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Article

Effect of Branched-Chain Amino Acid Supplementation on Recovery Following Acute Eccentric Exercise

by
Trisha A. VanDusseldorp
1,*,
Kurt A. Escobar
2,
Kelly E. Johnson
3,
Matthew T. Stratton
1,
Terence Moriarty
4,
Nathan Cole
4,
James J. McCormick
4,
Chad M. Kerksick
5,
Roger A. Vaughan
6,
Karol Dokladny
7,
Len Kravitz
4 and
Christine M. Mermier
4
1
Department of Exercise Science and Sport Management, Kennesaw State University, Kennesaw, GA 30144, USA
2
Department of Kinesiology, California State University Long Beach, Long Beach, CA 90840, USA
3
Department of Kinesiology, Coastal Carolina University, Conway, SC 29528, USA
4
Department of Health, Exercise and Sports Science, University of New Mexico, Albuquerque, NM 87131, USA
5
School of Health Sciences, Lindenwood University, St. Charles, MO 63301, USA
6
Department of Exercise Science, Congdon School of Health Sciences, High Point University, High Point, NC 27268, USA
7
Department of Internal Medicine, School of Medicine, University of New Mexico, Albuquerque, NM 87131, USA
*
Author to whom correspondence should be addressed.
Nutrients 2018, 10(10), 1389; https://doi.org/10.3390/nu10101389
Submission received: 17 August 2018 / Revised: 19 September 2018 / Accepted: 26 September 2018 / Published: 1 October 2018
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Abstract

This study investigated the effect of branched-chain amino acid (BCAA) supplementation on recovery from eccentric exercise. Twenty males ingested either a BCAA supplement or placebo (PLCB) prior to and following eccentric exercise. Creatine kinase (CK), vertical jump (VJ), maximal voluntary isometric contraction (MVIC), jump squat (JS) and perceived soreness were assessed. No significant (p > 0.05) group by time interaction effects were observed for CK, soreness, MVIC, VJ, or JS. CK concentrations were elevated above baseline (p < 0.001) in both groups at 4, 24, 48 and 72 hr, while CK was lower (p = 0.02) in the BCAA group at 48 hr compared to PLCB. Soreness increased significantly from baseline (p < 0.01) in both groups at all time-points; however, BCAA supplemented individuals reported less soreness (p < 0.01) at the 48 and 72 hr time-points. MVIC force output returned to baseline levels (p > 0.05) at 24, 48 and 72 hr for BCAA individuals. No significant difference between groups (p > 0.05) was detected for VJ or JS. BCAA supplementation may mitigate muscle soreness following muscle-damaging exercise. However, when consumed with a diet consisting of ~1.2 g/kg/day protein, the attenuation of muscular performance decrements or corresponding plasma CK levels are likely negligible.
Keywords: BCAA; muscle damage; recovery; supplement; eccentric exercise; sports nutrition BCAA; muscle damage; recovery; supplement; eccentric exercise; sports nutrition

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MDPI and ACS Style

VanDusseldorp, T.A.; Escobar, K.A.; Johnson, K.E.; Stratton, M.T.; Moriarty, T.; Cole, N.; McCormick, J.J.; Kerksick, C.M.; Vaughan, R.A.; Dokladny, K.; et al. Effect of Branched-Chain Amino Acid Supplementation on Recovery Following Acute Eccentric Exercise. Nutrients 2018, 10, 1389. https://doi.org/10.3390/nu10101389

AMA Style

VanDusseldorp TA, Escobar KA, Johnson KE, Stratton MT, Moriarty T, Cole N, McCormick JJ, Kerksick CM, Vaughan RA, Dokladny K, et al. Effect of Branched-Chain Amino Acid Supplementation on Recovery Following Acute Eccentric Exercise. Nutrients. 2018; 10(10):1389. https://doi.org/10.3390/nu10101389

Chicago/Turabian Style

VanDusseldorp, Trisha A., Kurt A. Escobar, Kelly E. Johnson, Matthew T. Stratton, Terence Moriarty, Nathan Cole, James J. McCormick, Chad M. Kerksick, Roger A. Vaughan, Karol Dokladny, and et al. 2018. "Effect of Branched-Chain Amino Acid Supplementation on Recovery Following Acute Eccentric Exercise" Nutrients 10, no. 10: 1389. https://doi.org/10.3390/nu10101389

APA Style

VanDusseldorp, T. A., Escobar, K. A., Johnson, K. E., Stratton, M. T., Moriarty, T., Cole, N., McCormick, J. J., Kerksick, C. M., Vaughan, R. A., Dokladny, K., Kravitz, L., & Mermier, C. M. (2018). Effect of Branched-Chain Amino Acid Supplementation on Recovery Following Acute Eccentric Exercise. Nutrients, 10(10), 1389. https://doi.org/10.3390/nu10101389

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