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	<title>上腕三頭筋 &#8211; 運動は悩みを解決する</title>
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	<description>心・身体・運動・健康・笑顔・言葉</description>
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	<title>上腕三頭筋 &#8211; 運動は悩みを解決する</title>
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	<item>
		<title>【運動嫌い向け】二の腕を引き締めたい人へ｜500mlペットボトルでできる簡単筋トレを紹介</title>
		<link>https://yakitorijapan.com/ninoude-kintore/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=ninoude-kintore</link>
					<comments>https://yakitorijapan.com/ninoude-kintore/#respond</comments>
		
		<dc:creator><![CDATA[kuma]]></dc:creator>
		<pubDate>Tue, 16 Sep 2025 21:22:13 +0000</pubDate>
				<category><![CDATA[未分類]]></category>
		<category><![CDATA[ペットボトル]]></category>
		<category><![CDATA[上腕三頭筋]]></category>
		<category><![CDATA[二の腕]]></category>
		<category><![CDATA[筋トレ]]></category>
		<category><![CDATA[腕のたるみ]]></category>
		<category><![CDATA[運動]]></category>
		<guid isPermaLink="false">https://yakitorijapan.com/?p=9982</guid>

					<description><![CDATA[<p><img src="https://yakitorijapan.com/wp-content/uploads/2025/09/Training-7-1-1024x576.jpg" class="webfeedsFeaturedVisual" /></p>【この記事でわかること】 そんな悩みを抱えている方は多いのではないでしょうか。 二の腕まわりは、 などによって、たるみが気になりやすくなることがあります。 ただし、最初から重いダンベルを使う必要はありません。実は、500 [&#8230;]]]></description>
										<content:encoded><![CDATA[<p><img src="https://yakitorijapan.com/wp-content/uploads/2025/09/Training-7-1-1024x576.jpg" class="webfeedsFeaturedVisual" /></p>
<p class="wp-block-paragraph">【この記事でわかること】</p>



<ul class="wp-block-list">
<li>二の腕が太く見えやすくなる理由</li>



<li>自宅でできる二の腕筋トレ</li>



<li>500mlペットボトルを使った簡単</li>



<li>トレーニング 運動嫌いでも続けやすいコツ</li>
</ul>



<div class="wp-block-group has-border -border04 is-style-bg_stripe"><div class="wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained">
<div class="wp-block-columns">
<div class="wp-block-column" style="flex-basis:33.33%">
<figure class="wp-block-image size-full is-resized"><img decoding="async" width="600" height="600" src="https://yakitorijapan.com/wp-content/uploads/2026/05/channels4_profile.jpg" alt="" class="wp-image-12972" style="width:175px;height:auto" srcset="https://yakitorijapan.com/wp-content/uploads/2026/05/channels4_profile.jpg 600w, https://yakitorijapan.com/wp-content/uploads/2026/05/channels4_profile-300x300.jpg 300w, https://yakitorijapan.com/wp-content/uploads/2026/05/channels4_profile-150x150.jpg 150w" sizes="(max-width: 600px) 100vw, 600px" /></figure>
</div>



<div class="wp-block-column" style="flex-basis:66.66%">
<p class="wp-block-paragraph">筆者プロフィール</p>



<ul class="wp-block-list">
<li class="has-small-font-size">医療・運動分野で運動指導（１５年以上）</li>



<li class="has-small-font-size">保有資格：<a href="https://www.health-net.or.jp/shikaku/">健康運動指導士</a>、<a href="https://www.jacr.jp/jacrreha/" data-type="link" data-id="https://www.jacr.jp/jacrreha/">心臓リハビリテーション指導士</a>、<a href="https://yogaalliance.org/">ヨガインストラクター（RYT200）</a></li>



<li class="has-small-font-size">疲労はもちろん、肩こり・腰痛・目の疲れが嫌なので日々疲労回復に励む</li>



<li class="has-small-font-size">好きな食べ物は焼き鳥とビール！</li>
</ul>
</div>
</div>
</div></div>



