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Physical and psychological stressors linked with stress fractures in recruit training
Author(s) -
Moran D. S.,
Evans R.,
Arbel Y.,
Luria O.,
Hadid A.,
Yanovich R.,
Milgrom C.,
Finestone A. S.
Publication year - 2013
Publication title -
scandinavian journal of medicine and science in sports
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.575
H-Index - 115
eISSN - 1600-0838
pISSN - 0905-7188
DOI - 10.1111/j.1600-0838.2011.01420.x
Subject(s) - stressor , medicine , physical therapy , anthropometry , stress fractures , infantry , psychological stress , stress (linguistics) , psychology , clinical psychology , linguistics , philosophy , political science , law
This study aimed to measure ambulation in infantry army basic training, and to evaluate if covering more distance can explain stress fractures in a stressor–stress model. Forty‐four male combat recruits (18.7 ± 0.7 years) participated in a 6‐month rigorous high intensity combat training program. Baseline data included anthropometric measurements, VO 2 max , and psychological questionnaires. Actual distance covered was measured using a pedometer over an 11‐week training period. Psychological questionnaires were repeated after 2 months. Sixteen recruits were diagnosed with stress fractures by imaging ( SFi = 36.4%). Statistical analysis included comparing measured variables between SFi and those without stress fractures ( NSF ). The recruits covered 796 ± 157 km, twofold the distance planned of 378 km ( P < 0.001). The SFi group covered a distance 16.4% greater than that of the NSF group (866 ± 136 and 744 ± 161 km, respectively, P < 0.01), and also demonstrated greater psychological stress. These data reveal the importance of adherence to or enforcement of military training programs. In the light of these data, the I sraeli D efense F orces program needs reappraisal. A stressor–stress response might explain the susceptibility of certain recruits for injury. Using advanced technology, monitoring ambulation may prevent stress fracture development by limiting subjects exceeding a certain level. Psychological profile may also play a role in predicting stress fracture development.