the 7th week of training there was an increase in GPX from 120 ± 12 (SE) to 164 ± 24 μmol ⋅ min−1 ⋅ g dry wt−1( P < 0.05) and in GR from 10.8 ± 0.8 to 16.8 ± 2.4 μmol ⋅ min−1 ⋅ g dry wt−1( P < 0.05). There was no significant change in SOD. Sprint cycle training induced a significant ( P < 0.05) elevation in the activity of phosphofructokinase and creatine kinase, implying an enhanced anaerobic capacity in the trained muscle. The present study demonstrates that intermittent sprint cycle training that induces an enhanced capacity for anaerobic energy generation also improves the level of antioxidant protection in the muscle.
700	1	a Apple, FS4 aut
700	1	a Sjodin, B4 aut
773	0	t Journal of applied physiology (Bethesda, Md. : 1985)d : American Physiological Societyg 81:4, s. 1484-1487q 81:4<1484-1487x 8750-7587x 1522-1601
856	4 8	u http://kipublications.ki.se/Default.aspx?queryparsed=id:1960404
856	4 8	u https://doi.org/10.1152/jappl.1996.81.4.1484

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Av författaren/redakt...: Hellsten, Y; Apple, FS; Sjodin, B

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Av lärosätet: Karolinska Institutet

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