期刊
JOURNAL OF SPINAL CORD MEDICINE
卷 41, 期 4, 页码 471-478出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/10790268.2017.1372058
关键词
Spinal cord injury; Resistance training; Creatine; Vitamin deficiency; Supplements
Purpose: Determine whether creatine or vitamin D supplementation improves muscle strength in individuals with spinal cord injury undergoing resistance training. Methods: Thirteen male and one female with spinal cord injury, from two Portuguese rehabilitation centers, were randomized to creatine (3g daily), vitamin D (25000 IU each two weeks) or placebo group in a double-blind design. All participants performed progressive resistance training during eight weeks. The outcome measures, obtained at baseline and after intervention, included: Sum of four skinfolds; Corrected arm muscle area; Seated medicine ball throw; Handgrip strength with dynamometer; Manual wheelchair slalom test and one repetition maximum for Chest press, Triceps, Pec deck and Lat pulldown. Vitamin D levels were obtained in all participants before and after intervention. Results: 71.4% of participants had deficit values of vitamin D. The corrected arm muscle area improved significantly (p <0.05) in creatine group relatively to the control group. There was a significant correlation (p <0.05) between the one repetition maximum Pec deck and levels of vitamin D. Conclusions: Supplementation with creatine may improve muscle strength parameters in individuals with spinal cord injury. Vitamin D deficiency is highly prevalent in this population. It is recommended an initial screening of vitamin D levels at the beginning of the physical rehabilitation process.
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