体育与健康（第一，二，四单元结束）

zhongshujie

2024-07-29 ddd2b5b556f685276edcebca302a3dc28177155c

体育与健康（第一，二，四单元结束）

 src/books/sportsAndHealth/view/components/chapter002.vue

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                    身体成分
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                    心肺耐力
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                    速度
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                    柔韧性
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                    爆发力
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                    肌肉耐力
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                    心肺耐力
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            <p>注：体重指数（BMI）=体重（kg）/身高<sup>2</sup> （m<sup>2</sup>）；评分标准请参考《国家学生体质健康标准（2014 年修订）》。</p>
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          <h4 id="d038">二、一般体能训练计划的制订</h4>
          <p>在学习每个要素的具体训练方法之前，首先应了解一般体能训练计划的制订方法， 具体步骤如下。</p>
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          <h4 id="d040">学习效果检测</h4>
          <p>请登录课程平台，完成一般体能的效果检测，评价自己的学习效果。</p>
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              · 视频库集 ·
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            <p class="public-tips">项目五 · 视频库集</p>
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                  class="video-border w100"
                  :src="chapter002.videoUrl.v20"
                ></video>
                <video webkit-playsinline="true" x-webkit-airplay="true" playsinline="true" x5-video-orientation="h5"
                  x5-video-player-fullscreen="true" x5-playsinline="" controls class="video-border w100"
                  :src="chapter002.videoUrl.v20"></video>
                <span>{{ chapter002.videoMd5.v20.name }}</span>
              </div>
              <div class="videoItem" v-if="chapter002.videoShow5">
                <video
                  webkit-playsinline="true"
                  x-webkit-airplay="true"
                  playsinline="true"
                  x5-video-orientation="h5"
                  x5-video-player-fullscreen="true"
                  x5-playsinline=""
                  controls
                  class="video-border w100"
                  :src="chapter002.videoUrl.v21"
                ></video>
                <span>{{ chapter002.videoMd5.v21.name }}</span>
              </div>
              <div class="videoItem" v-if="chapter002.videoShow5">
                <video
                  webkit-playsinline="true"
                  x-webkit-airplay="true"
                  playsinline="true"
                  x5-video-orientation="h5"
                  x5-video-player-fullscreen="true"
                  x5-playsinline=""
                  controls
                  class="video-border w100"
                  :src="chapter002.videoUrl.v22"
                ></video>
                <span>{{ chapter002.videoMd5.v22.name }}</span>
              </div>
              <div class="videoItem" v-if="chapter002.videoShow5">
                <video
                  webkit-playsinline="true"
                  x-webkit-airplay="true"
                  playsinline="true"
                  x5-video-orientation="h5"
                  x5-video-player-fullscreen="true"
                  x5-playsinline=""
                  controls
                  class="video-border w100"
                  :src="chapter002.videoUrl.v23"
                ></video>
                <span>{{ chapter002.videoMd5.v23.name }}</span>
              </div>
              <div class="videoItem" v-if="chapter002.videoShow5">
                <video
                  webkit-playsinline="true"
                  x-webkit-airplay="true"
                  playsinline="true"
                  x5-video-orientation="h5"
                  x5-video-player-fullscreen="true"
                  x5-playsinline=""
                  controls
                  class="video-border w100"
                  :src="chapter002.videoUrl.v24"
