6Heyden M, Schultz W. Bilateral stress fracture of the medial femo- ral neck[J]. Sportverletz Sportsehaden, 2002, 16(1 ): 39-41. DOI : 10. 1055/s-2002-25052.
7Johnson AW, Weiss CB, Stento K, et al. Stress fractures of the sacrum. An atypical cause of low back pain in the female athlete [J]. Am J Sports Med, 2001,29(4) : 498-508.
8Callahan LF, Mielenz T, Freburger J, et al. A randomized con- trolled trial of the people with arthritis can exercise program: symp- toms, function, physical activity, and psyehosocial outcomes [ J ]. Arthritis Rheum, 2008, 59 ( 1 ) : 92-101. DOI: 10. 1002/ art. 23239.
9Stathopoulou G, Powers MB, Berry AC, et al. Exercise interventions for mental health: a quantitative and qualitative review [ J ]. Clin Psy Sci Pratt, 2006, 13(2) :179-193.
