The osteogenic effects of loading were analyzed by comparing the playing and nonplaying humeri of 43 male pre-, peri-, and postpubertal competitive tennis players 10-19 yr of age. Total bone area, medullary area, and cortical area were determined at the mid (40-50%) and distal humerus (...
In tennis, the serve is the most complex yet crucial stroke. This study aimed to measure and explore potential differences in forces exerted on the force platform using the "foot back" technique during three distinct serve types--flat, slice, and topspin--in young tennis...
China's wine company, Yantai Changyu Pioneer Wine, has signed an agreement with Chile's Bethia group to buy three vineyards in the South American country for over 50 million U.S. dollars. Kong Linghui suspended as Chinese women's table tennis coach Former Olympic champion Kong Linghui has bee...
Agassi beat Roddick, but many sportswriters hailed the teen as the next big star of American tennis. During the 2001 season Roddick struggled to fulfill that promise. There were several highlights, including the moment when he eliminated another one of his heroes, Michael Chang (1972–), ...
when an event he staged in Washington drew an estimated half-million men to the National Mall. … Historians described the movement as “one of the fastest-growing religious revivals in American history,”The New York Timesreported afterward on its front page. The group then lost momentum — ...
Participants were 155 male professional tennis players with a mean age of 14.61 (SD= 1.86) engaged in South American Tennis Federation tournaments. Instruments utilized werePsychological Well Being ScaleEBP, Díaz et al., 2006,Sport Coping Approach QuestionnarySpanish version, ACSQ-1 (Kim, Duda, ...
- 《Journal of the American Dietetic Association》 被引量: 362发表: 2000年 A national study of substance use behaviors among NCAA male athletes who use banned performance enhancing substances Reports of illicit substance use by college athletes have become commonplace in recent years, yet ...
Tennis Sport Concept: Portrait of young Exclaiming Male Caucasian Tennis Player With Racket Outdoors on Court.Vertical Image Composition,站酷海洛,一站式正版视觉内容平台,站酷旗下品牌.授权内容包含正版商业图片、艺术插画、矢量、视频、音乐素材、字体等,已先后
Cute male tennis player. Handsome young boy in polo shirt holding tennis racket and smiling while standing on tennis court.,站酷海洛,一站式正版视觉内容平台,站酷旗下品牌.授权内容包含正版商业图片、艺术插画、矢量、视频、音乐素材、字体等,已先后为阿里巴巴、京
29., 79. Similarly, limiting the intervals and intensity of sport participation is recommended by the American Medical Society for Sports Medicine in a 2014 position statement. This position statement also recommends that young athletes should take breaks from individual sports every 2 or 3 months....