                ></video>
                <span>{{ chapter002.videoMd5.v24.name }}</span>
              </div>
              <div class="videoItem" v-if="chapter002.videoShow5">
                <video
                  webkit-playsinline="true"
                  x-webkit-airplay="true"
                  playsinline="true"
                  x5-video-orientation="h5"
                  x5-video-player-fullscreen="true"
                  x5-playsinline=""
                  controls
                  class="video-border w100"
                  :src="chapter002.videoUrl.v25"
                ></video>
                <span>{{ chapter002.videoMd5.v25.name }}</span>
              </div>
              <div class="videoItem" v-if="chapter002.videoShow5">
                <video
                  webkit-playsinline="true"
                  x-webkit-airplay="true"
                  playsinline="true"
                  x5-video-orientation="h5"
                  x5-video-player-fullscreen="true"
                  x5-playsinline=""
                  controls
                  class="video-border w100"
                  :src="chapter002.videoUrl.v26"
                ></video>
                <span>{{ chapter002.videoMd5.v26.name }}</span>
              </div>
              <div class="videoItem" v-if="chapter002.videoShow5">
                <video
                  webkit-playsinline="true"
                  x-webkit-airplay="true"
                  playsinline="true"
                  x5-video-orientation="h5"
                  x5-video-player-fullscreen="true"
                  x5-playsinline=""
                  controls
                  class="video-border w100"
                  :src="chapter002.videoUrl.v27"
                ></video>
                <span>{{ chapter002.videoMd5.v27.name }}</span>
              </div>
              <div class="videoItem" v-if="chapter002.videoShow5">
                <video
                  webkit-playsinline="true"
                  x-webkit-airplay="true"
                  playsinline="true"
                  x5-video-orientation="h5"
                  x5-video-player-fullscreen="true"
                  x5-playsinline=""
                  controls
                  class="video-border w100"
                  :src="chapter002.videoUrl.v28"
                ></video>
                <span>{{ chapter002.videoMd5.v28.name }}</span>
              </div>
              <div class="videoItem" v-if="chapter002.videoShow5">
                <video
                  webkit-playsinline="true"
                  x-webkit-airplay="true"
                  playsinline="true"
                  x5-video-orientation="h5"
                  x5-video-player-fullscreen="true"
                  x5-playsinline=""
                  controls
                  class="video-border w100"
                  :src="chapter002.videoUrl.v29"
                ></video>
                <span>{{ chapter002.videoMd5.v29.name }}</span>
              </div>
              <div class="videoItem" v-if="chapter002.videoShow5">
                <video
                  webkit-playsinline="true"
                  x-webkit-airplay="true"
                  playsinline="true"
                  x5-video-orientation="h5"
                  x5-video-player-fullscreen="true"
                  x5-playsinline=""
                  controls
                  class="video-border w100"
                  :src="chapter002.videoUrl.v30"
                ></video>
                <span>{{ chapter002.videoMd5.v30.name }}</span>
              </div>
              <div class="videoItem" v-if="chapter002.videoShow5">
                <video
                  webkit-playsinline="true"
                  x-webkit-airplay="true"
                  playsinline="true"
                  x5-video-orientation="h5"
                  x5-video-player-fullscreen="true"
                  x5-playsinline=""
                  controls
                  class="video-border w100"
                  :src="chapter002.videoUrl.v31"
                ></video>
