天气预报 > 其他 > 如何游好自由泳
如何游好自由泳
更新时间: 2020-09-24 00:00:00  

自由泳时的技巧有:

手的入水点在肩的延长线和身体中线之间,以大拇指领先,斜插入水;入水后,手、肘、肩继续前伸,使手臂伸展;随着身体的转动,屈腕、屈肘,手臂向外、后方抓水;手下划到最低点后,旋转手臂向内、上、后方划水,保持高肘屈臂的划水姿势;手臂与水平面垂直时,经手领先,加速推水,手臂转为向外、向 上和身后划水直到大腿侧,提肘出水;出水后,手臂自然、放松地经空中向前移臂,保持高肘姿势;手臂在水下成曲线划水路线,从侧面看,手相对于身体的划水轨迹为“S”形。

关键词: 如何 自由泳

如何游好自由泳相关经验

天气预报

最新推荐

页面:/news/view-345877/ | 耗时:0.8735 s | 内存:2.11 MB | 查询:4 | 缓存读取:3 写入:0 | 加载文件:25
select * from tbl_Articles WHERE ArticleID=345877 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=345877 LIMIT 0,1
select * from tbl_Articles_sphinx where id=345877 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(2034903,2702215,156310,1117968,807605,315002,1899891,1073276,1097829,2813108,2713011,2858151,1066925,1886066,2064634,554474,667183,1064645,1119546,2397790,2192441,274968,1760736,2777061,2779626,2668986,1505868,1131989,2428662,2751081) ORDER BY field (ArticleID,2034903,2702215,156310,1117968,807605,315002,1899891,1073276,1097829,2813108,2713011,2858151,1066925,1886066,2064634,554474,667183,1064645,1119546,2397790,2192441,274968,1760736,2777061,2779626,2668986,1505868,1131989,2428662,2751081)