<ul class="wp-block-list">
<li>「最近、二の腕が気になる…」</li>



<li>「ダイエットしたいけど、ジムに行くのは面倒…」</li>
</ul>



<p class="wp-block-paragraph">そんな悩みを抱えている方は多いのではないでしょうか。</p>



<p class="wp-block-paragraph">二の腕まわりは、</p>



<ul class="wp-block-list">
<li>運動不足</li>



<li>活動量の低下</li>



<li>筋肉を使う機会の減少</li>
</ul>



<p class="wp-block-paragraph">などによって、たるみが気になりやすくなることがあります。</p>



<p class="wp-block-paragraph">ただし、最初から重いダンベルを使う必要はありません。実は、500mlのペットボトルでも、二の腕を動かすトレーニングは行いやすいです。</p>


<div class="swell-block-balloon"><div class="c-balloon -bln-left" data-col="gray"><div class="c-balloon__icon -circle"><img decoding="async" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" data-src="https://yakitorijapan.com/wp-content/uploads/2026/05/channels4_profile-150x150.jpg" alt="" class="lazyload c-balloon__iconImg" width="80px" height="80px"><noscript><img decoding="async" src="https://yakitorijapan.com/wp-content/uploads/2026/05/channels4_profile-150x150.jpg" alt="" class="c-balloon__iconImg" width="80px" height="80px"></noscript></div><div class="c-balloon__body -speaking -border-on"><div class="c-balloon__text">
<p>この記事では運動が苦手な方でも始めやすい「二の腕を引き締める簡単筋トレ」をわかりやすく紹介します。</p>
<span class="c-balloon__shapes"><span class="c-balloon__before"></span><span class="c-balloon__after"></span></span></div></div></div></div>


<a href="https://px.a8.net/svt/ejp?a8mat=4B3K2H+4NATRM+5E9C+NTZCH" rel="nofollow">
<img decoding="async" border="0" width="300" height="250" alt="" src="https://www22.a8.net/svt/bgt?aid=260506457281&#038;wid=001&#038;eno=01&#038;mid=s00000025176004003000&#038;mc=1"></a>
<img decoding="async" border="0" width="1" height="1" src="https://www16.a8.net/0.gif?a8mat=4B3K2H+4NATRM+5E9C+NTZCH" alt="">



<a href="https://px.a8.net/svt/ejp?a8mat=4B3K2H+4MPE5U+5VBI+61C2P" rel="nofollow">
<img decoding="async" border="0" width="300" height="250" alt="" src="https://www22.a8.net/svt/bgt?aid=260506457280&#038;wid=001&#038;eno=01&#038;mid=s00000027387001014000&#038;mc=1"></a>
<img decoding="async" border="0" width="1" height="1" src="https://www18.a8.net/0.gif?a8mat=4B3K2H+4MPE5U+5VBI+61C2P" alt="">



<h2 class="wp-block-heading">二の腕が気になりやすくなる理由</h2>



<h3 class="wp-block-heading">腕を動かす機会が減りやすいため</h3>



<figure class="wp-block-image size-large"><img decoding="async" width="1024" height="683" src="https://yakitorijapan.com/wp-content/uploads/2026/02/7cdf39924f3ba25fc2910423177db3dc-1024x683.jpg" alt="" class="wp-image-10928" srcset="https://yakitorijapan.com/wp-content/uploads/2026/02/7cdf39924f3ba25fc2910423177db3dc-1024x683.jpg 1024w, https://yakitorijapan.com/wp-content/uploads/2026/02/7cdf39924f3ba25fc2910423177db3dc-300x200.jpg 300w, https://yakitorijapan.com/wp-content/uploads/2026/02/7cdf39924f3ba25fc2910423177db3dc-768x512.jpg 768w, https://yakitorijapan.com/wp-content/uploads/2026/02/7cdf39924f3ba25fc2910423177db3dc.jpg 1536w" sizes="(max-width: 1024px) 100vw, 1024px" /></figure>