                <span>{{ chapter002.videoMd5.v31.name }}</span>
              </div>
              <div class="videoItem" v-if="chapter002.videoShow5">
                <video
                  webkit-playsinline="true"
                  x-webkit-airplay="true"
                  playsinline="true"
                  x5-video-orientation="h5"
                  x5-video-player-fullscreen="true"
                  x5-playsinline=""
                  controls
                  class="video-border w100"
                  :src="chapter002.videoUrl.v32"
                ></video>
                <span>{{ chapter002.videoMd5.v32.name }}</span>
              </div>
              <div class="videoItem" v-if="chapter002.videoShow5">
                <video
                  webkit-playsinline="true"
                  x-webkit-airplay="true"
                  playsinline="true"
                  x5-video-orientation="h5"
                  x5-video-player-fullscreen="true"
                  x5-playsinline=""
                  controls
                  class="video-border w100"
                  :src="chapter002.videoUrl.v33"
                ></video>
                <span>{{ chapter002.videoMd5.v33.name }}</span>
              </div>
              <div class="videoItem" v-if="chapter002.videoShow5">
                <video
                  webkit-playsinline="true"
                  x-webkit-airplay="true"
                  playsinline="true"
                  x5-video-orientation="h5"
                  x5-video-player-fullscreen="true"
                  x5-playsinline=""
                  controls
                  class="video-border w100"
                  :src="chapter002.videoUrl.v34"
                ></video>
                <span>{{ chapter002.videoMd5.v34.name }}</span>
              </div>
              <div class="videoItem" v-if="chapter002.videoShow5">
                <video
                  webkit-playsinline="true"
                  x-webkit-airplay="true"
                  playsinline="true"
                  x5-video-orientation="h5"
                  x5-video-player-fullscreen="true"
                  x5-playsinline=""
                  controls
                  class="video-border w100"
                  :src="chapter002.videoUrl.v35"
                ></video>
                <span>{{ chapter002.videoMd5.v35.name }}</span>
              </div>

              <div class="videoItem" v-if="chapter002.videoShow5">
                <video
                  webkit-playsinline="true"
                  x-webkit-airplay="true"
                  playsinline="true"
                  x5-video-orientation="h5"
                  x5-video-player-fullscreen="true"
                  x5-playsinline=""
                  controls
                  class="video-border w100"
                  :src="chapter002.videoUrl.v36"
                ></video>
                <video webkit-playsinline="true" x-webkit-airplay="true" playsinline="true" x5-video-orientation="h5"
                  x5-video-player-fullscreen="true" x5-playsinline="" controls class="video-border w100"
                  :src="chapter002.videoUrl.v21"></video>
                <span>{{ chapter002.videoMd5.v21.name }}</span>
              </div>
              <div class="videoItem" v-if="chapter002.videoShow5">
                <video webkit-playsinline="true" x-webkit-airplay="true" playsinline="true" x5-video-orientation="h5"
                  x5-video-player-fullscreen="true" x5-playsinline="" controls class="video-border w100"
                  :src="chapter002.videoUrl.v22"></video>
                <span>{{ chapter002.videoMd5.v22.name }}</span>
              </div>
              <div class="videoItem" v-if="chapter002.videoShow5">
                <video webkit-playsinline="true" x-webkit-airplay="true" playsinline="true" x5-video-orientation="h5"
                  x5-video-player-fullscreen="true" x5-playsinline="" controls class="video-border w100"
                  :src="chapter002.videoUrl.v23"></video>
                <span>{{ chapter002.videoMd5.v23.name }}</span>
