<h3><span style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 14px; letter-spacing: 2px; text-align: justify; white-space: normal;"> </span><span style="max-width: 100%; color: rgb(51, 51, 51); font-size: 14px; letter-spacing: 2px; text-align: justify; white-space: normal; font-family: 宋体, SimSun; overflow-wrap: break-word !important;">亲爱的同学们大家好,现在是抗击新型冠状病毒肺炎疫情的关键时期,我们能做的最大贡献就是保护好自己,减少出门。在积极防疫的同时,我们也要适量运动,增强体质,提高自己的免疫力!</span><br></h3> <h3><span style="color: rgb(51, 51, 51); font-family: 宋体, SimSun; font-size: 14px; letter-spacing: 2px; text-align: justify; white-space: normal;"> 根据小学体育课程标准,分享三个三个水平的体能锻炼方法指导,水平低年级的同学练习,同学们可根据自己的身体需要确定练习时长,建议家长也锻炼起来!</span><br></h3> <section style="max-width: 100%; color: rgb(51, 51, 51); font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; letter-spacing: 0.60928px; text-align: justify; white-space: normal; border-bottom: 5px solid rgb(182, 228, 255); overflow-wrap: break-word !important;"><section style="max-width: 100%; background-color: rgb(121, 204, 253); overflow-wrap: break-word !important;"><section style="max-width: 100%; display: flex; align-items: flex-start; overflow-wrap: break-word !important;"><section style="padding-right: 20px; padding-left: 20px; max-width: 100%; background-color: rgb(254, 254, 254); display: inline-block; overflow-wrap: break-word !important;"><p style="max-width: 100%; clear: both; min-height: 1em; letter-spacing: 2px; overflow-wrap: break-word !important;"><span style="max-width: 100%; font-family: 宋体, SimSun; font-size: 16px; overflow-wrap: break-word !important;"><strong style="max-width: 100%; overflow-wrap: break-word !important;">一.<span style="max-width: 100%; overflow-wrap: break-word !important;">分腿触脚动作要领:</span></strong></span><br style="max-width: 100%; overflow-wrap: break-word !important;"></h3></section><section style="max-width: 100%; border-width: 13px; border-style: solid; border-color: rgb(254, 254, 254) transparent transparent rgb(254, 254, 254); width: 0px; height: 0px; overflow-wrap: break-word !important;"><br style="max-width: 100%; overflow-wrap: break-word !important;"></section></section></section></section><section style="margin: 10px; max-width: 100%; color: rgb(51, 51, 51); font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; letter-spacing: 0.60928px; text-align: justify; white-space: normal; overflow-wrap: break-word !important;"><p style="max-width: 100%; clear: both; min-height: 1em; letter-spacing: 2px; overflow-wrap: break-word !important;"><span style="max-width: 100%; font-family: 宋体; font-size: 16px; overflow-wrap: break-word !important;"> <span style="max-width: 100%; font-family: 宋体, SimSun; font-size: 14px; overflow-wrap: break-word !important;">两脚自然开立与肩同宽,两臂侧平举,背部挺直,弯腰,依次用左手指尖触碰右脚脚尖右手指尖触碰左脚脚尖,速度适中。</span></span></h3></section> <h3>二.后踢腿动作要领:</h3><h3><br></h3><h3><br></h3><h3> 两脚略微分开,两手叉腰,两腿依次屈膝后摆,尽量用脚后跟触碰臀部,速度适中。</h3> <h3>三.对侧提膝动作要领:</h3><h3><br></h3><h3><br></h3><h3> 两脚自然开立与肩同宽,两臂屈臂前举,上臂与地面水平,前臂与地面垂直,屈膝抬腿,依次用右臂肘关节触碰左臂膝关节左臂肘关节触碰右腿膝关节,速度适中。</h3> <h3>四.左右小跳动作要领:</h3><h3><br></h3><h3><br></h3><h3> 两脚并拢,两手叉腰,依次向左向右横跳,速度适中。</h3> <h3>五.上摆臂开合跳动作要领:</h3><h3><br></h3><h3><br></h3><h3>1.身体保持直立,抬头挺胸成立正姿势。</h3><h3><br></h3><h3>2.用力向上跳起同时两脚向两侧张开,两臂伸直沿体侧至头顶上方十指相触,落地略微屈膝缓冲。</h3><h3><br></h3><h3>3.再次跳起同时两腿并拢,两臂伸直沿体侧还原至立正姿势,落地略微屈膝缓冲。</h3><h3><br></h3><h3>4.速度适中。</h3> <h3>六.半蹲动作要领:</h3><h3><br></h3><h3><br></h3><h3> 两脚自然开立比肩稍宽,下蹲时大小腿夹角约为90度,两臂前平举,立起时两臂收于体侧,下蹲与立起依次进行,速度适中。</h3> <h3>七.一分钟跳绳动作要领:</h3><h3><br></h3><h3><br></h3><h3>1.身体直立,两眼目视前方。</h3><h3><br></h3><h3>2.握绳方法:握在手柄中后端。</h3><h3><br></h3><h3>3.跳绳长度:单脚踩跳绳,两端拉到胸口到肚脐的位置。</h3><h3><br></h3><h3>4.腿部技术要点:脚尖和前脚掌起跳落地,起跳高度不能太高以刚能过绳子最好,落地时膝关节微屈缓冲。</h3><h3><br></h3><h3>5.起跳时机:绳接近地面的瞬间双脚跳起。</h3><h3><br></h3><h3>6.初学者跳绳速度不宜过快,慢慢熟练后可逐渐加速,直至自身所能达到的最快速度。</h3><h3><br></h3><h3>7.时间:一分钟。</h3> <h3>八.坐位体前屈动作要领:</h3><h3><br></h3><h3><br></h3><h3> 学生坐在地面或垫子上,两腿伸直,不可弯曲,脚跟并拢脚尖分开约10-15厘米,两手并拢,两臂和手伸直,渐渐使上体前屈,用两手中指指尖尽量向前伸,直到不能继续前伸为止。</h3> <h3>坐位体前屈练习方法:</h3><h3><br></h3><h3>1.站位双脚并拢体前屈练习法:双脚并拢,膝关节伸直,腰部、背部放松,双手自然下垂,加振动做体前屈练习。</h3><h3><br></h3><h3>2.站位利用台阶练习法:学生站在上一级台阶上,成立位体前屈姿势,加振动,用手指指尖或手掌去触摸下一级台阶的台面。</h3><h3><br></h3><h3>3.坐位双脚并拢练习法:双脚并拢,膝关节伸直,脚尖勾回,身体前扑,加振动用双手去抓双脚脚尖或双脚前脚掌。</h3><h3><br></h3><h3>4.注意事项:柔韧性练习时一定要注意做准备活动,尤其是天冷的时候,不要急于求成。练的过快,动作幅度过大容易引起肌肉、韧带拉伤或者扭伤。</h3> <h3><br></h3><h3>1.保证身体状况良好的情况下进行锻炼,不在饥饿或餐后一小时内锻炼。</h3><h3><br></h3><h3>2.要保障足够的安全活动空间,地面干燥不湿滑。</h3><h3><br></h3><h3>3.要穿运动装进行锻炼。</h3><h3><br></h3><h3>4.锻炼前做好充分的准备活动。</h3><h3><br></h3><h3>5.运动量要适宜,量力而行。</h3>