<p class="wp-block-paragraph">デスクワークやスマホ時間が増えると、腕を大きく動かす機会が減りやすくなります。</p>



<p class="wp-block-paragraph">すると、</p>



<ul class="wp-block-list">
<li>筋肉を使う量が減る</li>



<li>活動量が少なくなる</li>



<li>たるみが気になりやすくなる</li>
</ul>



<p class="wp-block-paragraph">ことがあります。</p>



<h3 class="wp-block-heading">「運動しない日」が増えやすいため</h3>



<figure class="wp-block-image size-large"><img decoding="async" width="1024" height="683" src="https://yakitorijapan.com/wp-content/uploads/2026/02/e57a957df9ae5144f07c6b2c486951e9-1024x683.jpg" alt="" class="wp-image-11116" srcset="https://yakitorijapan.com/wp-content/uploads/2026/02/e57a957df9ae5144f07c6b2c486951e9-1024x683.jpg 1024w, https://yakitorijapan.com/wp-content/uploads/2026/02/e57a957df9ae5144f07c6b2c486951e9-300x200.jpg 300w, https://yakitorijapan.com/wp-content/uploads/2026/02/e57a957df9ae5144f07c6b2c486951e9-768x512.jpg 768w, https://yakitorijapan.com/wp-content/uploads/2026/02/e57a957df9ae5144f07c6b2c486951e9.jpg 1536w" sizes="(max-width: 1024px) 100vw, 1024px" /></figure>



<p class="wp-block-paragraph">運動が苦手な方ほど、</p>



<ul class="wp-block-list">
<li>面倒</li>



<li>疲れる</li>



<li>続かない</li>
</ul>



<p class="wp-block-paragraph">という理由で、身体を動かす機会が減りやすくなります。</p>


<div class="swell-block-balloon"><div class="c-balloon -bln-left" data-col="gray"><div class="c-balloon__icon -circle"><img decoding="async" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" data-src="https://yakitorijapan.com/wp-content/uploads/2026/05/channels4_profile-150x150.jpg" alt="" class="lazyload c-balloon__iconImg" width="80px" height="80px"><noscript><img decoding="async" src="https://yakitorijapan.com/wp-content/uploads/2026/05/channels4_profile-150x150.jpg" alt="" class="c-balloon__iconImg" width="80px" height="80px"></noscript></div><div class="c-balloon__body -speaking -border-on"><div class="c-balloon__text">
<p>「自宅で少しだけできる運動」を選ぶことが大切です。</p>
<span class="c-balloon__shapes"><span class="c-balloon__before"></span><span class="c-balloon__after"></span></span></div></div></div></div>


<h3 class="wp-block-heading">極端な食事制限では続きにくいため</h3>



<figure class="wp-block-image size-large"><img decoding="async" width="1024" height="683" src="https://yakitorijapan.com/wp-content/uploads/2026/01/image-5-1024x683.jpg" alt="" class="wp-image-11413" srcset="https://yakitorijapan.com/wp-content/uploads/2026/01/image-5-1024x683.jpg 1024w, https://yakitorijapan.com/wp-content/uploads/2026/01/image-5-300x200.jpg 300w, https://yakitorijapan.com/wp-content/uploads/2026/01/image-5-768x512.jpg 768w, https://yakitorijapan.com/wp-content/uploads/2026/01/image-5.jpg 1536w" sizes="(max-width: 1024px) 100vw, 1024px" /></figure>



<p class="wp-block-paragraph">食事だけで痩せようとすると、</p>



<ul class="wp-block-list">
<li>空腹がつらい</li>



<li>ストレスが増える</li>



<li>リバウンドしやすい</li>
</ul>



<p class="wp-block-paragraph">ことがあります。</p>


<div class="swell-block-balloon"><div class="c-balloon -bln-left" data-col="gray"><div class="c-balloon__icon -circle"><img decoding="async" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" data-src="https://yakitorijapan.com/wp-content/uploads/2026/05/channels4_profile-150x150.jpg" alt="" class="lazyload c-balloon__iconImg" width="80px" height="80px"><noscript><img decoding="async" src="https://yakitorijapan.com/wp-content/uploads/2026/05/channels4_profile-150x150.jpg" alt="" class="c-balloon__iconImg" width="80px" height="80px"></noscript></div><div class="c-balloon__body -speaking -border-on"><div class="c-balloon__text">
<p>無理は長続きしません。続けられる工夫が大事！</p>
<span class="c-balloon__shapes"><span class="c-balloon__before"></span><span class="c-balloon__after"></span></span></div></div></div></div>


