The use of functional magnetic resonance imaging in the study of delayed muscle soreness
The purposes of this study were (1) to examine the acute T2 response to a bout of concentric exercise performed before and after eccentric exercise had been used to induce a delayed T2 increase and (2) to document the early time course of the delayed T2 development. Eight non-weight trained subjects...
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| Format: | Dissertation |
| Language: | English |
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ProQuest Dissertations & Theses
01-01-1997
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| Online Access: | Get full text |
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| Summary: | The purposes of this study were (1) to examine the acute T2 response to a bout of concentric exercise performed before and after eccentric exercise had been used to induce a delayed T2 increase and (2) to document the early time course of the delayed T2 development. Eight non-weight trained subjects were imaged before and after each exercise session, concentric #1, eccentric, and concentric #2 at 24 h post eccentric. In addition, subjects were imaged at 1, 2, 4, and 8 hours following eccentric exercise. The acute $\Delta$T2 following the first concentric exercise was found not significantly different from the second bout. The delayed T2 increase was observed as early as 4 and 6 h post eccentric exercise. The findings of this study suggest that the underlying mechanism of the acute and delayed T2 increase is the same and that the acute T2 has an upper limit. |
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| ISBN: | 9780591741650 0591741652 |