              </div>
              <div class="videoItem" v-if="chapter002.videoShow5">
                <video webkit-playsinline="true" x-webkit-airplay="true" playsinline="true" x5-video-orientation="h5"
                  x5-video-player-fullscreen="true" x5-playsinline="" controls class="video-border w100"
                  :src="chapter002.videoUrl.v24"></video>
                <span>{{ chapter002.videoMd5.v24.name }}</span>
              </div>
              <div class="videoItem" v-if="chapter002.videoShow5">
                <video webkit-playsinline="true" x-webkit-airplay="true" playsinline="true" x5-video-orientation="h5"
                  x5-video-player-fullscreen="true" x5-playsinline="" controls class="video-border w100"
                  :src="chapter002.videoUrl.v25"></video>
                <span>{{ chapter002.videoMd5.v25.name }}</span>
              </div>

              <div class="videoItem" v-if="chapter002.videoShow6">
                <video webkit-playsinline="true" x-webkit-airplay="true" playsinline="true" x5-video-orientation="h5"
                  x5-video-player-fullscreen="true" x5-playsinline="" controls class="video-border w100"
                  :src="chapter002.videoUrl.v26"></video>
                <span>{{ chapter002.videoMd5.v26.name }}</span>
              </div>
              <div class="videoItem" v-if="chapter002.videoShow6">
                <video webkit-playsinline="true" x-webkit-airplay="true" playsinline="true" x5-video-orientation="h5"
                  x5-video-player-fullscreen="true" x5-playsinline="" controls class="video-border w100"
                  :src="chapter002.videoUrl.v27"></video>
                <span>{{ chapter002.videoMd5.v27.name }}</span>
              </div>
              <div class="videoItem" v-if="chapter002.videoShow6">
                <video webkit-playsinline="true" x-webkit-airplay="true" playsinline="true" x5-video-orientation="h5"
                  x5-video-player-fullscreen="true" x5-playsinline="" controls class="video-border w100"
                  :src="chapter002.videoUrl.v28"></video>
                <span>{{ chapter002.videoMd5.v28.name }}</span>
              </div>
              <div class="videoItem" v-if="chapter002.videoShow6">
                <video webkit-playsinline="true" x-webkit-airplay="true" playsinline="true" x5-video-orientation="h5"
                  x5-video-player-fullscreen="true" x5-playsinline="" controls class="video-border w100"
                  :src="chapter002.videoUrl.v29"></video>
                <span>{{ chapter002.videoMd5.v29.name }}</span>
              </div>
              <div class="videoItem" v-if="chapter002.videoShow6">
                <video webkit-playsinline="true" x-webkit-airplay="true" playsinline="true" x5-video-orientation="h5"
                  x5-video-player-fullscreen="true" x5-playsinline="" controls class="video-border w100"
                  :src="chapter002.videoUrl.v30"></video>
                <span>{{ chapter002.videoMd5.v30.name }}</span>
              </div>

              <div class="videoItem" v-if="chapter002.videoShow7">
                <video webkit-playsinline="true" x-webkit-airplay="true" playsinline="true" x5-video-orientation="h5"
                  x5-video-player-fullscreen="true" x5-playsinline="" controls class="video-border w100"
                  :src="chapter002.videoUrl.v31"></video>
                <span>{{ chapter002.videoMd5.v31.name }}</span>
              </div>
              <div class="videoItem" v-if="chapter002.videoShow7">
                <video webkit-playsinline="true" x-webkit-airplay="true" playsinline="true" x5-video-orientation="h5"
                  x5-video-player-fullscreen="true" x5-playsinline="" controls class="video-border w100"
                  :src="chapter002.videoUrl.v32"></video>
                <span>{{ chapter002.videoMd5.v32.name }}</span>
              </div>
              <div class="videoItem" v-if="chapter002.videoShow7">
                <video webkit-playsinline="true" x-webkit-airplay="true" playsinline="true" x5-video-orientation="h5"
