Effects of chocolate milk consumption on markers of muscle recovery following soccer training: a randomized cross-over study
<p>Abstract</p> <p>Background</p> <p>The efficacy of chocolate milk (CM) as a recovery beverage following a period of increased training duration (ITD) was studied in intercollegiate soccer players.</p> <p>Methods</p> <p>13 subjects completed one...
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| Main Authors: | , , , , , |
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| Format: | Book |
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Taylor & Francis Group,
2010-05-01T00:00:00Z.
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| Summary: | <p>Abstract</p> <p>Background</p> <p>The efficacy of chocolate milk (CM) as a recovery beverage following a period of increased training duration (ITD) was studied in intercollegiate soccer players.</p> <p>Methods</p> <p>13 subjects completed one week of normal 'baseline' training followed by four days of ITD. After each day of ITD, subjects received either a high-carbohydrate (504 kcal; CHO: 122 g; 2 g Fat) or isocaloric CM (504 kcal; 84 g CHO; 28 g Pro; 7 g Fat) recovery beverage. Serum creatine kinase (CK), myoglobin (Mb), muscle soreness, fatigue ratings and isometric quadriceps force (MVC) were obtained prior to ITD, and following 2- and 4-days of ITD. Performance tests (T-drill, vertical jump) were performed within training sessions. Treatments were administered in a randomly counterbalanced protocol, and subjects repeated the procedures with the alternate beverage following a two-week washout period.</p> <p>Results</p> <p>Mean daily training time and HR increased (p < 0.05) between baseline training and ITD, with no differences between treatments. No treatment*time effects were observed for Mb, muscle soreness, fatigue ratings and MVC. However, serum CK was significantly lower (p < 0.05) following four days of ITD with CM (316.9 ± 188.3 U·L<sup>-1</sup>) compared to CHO (431.6 ± 310.8 U·L<sup>-1</sup>). No treatment differences were observed for the performance tests.</p> <p>Conclusions</p> <p>Post-exercise CM provided similar muscle recovery responses to an isocaloric CHO beverage during four-days of ITD. Future studies should investigate if the attenuated CK levels observed with CM have functional significance during more demanding periods of training.</p> |
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| Item Description: | 10.1186/1550-2783-7-19 1550-2783 |