Difference in muscle activation patterns during high-speed versus standard-speed yoga: A randomized sequence crossover study.

Author: Potiaumpai M1, Martins MC2, Wong C3, Desai T4, Rodriguez R5, Mooney K6, Signorile JF7
Affiliation:
1Laboratory of Neuromuscular Research and Active Aging, University of Miami, Department of Kinesiology and Sports Sciences, 1507 Levante Avenue, #123, Coral Gables, FL 33146, United States. Electronic address: m.potiaumpai@umiami.edu.
2Laboratory of Neuromuscular Research and Active Aging, University of Miami, Department of Kinesiology and Sports Sciences, 1507 Levante Avenue, #123, Coral Gables, FL 33146, United States. Electronic address: carolmassonim@gmail.com.
3Laboratory of Neuromuscular Research and Active Aging, University of Miami, Department of Kinesiology and Sports Sciences, 1507 Levante Avenue, #123, Coral Gables, FL 33146, United States. Electronic address: c.wong8@umiami.edu.
4Laboratory of Neuromuscular Research and Active Aging, University of Miami, Department of Kinesiology and Sports Sciences, 1507 Levante Avenue, #123, Coral Gables, FL 33146, United States. Electronic address: t.desai@umiami.edu.
5Laboratory of Neuromuscular Research and Active Aging, University of Miami, Department of Kinesiology and Sports Sciences, 1507 Levante Avenue, #123, Coral Gables, FL 33146, United States. Electronic address: Robertr1008@gmail.com.
6Green Monkey Yoga, 1430 S Dixie Highway, #116, Miami, Coral Gables, FL 33146, United States. Electronic address: kiersten@greenmonkey.com.
7Laboratory of Neuromuscular Research and Active Aging, University of Miami, Department of Kinesiology and Sports Sciences, 1507 Levante Avenue, #123, Coral Gables, FL 33146, United States; Miller School of Medicine, Center on Aging, University of Miami, 1695 N.W. 9th Avenue, Suite 3204, Miami, FL 33136, United States. Electronic address: jsignorile@miami.edu.
Conference/Journal: Complement Ther Med.
Date published: 2017 Feb
Other: Volume ID: 30 , Pages: 24-29 , Special Notes: doi: 10.1016/j.ctim.2016.11.002. Epub 2016 Nov 18. , Word Count: 248

OBJECTIVES: To compare the difference in muscle activation between high-speed yoga and standard-speed yoga and to compare muscle activation of the transitions between poses and the held phases of a yoga pose.

DESIGN: Randomized sequence crossover trial SETTING: A laboratory of neuromuscular research and active aging Interventions: Eight minutes of continuous Sun Salutation B was performed, at a high speed versus a standard-speed, separately. Electromyography was used to quantify normalized muscle activation patterns of eight upper and lower body muscles (pectoralis major, medial deltoids, lateral head of the triceps, middle fibers of the trapezius, vastus medialis, medial gastrocnemius, thoracic extensor spinae, and external obliques) during the high-speed and standard-speed yoga protocols.

MAIN OUTCOME MEASURES: Difference in normalized muscle activation between high-speed yoga and standard-speed yoga.

RESULTS: Normalized muscle activity signals were significantly higher in all eight muscles during the transition phases of poses compared to the held phases (p<0.01). There was no significant interaction between speed×phase; however, greater normalized muscle activity was seen for highspeed yoga across the entire session.

CONCLUSIONS: Our results show that transitions from one held phase of a pose to another produces higher normalized muscle activity than the held phases of the poses and that overall activity is greater during highspeed yoga than standard-speed yoga. Therefore, the transition speed and associated number of poses should be considered when targeting specific improvements in performance.

Copyright © 2016 Elsevier Ltd. All rights reserved.

KEYWORDS: Aerobic training; Interval training; Muscle activity; Power yoga

PMID: 28137523 DOI: 10.1016/j.ctim.2016.11.002

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