                  x5-video-player-fullscreen="true" x5-playsinline="" controls class="video-border w100"
                  :src="chapter002.videoUrl.v33"></video>
                <span>{{ chapter002.videoMd5.v33.name }}</span>
              </div>
              <div class="videoItem" v-if="chapter002.videoShow7">
                <video webkit-playsinline="true" x-webkit-airplay="true" playsinline="true" x5-video-orientation="h5"
                  x5-video-player-fullscreen="true" x5-playsinline="" controls class="video-border w100"
                  :src="chapter002.videoUrl.v34"></video>
                <span>{{ chapter002.videoMd5.v34.name }}</span>
              </div>
              <div class="videoItem" v-if="chapter002.videoShow7">
                <video webkit-playsinline="true" x-webkit-airplay="true" playsinline="true" x5-video-orientation="h5"
                  x5-video-player-fullscreen="true" x5-playsinline="" controls class="video-border w100"
                  :src="chapter002.videoUrl.v35"></video>
                <span>{{ chapter002.videoMd5.v35.name }}</span>
              </div>

              <div class="videoItem" v-if="chapter002.videoShow8">
                <video webkit-playsinline="true" x-webkit-airplay="true" playsinline="true" x5-video-orientation="h5"
                  x5-video-player-fullscreen="true" x5-playsinline="" controls class="video-border w100"
                  :src="chapter002.videoUrl.v36"></video>
                <span>{{ chapter002.videoMd5.v36.name }}</span>
              </div>
              <div class="videoItem" v-if="chapter002.videoShow5">
                <video
                  webkit-playsinline="true"
                  x-webkit-airplay="true"
                  playsinline="true"
                  x5-video-orientation="h5"
                  x5-video-player-fullscreen="true"
                  x5-playsinline=""
                  controls
                  class="video-border w100"
                  :src="chapter002.videoUrl.v37"
                ></video>
              <div class="videoItem" v-if="chapter002.videoShow8">
                <video webkit-playsinline="true" x-webkit-airplay="true" playsinline="true" x5-video-orientation="h5"
                  x5-video-player-fullscreen="true" x5-playsinline="" controls class="video-border w100"
                  :src="chapter002.videoUrl.v37"></video>
                <span>{{ chapter002.videoMd5.v37.name }}</span>
              </div>
              <div class="videoItem" v-if="chapter002.videoShow5">
                <video
                  webkit-playsinline="true"
                  x-webkit-airplay="true"
                  playsinline="true"
                  x5-video-orientation="h5"
                  x5-video-player-fullscreen="true"
                  x5-playsinline=""
                  controls
                  class="video-border w100"
                  :src="chapter002.videoUrl.v38"
                ></video>
              <div class="videoItem" v-if="chapter002.videoShow8">
                <video webkit-playsinline="true" x-webkit-airplay="true" playsinline="true" x5-video-orientation="h5"
                  x5-video-player-fullscreen="true" x5-playsinline="" controls class="video-border w100"
                  :src="chapter002.videoUrl.v38"></video>
                <span>{{ chapter002.videoMd5.v38.name }}</span>
              </div>
              <div class="videoItem" v-if="chapter002.videoShow5">
                <video
                  webkit-playsinline="true"
                  x-webkit-airplay="true"
                  playsinline="true"
                  x5-video-orientation="h5"
                  x5-video-player-fullscreen="true"
                  x5-playsinline=""
                  controls
                  class="video-border w100"
                  :src="chapter002.videoUrl.v39"
                ></video>
              <div class="videoItem" v-if="chapter002.videoShow8">
                <video webkit-playsinline="true" x-webkit-airplay="true" playsinline="true" x5-video-orientation="h5"
