Change in measures of moral function following acute bouts of Marine Corps Martial Arts Training.

The Marine Corps Martial Arts Program (MCMAP) was developed to prepare Marines for complex battlefield situations that include hand-to-hand combat and ethical decision making. The objective of this study was to quantify changes in ethical decision-making following MCMAP training. Fifty-five, active duty, newly enlisted U.S. Marines (Males: n = 37; age = 19 ± 1 years; height = 176 ± 7 cm; mass = 74 ± 7 kg; Females: n = 18; age = 20 ± 2 years; height = 164 ± 6 cm; mass = 61 ± 6 kg) volunteered for this investigation and were assessed three times over 6 weeks, with 3 weeks between each visit, using serial blood samples for cortisol, norepinephrine, and epinephrine collected before training and during recovery [Immediate Post (IP), 15, 30, 45 and 60 min]. The Moral Functioning Continuum was used to quantify moral function before training, IP, 30, and 60 min post. Moral intention exhibited an acute response to training with significantly impaired decision making immediately post training. Moreover, both moral intention and moral judgement worsened over the visits suggesting a chronic impairment related to time in training suggesting a functional change in ethical decision-making following acute bouts of MCMAP. © 2021 John Wiley & Sons Ltd.

Citation

Jacob A Siedlik, Jake A Deckert, Aaron W Clopton, Trent J Herda, Joseph P Weir, Philip M Gallagher, John Phillip Vardiman. Change in measures of moral function following acute bouts of Marine Corps Martial Arts Training. Stress and health : journal of the International Society for the Investigation of Stress. 2022 Aug;38(3):534-543

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PMID: 34792855

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