Core and Whole Body Vibration Exercise Influences Muscle Sensitivity and Posture during a Military Foot March

Kaitlin D. Lyons, Aaron G. Parks, Oluwagbemiga Dadematthews, Nilophar Zandieh, Paige McHenry, Kenneth E. Games, Michael D. Goodlett, William Murrah, Jaimie Roper and JoEllen M. Sefton
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Kaitlin D. Lyons: School of Kinesiology, Auburn University, Auburn, AL 36849, USA
Aaron G. Parks: School of Kinesiology, Auburn University, Auburn, AL 36849, USA
Oluwagbemiga Dadematthews: School of Kinesiology, Auburn University, Auburn, AL 36849, USA
Nilophar Zandieh: School of Kinesiology, Auburn University, Auburn, AL 36849, USA
Paige McHenry: School of Kinesiology, Auburn University, Auburn, AL 36849, USA
Kenneth E. Games: Department of Applied Medicine and Rehabilitation, Indiana State University, Terre Haute, IN 47809, USA
Michael D. Goodlett: Department of Sports Medicine, Auburn University, Auburn, AL 36849, USA
William Murrah: Educational Foundations, Leadership and Technology, Auburn University, Auburn, AL 36849, USA
Jaimie Roper: School of Kinesiology, Auburn University, Auburn, AL 36849, USA
JoEllen M. Sefton: School of Kinesiology, Auburn University, Auburn, AL 36849, USA

IJERPH, 2021, vol. 18, issue 9, 1-13

Abstract: Military foot marches account for 17–22% of Army musculoskeletal injuries (MSI), with low back pain (LBP) being a common complaint. Core-exercise and whole-body vibration (WBV) have been shown to decrease LBP in patients with chronic low back MSI. This study investigated if WBV and/or core-exercise influenced LBP or posture associated with a military ruck march. A randomized control trial with three groups: (1) WBV and core-exercise (WBVEx); (2) core-exercise alone (Ex); and (3) control evaluated the effects of core-exercise and WBV on LBP during/after a two 8 K foot marches with a 35 lb rucksack. The intervention groups completed three weeks of core-exercise training with/without WBV. Outcome measurements included visual analog scale (VAS), algometer, posture and electromyography (EMG). LBP, pressure threshold, and posture were elevated throughout the foot march regardless of group. LBP remained elevated for 48 h post foot march ( p = 0.044). WBVEx and Ex did not have a significant effect on LBP. WBVEx and Ex both decreased muscle sensitivity and increased trunk flexion ( p < 0.001) during the second foot march (FM2). The 8 K foot marches significantly increased LBP. Core-exercise training with/without WBV decreases low back muscle sensitivity. WBV and core-exercise increases trunk flexion which may help improve performance and may influence LBP.

Keywords: military medicine; EMG; posture; visual analog scale; musculoskeletal injury (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2021
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