                  x5-video-player-fullscreen="true" x5-playsinline="" controls class="video-border w100"
                  :src="chapter002.videoUrl.v39"></video>
                <span>{{ chapter002.videoMd5.v39.name }}</span>
              </div>
              <div class="videoItem" v-if="chapter002.videoShow5">
                <video
                  webkit-playsinline="true"
                  x-webkit-airplay="true"
                  playsinline="true"
                  x5-video-orientation="h5"
                  x5-video-player-fullscreen="true"
                  x5-playsinline=""
                  controls
                  class="video-border w100"
                  :src="chapter002.videoUrl.v40"
                ></video>
              <div class="videoItem" v-if="chapter002.videoShow8">
                <video webkit-playsinline="true" x-webkit-airplay="true" playsinline="true" x5-video-orientation="h5"
                  x5-video-player-fullscreen="true" x5-playsinline="" controls class="video-border w100"
                  :src="chapter002.videoUrl.v40"></video>
                <span>{{ chapter002.videoMd5.v40.name }}</span>
              </div>

              <div class="videoItem" v-if="chapter002.videoShow9">
                <video webkit-playsinline="true" x-webkit-airplay="true" playsinline="true" x5-video-orientation="h5"
                  x5-video-player-fullscreen="true" x5-playsinline="" controls class="video-border w100"
                  :src="chapter002.videoUrl.v41"></video>
                <span>{{ chapter002.videoMd5.v41.name }}</span>
              </div>
              <div class="videoItem" v-if="chapter002.videoShow9">
                <video webkit-playsinline="true" x-webkit-airplay="true" playsinline="true" x5-video-orientation="h5"
                  x5-video-player-fullscreen="true" x5-playsinline="" controls class="video-border w100"
                  :src="chapter002.videoUrl.v42"></video>
                <span>{{ chapter002.videoMd5.v42.name }}</span>
              </div>
              <div class="videoItem" v-if="chapter002.videoShow9">
                <video webkit-playsinline="true" x-webkit-airplay="true" playsinline="true" x5-video-orientation="h5"
                  x5-video-player-fullscreen="true" x5-playsinline="" controls class="video-border w100"
                  :src="chapter002.videoUrl.v43"></video>
                <span>{{ chapter002.videoMd5.v43.name }}</span>
              </div>
              <div class="videoItem" v-if="chapter002.videoShow9">
                <video webkit-playsinline="true" x-webkit-airplay="true" playsinline="true" x5-video-orientation="h5"
                  x5-video-player-fullscreen="true" x5-playsinline="" controls class="video-border w100"
                  :src="chapter002.videoUrl.v44"></video>
                <span>{{ chapter002.videoMd5.v44.name }}</span>
              </div>
              <div class="videoItem" v-if="chapter002.videoShow9">
                <video webkit-playsinline="true" x-webkit-airplay="true" playsinline="true" x5-video-orientation="h5"
                  x5-video-player-fullscreen="true" x5-playsinline="" controls class="video-border w100"
                  :src="chapter002.videoUrl.v45"></video>
                <span>{{ chapter002.videoMd5.v45.name }}</span>
              </div>

              <div class="videoItem" v-if="chapter002.videoShow10">
                <video webkit-playsinline="true" x-webkit-airplay="true" playsinline="true" x5-video-orientation="h5"
                  x5-video-player-fullscreen="true" x5-playsinline="" controls class="video-border w100"
                  :src="chapter002.videoUrl.v46"></video>
                <span>{{ chapter002.videoMd5.v46.name }}</span>
              </div>
              <div class="videoItem" v-if="chapter002.videoShow10">
                <video webkit-playsinline="true" x-webkit-airplay="true" playsinline="true" x5-video-orientation="h5"
                  x5-video-player-fullscreen="true" x5-playsinline="" controls class="video-border w100"