<h4 class="wp-block-heading">食事を減らしすぎずにダイエットしたい人におすすめ｜完全置換プロテインスムージー</h4>



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<h2 class="wp-block-heading">500mlペットボトルでできる二の腕筋トレ3選</h2>



<h3 class="wp-block-heading">ペットボトルキックバック</h3>



<figure class="wp-block-image size-large"><img decoding="async" width="1024" height="576" src="https://yakitorijapan.com/wp-content/uploads/2025/09/image-7-1024x576.jpg" alt="" class="wp-image-12784" srcset="https://yakitorijapan.com/wp-content/uploads/2025/09/image-7-1024x576.jpg 1024w, https://yakitorijapan.com/wp-content/uploads/2025/09/image-7-300x169.jpg 300w, https://yakitorijapan.com/wp-content/uploads/2025/09/image-7-768x432.jpg 768w, https://yakitorijapan.com/wp-content/uploads/2025/09/image-7-1536x864.jpg 1536w, https://yakitorijapan.com/wp-content/uploads/2025/09/image-7.jpg 1672w" sizes="(max-width: 1024px) 100vw, 1024px" /></figure>



<p class="wp-block-paragraph">キックバックは、二の腕の後ろ側を動かしやすいトレーニングです。ペットボトルを持つことで、負荷を調整しやすい特徴があります。</p>



<h4 class="wp-block-heading">ポイント</h4>



<ul class="wp-block-list">
<li>肘を身体に近づける</li>



<li>ゆっくり肘の曲げ伸ばしを繰り替えす</li>



<li>肘の位置は固定する</li>



<li>勢いをつけすぎない</li>



<li>10〜15回×1〜3セット行う</li>
</ul>


<div class="swell-block-balloon"><div class="c-balloon -bln-left" data-col="gray"><div class="c-balloon__icon -circle"><img decoding="async" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" data-src="https://yakitorijapan.com/wp-content/uploads/2026/05/channels4_profile-150x150.jpg" alt="" class="lazyload c-balloon__iconImg" width="80px" height="80px"><noscript><img decoding="async" src="https://yakitorijapan.com/wp-content/uploads/2026/05/channels4_profile-150x150.jpg" alt="" class="c-balloon__iconImg" width="80px" height="80px"></noscript></div><div class="c-balloon__body -speaking -border-on"><div class="c-balloon__text">
<p>肘の位置を固定するのが大事。重たい場合は水の量を調整してOK！</p>
<span class="c-balloon__shapes"><span class="c-balloon__before"></span><span class="c-balloon__after"></span></span></div></div></div></div>


<h4 class="wp-block-heading">床トレを快適にしたい人におすすめ｜ヨガマット</h4>



<p class="wp-block-paragraph">トレーニングスペースを作りやすくなり、「少しだけやってみよう」という気持ちにつながりやすくなります。</p>


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<h3 class="wp-block-heading">ペットボトルアームカール</h3>



<figure class="wp-block-image size-large"><img decoding="async" width="1024" height="576" src="https://yakitorijapan.com/wp-content/uploads/2025/09/image-8-1024x576.jpg" alt="" class="wp-image-12785" srcset="https://yakitorijapan.com/wp-content/uploads/2025/09/image-8-1024x576.jpg 1024w, https://yakitorijapan.com/wp-content/uploads/2025/09/image-8-300x169.jpg 300w, https://yakitorijapan.com/wp-content/uploads/2025/09/image-8-768x432.jpg 768w, https://yakitorijapan.com/wp-content/uploads/2025/09/image-8-1536x864.jpg 1536w, https://yakitorijapan.com/wp-content/uploads/2025/09/image-8.jpg 1672w" sizes="(max-width: 1024px) 100vw, 1024px" /></figure>



<p class="wp-block-paragraph">アームカールは、肘を曲げながらペットボトルを持ち上げるトレーニングです。腕まわりを動かす習慣づくりにもおすすめです。</p>



