6Anemaet SK, Moffa-Trotter ME. Functional tools for assessment balance and gait impairments[J]. Top Geriatra Rehabil,1999,15:66-83.
7Wolf SL, Barnhart HX, Kutner NG, et al. Reducing frality and falls in older persons:An investigation of Tai Chi and computerized balance training[J]. J. Am. Geriatr. Soc, 1996,44 : 489-497.
8Hain TC, Fuller L, Weil, et al. effects of T'ai Chi on balance[J]. Arch Otolaryngol Head Surg, 1999,126 : 1191-1195.
9Mak MK, Ng PL. Mediolateral sway in single-leg stance is the best discriminator of balance performance for Tai-Chi practitioners[J]. Arch Phys Med Rehabil,2003,84:683-686.
10Wu G. Evaluation of the effectiveness of Tai Chi for improving balance and preventing falls in the older popualtion-areview[J]. J Am Geriatr Soc,2002,50 : 746-754.