Timing Influence of Carbohydrate-Protein Ingestion on Muscle Soreness and Next-Day Running Performance

Document Type

Peer-Reviewed Article

Publication Date

2013

Program

Exercise Science

Abstract

The present study investigates timing effects of a carbohydrate-protein (CHO-PROT) beverage on indicators of muscle damage and next day running performance. Nine trained subjects completed three trials of a 30 min downhill run, followed by a 1.5 mile treadmill running time trial 24 hours later in a blinded, crossover design. Either a CHO-PROT or non-caloric placebo beverage was given 30 min and 5 min prior to, at the 15 min mark during, immediately after, and 30 min after the downhill running protocol. In the first treatment (T1), a total of 360 kilocalories was given 30 min and 5 min prior to downhill running, as well as at the 15 min mark, with placebos used at other time points. In the second treatment (T2), an isocaloric amount was given but only immediately after and 30 min after downhill running, with placebos used at other time points. In the placebo treatment (PL), a placebo was given at all time points. There were no significant differences in the 1.5 mile time trial or soreness between trials (p > 0.05). Regardless of timing, the ingestion of a CHO-PROT beverage had no effect on next day running performance or muscular soreness versus a placebo.

Comments

Beau Kjerulf Greer, Anna Elizabeth Price, and Brett T. Jones. "Timing influence of carbohydrate-protein ingestion on muscle soreness and next-day running performance." Journal of Dietary Supplements (In Press) (2013).

Publication

Journal of Dietary Supplements

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