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The Journal of Sports Medicine and Physical Fitness 2022 Feb 03

DOI: 10.23736/S0022-4707.22.13495-X

Copyright © 2022 EDIZIONI MINERVA MEDICA

lingua: Inglese

Effect of non-contact boxing training on the frequency and timing of anticipatory postural adjustments in healthy adults

Won T. SHIN 1, William P. BERG 1 , Meredith M. STUTZ 1, Michael R. HUGHES 2

1 Department of Kinesiology, Nutrition, and Health, Miami University, Oxford, OH, USA; 2 Department of Statistics, Miami University, Oxford, OH, USA


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BACKGROUND: The experiment tested the effect of non-contact boxing training on the frequency and timing of anticipatory postural adjustments (APAs) resulting from self-induced postural perturbations in healthy adults.
METHODS: The 8-week non-contact boxing intervention study involved 33 healthy adults between 18 and 27 years of age who had no boxing experience (control group = 17 participants, boxing group = 16 participants). Pretests and posttests utilized rapid bilateral arm raising as a focal movement to elicit APAs. EMG in the anterior deltoid, thoracic and lumbar erector spinae, semitendinosus and soleus muscles was recorded. The boxing group completed twenty 90-min non-contact boxing training sessions over 8 weeks, whereas the control group kept physical activity consistent during the intervention period.
RESULTS: Non-contact boxing training caused APAs to become more frequent during the focal movement, in comparison to the control group, in the soleus and also in the semitendinosus after an outlier was removed. Non-contact boxing training caused earlier APA onset during the focal movement, in comparison to the control group, in the lumbar erector spinae after an outlier was removed.
CONCLUSIONS: Non-contact boxing training had a modest positive effect on the frequency and timing of APAs resulting from self-induced postural perturbations in healthy adults.


KEY WORDS: Boxing; Exercise; Muscle

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