Attention should be paid to preventing knee injury in tai chi exercise. Author: Chen HL, Liu K, You QS. Affiliation: Nantong University, Nantong, Jiangsu, China. Conference/Journal: Inj Prev. Date published: 2011 Aug Other: Volume ID: 17 , Issue ID: 4 , Pages: 286-7 , Word Count: 1 PMID: 21788230