The main objective of this study is to find whether supplemental vitamin d and calcium can reduce the incidence of stress fractures in recruits. These high-risk recruits undergo intensive training which elevated bone turnover, which requires adequate level of vitamin D and calcium in order to support bone health. It is hypothesized that supplemental vitamin d and calcium will decrease the occurrence of stress fractures.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
SINGLE
Enrollment
240
Vitamin D, calcium are available in tablets. During the 8 weeks of training, subjects were asked to take supplement tablets per day after dinner.
Placebo
Department of Orthopedics, Xijing Hospital, The Air Force Medical University
Xi’an, Shanxi, China
RECRUITINGStress fracture
Stress fractures were recorded when recruits reported to the clinic with suspected symptoms. All stress fractures were confirmed with radiography or Magnetic Resonance Imaging(MRI). Each subject with a stress fracture was recorded.
Time frame: 3 months after the start of the basic military training.
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