                  :src="chapter002.videoUrl.v47"></video>
                <span>{{ chapter002.videoMd5.v47.name }}</span>
              </div>
              <div class="videoItem" v-if="chapter002.videoShow10">
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@@ -2153,14 +1913,19 @@
        <div class="bodystyle">
          <div class="bk1-wbj">
            <p class="center"><b>久坐型职业会对人体造成哪些危害？</b></p>
            <p class="block"><span class="span-S">◆</span>颈部：坐姿工作时，头部一般呈前俯或后仰的姿势。此时颈部会受到较大的压力，并增加颈部患病的概率。正确姿势应为颈部前倾 0°～10°。</p>
            <p class="block"><span class="span-S">◆</span>颈部：坐姿工作时，头部一般呈前俯或后仰的姿势。此时颈部会受到较大的压力，并增加颈部患病的概率。正确姿势应为颈部前倾
              0°～10°。</p>
            <p class="block"><span class="span-S">◆</span>胸部：长期低头含胸，使得胸廓得不到充分的舒展扩张。一方面导致肺通气功能下降；另一方面使胸廓变形，造成驼背。</p>
            <p class="block">
              <span class="span-S">◆</span>腰背部：坐姿工作时，人体背部一般呈弓起向前微倾的状态，背部肌群长期紧张性收缩，并且椎间盘受力不均，尤其是腰椎部位。长此以往，会导致背部小肌群的损伤，引起酸、麻、胀、痛。严重者会导致椎间盘突出。</p>
            <p class="block">
              <span class="span-S">◆</span>心血管系统：长时间坐姿工作，由于身体处于屈曲位，会使下肢静脉血回流至心脏受阻，导致足背浮肿。同时还会使直肠、肛管静脉回流受阻，引起静脉扩张而发生痔疮。此外，长期久坐会使心脏工作量减少，导致心脏机能下降，血液循环减慢，脑部供血不足。轻者容易出现头晕、眼花、嗜睡，重者会增加心肌梗死、高血压、冠心病等心血管疾病的患病风险。
              <span
                class="span-S">◆</span>腰背部：坐姿工作时，人体背部一般呈弓起向前微倾的状态，背部肌群长期紧张性收缩，并且椎间盘受力不均，尤其是腰椎部位。长此以往，会导致背部小肌群的损伤，引起酸、麻、胀、痛。严重者会导致椎间盘突出。
            </p>
            <p class="block"><span class="span-S">◆</span>肺通气功能：长时间坐位伏案使胸廓得不到充分扩张，会导致肺通气功能下降，影响呼吸机能，最终使氧气供应不足，影响工作效率。</p>
            <p class="block">
              <span
                class="span-S">◆</span>心血管系统：长时间坐姿工作，由于身体处于屈曲位，会使下肢静脉血回流至心脏受阻，导致足背浮肿。同时还会使直肠、肛管静脉回流受阻，引起静脉扩张而发生痔疮。此外，长期久坐会使心脏工作量减少，导致心脏机能下降，血液循环减慢，脑部供血不足。轻者容易出现头晕、眼花、嗜睡，重者会增加心肌梗死、高血压、冠心病等心血管疾病的患病风险。
            </p>
            <p class="block"><span class="span-S">◆</span>肺通气功能：长时间坐位伏案使胸廓得不到充分扩张，会导致肺通气功能下降，影响呼吸机能，最终使氧气供应不足，影响工作效率。
            </p>
          </div>
          <p>
            根据久坐型职业的工作特点及其对人体的危害特点，针对该类型职业的体能训练应从增强肌肉力量、提高心肺耐力等方面进行。例如，利用对肩颈部、腰背部以及腕部的肌群进行力量训练，来提高局部肌群的肌肉力量；利用健身走、健身跑等提高心肺耐力。利用上述练习，最终可以达到改善血液循环、延缓疲劳、预防损伤、提高工作效率的目的。
@@ -2215,13 +1980,20 @@
          <div class="bk1-wbj">
            <p class="center"><b class="img-2">久站型职业会对人体造成哪些危害？</b></p>
            <p class="block">
              <span class="span-S">◆</span>腰腹部：自然站立时，躯干部位的重量经过腰椎向下传导，需要腰部肌肉力量予以支撑，以保持腰椎的正常生理前凸。如果腰腹肌力量较弱，并且腹部脂肪堆积较多，会增加腰部肌群的负担，导致腰肌劳损。</p>
            <p class="block">
              <span class="span-S">◆</span>脊柱：脊柱的负荷为机体的体重、肌肉张力和外在负重的总和。不同部位的脊柱承担着不同的负荷。由于腰椎处于脊柱的较低位，因而负荷相对较大。站姿时，第三、第四腰椎间盘承受的压力较大，因此长期的站姿会增加患腰背痛的概率。
              <span
                class="span-S">◆</span>腰腹部：自然站立时，躯干部位的重量经过腰椎向下传导，需要腰部肌肉力量予以支撑，以保持腰椎的正常生理前凸。如果腰腹肌力量较弱，并且腹部脂肪堆积较多，会增加腰部肌群的负担，导致腰肌劳损。
            </p>
            <p class="block"><span class="span-S">◆</span>下肢：人体在走动或者站立时，下肢肌群会紧张性收缩，以维持身体姿势并保持身体平衡。长时间保持站立不动，会影响下肢血液循环，导致下肢肿胀，甚至导致静脉曲张。</p>
            <p class="block"><span class="span-S">◆</span>心血管系统：长时间站立后，血液受到重力的作用，滞留在心脏水平以下的血管中，使静脉回流量下降，导致出现脚背浮肿、趾关节炎和下肢静脉曲张等症状。</p>
            <p class="block"><span class="span-S">◆</span>骨骼肌肉：人体的肌肉在平时会维持一定的张力，以维持一定的身体姿势。站立时，大腿、小腿、腰背部和臀部的肌肉处于等张收缩状态，需要参与的肌群比坐姿时更多，也更加容易疲劳受损。</p>
            <p class="block">
              <span
                class="span-S">◆</span>脊柱：脊柱的负荷为机体的体重、肌肉张力和外在负重的总和。不同部位的脊柱承担着不同的负荷。由于腰椎处于脊柱的较低位，因而负荷相对较大。站姿时，第三、第四腰椎间盘承受的压力较大，因此长期的站姿会增加患腰背痛的概率。
            </p>
            <p class="block"><span
                class="span-S">◆</span>下肢：人体在走动或者站立时，下肢肌群会紧张性收缩，以维持身体姿势并保持身体平衡。长时间保持站立不动，会影响下肢血液循环，导致下肢肿胀，甚至导致静脉曲张。</p>
            <p class="block"><span
                class="span-S">◆</span>心血管系统：长时间站立后，血液受到重力的作用，滞留在心脏水平以下的血管中，使静脉回流量下降，导致出现脚背浮肿、趾关节炎和下肢静脉曲张等症状。</p>
            <p class="block"><span
                class="span-S">◆</span>骨骼肌肉：人体的肌肉在平时会维持一定的张力，以维持一定的身体姿势。站立时，大腿、小腿、腰背部和臀部的肌肉处于等张收缩状态，需要参与的肌群比坐姿时更多，也更加容易疲劳受损。
            </p>
          </div>
          <p>根据长期的站姿会对下肢、腰腹及脊柱造成较大压力的特点，久站型职业体能训练应着重下肢及腰腹部位的力量训练。同时，可以采取健身走、健身跑的练习方式来提高心肺功能，</p>
        </div>
@@ -2384,31 +2156,8 @@
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