Document Detail

Assessment of ambulatory activity in the Republic of Korea Navy submarine crew.
MedLine Citation:
PMID:  21226392     Owner:  NLM     Status:  MEDLINE    
A submarine crew in the Republic of the Korea Navy experienced significant physical inactivity during undersea deployment because of the narrow and confined space. Physical inactivity is known to be associated with a number of adverse health conditions in the long-term perspective. This study aimed to assess the ambulatory activity of submarine crew using pedometers. Study subjects (n=109) were the submarine crew from two diesel submarines and personnel from the Submarine Command. The subjects wore pedometers at their waistline and recorded their walking steps daily for a month. The submarine crew walked more than 7000 steps/day on average during the stationed period. However, the ambulatory activity of the submarine crew greatly declined to a level of around 2000 steps/day during deployment, which corresponded to the sedentary status category. Active exercise is recommended for the submarine crew to prevent potential adverse health outcomes related to the physical inactivity.
Seong-Woo Choi; Jae-Ho Lee; Young-Keun Jang; Jung-Ryul Kim
Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Undersea & hyperbaric medicine : journal of the Undersea and Hyperbaric Medical Society, Inc     Volume:  37     ISSN:  1066-2936     ISO Abbreviation:  Undersea Hyperb Med     Publication Date:    2010 Nov-Dec
Date Detail:
Created Date:  2011-01-13     Completed Date:  2011-01-24     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9312954     Medline TA:  Undersea Hyperb Med     Country:  United States    
Other Details:
Languages:  eng     Pagination:  413-7     Citation Subset:  IM; S    
Maritime Medical Research Center, Republic of Korea Navy, Jinhae, Republic of Korea.
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MeSH Terms
Middle Aged
Military Personnel / statistics & numerical data
Motor Activity / physiology*
Republic of Korea
Submarine Medicine*
Walking / physiology*,  statistics & numerical data
Young Adult

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