<h4 class="wp-block-heading">ポイント</h4>



<ul class="wp-block-list">
<li>肘を固定する</li>



<li>反動を使いすぎない</li>



<li>ゆっくり肘の曲げ伸ばしを繰り返す</li>



<li>肘を伸ばす時もゆっくりと行う</li>



<li>10〜15回×1〜3セット</li>
</ul>


<div class="swell-block-balloon"><div class="c-balloon -bln-left" data-col="gray"><div class="c-balloon__icon -circle"><img decoding="async" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" data-src="https://yakitorijapan.com/wp-content/uploads/2026/05/channels4_profile-150x150.jpg" alt="" class="lazyload c-balloon__iconImg" width="80px" height="80px"><noscript><img decoding="async" src="https://yakitorijapan.com/wp-content/uploads/2026/05/channels4_profile-150x150.jpg" alt="" class="c-balloon__iconImg" width="80px" height="80px"></noscript></div><div class="c-balloon__body -speaking -border-on"><div class="c-balloon__text">
<p>上半身が前後するのはNG。動かすのは「腕だけ」という意識で続けよう！</p>
<span class="c-balloon__shapes"><span class="c-balloon__before"></span><span class="c-balloon__after"></span></span></div></div></div></div>


<h3 class="wp-block-heading">ペットボトルショルダープレス</h3>



<figure class="wp-block-image size-large"><img decoding="async" width="1024" height="576" src="https://yakitorijapan.com/wp-content/uploads/2025/09/image-9-1024x576.jpg" alt="" class="wp-image-12786" srcset="https://yakitorijapan.com/wp-content/uploads/2025/09/image-9-1024x576.jpg 1024w, https://yakitorijapan.com/wp-content/uploads/2025/09/image-9-300x169.jpg 300w, https://yakitorijapan.com/wp-content/uploads/2025/09/image-9-768x432.jpg 768w, https://yakitorijapan.com/wp-content/uploads/2025/09/image-9-1536x864.jpg 1536w, https://yakitorijapan.com/wp-content/uploads/2025/09/image-9.jpg 1672w" sizes="(max-width: 1024px) 100vw, 1024px" /></figure>



<p class="wp-block-paragraph">ショルダープレスは、ペットボトルを上に押し上げるトレーニングです。肩や腕まわりをまとめて動かしやすい特徴があります。</p>



<h4 class="wp-block-heading">ポイント</h4>



<ul class="wp-block-list">
<li>肩をすくめすぎない</li>



<li>ゆっくり真上に押し上げる</li>



<li>腕を下ろす時もゆっくりと行う</li>



<li>無理に高く上げすぎない</li>



<li>10〜15回×1〜3セット</li>
</ul>


<div class="swell-block-balloon"><div class="c-balloon -bln-left" data-col="gray"><div class="c-balloon__icon -circle"><img decoding="async" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" data-src="https://yakitorijapan.com/wp-content/uploads/2026/05/channels4_profile-150x150.jpg" alt="" class="lazyload c-balloon__iconImg" width="80px" height="80px"><noscript><img decoding="async" src="https://yakitorijapan.com/wp-content/uploads/2026/05/channels4_profile-150x150.jpg" alt="" class="c-balloon__iconImg" width="80px" height="80px"></noscript></div><div class="c-balloon__body -speaking -border-on"><div class="c-balloon__text">
<p>ペットボトルを上げる前に姿勢を整えよう！綺麗な姿勢が筋トレの成果を上げる！</p>
<span class="c-balloon__shapes"><span class="c-balloon__before"></span><span class="c-balloon__after"></span></span></div></div></div></div>


<h2 class="wp-block-heading">二の腕ダイエットで大切なこと</h2>



<h3 class="wp-block-heading">「二の腕だけ痩せ」を狙いすぎない</h3>



<figure class="wp-block-image size-large"><img decoding="async" width="1024" height="683" src="https://yakitorijapan.com/wp-content/uploads/2024/01/image-2-6-1024x683.jpg" alt="" class="wp-image-12456" srcset="https://yakitorijapan.com/wp-content/uploads/2024/01/image-2-6-1024x683.jpg 1024w, https://yakitorijapan.com/wp-content/uploads/2024/01/image-2-6-300x200.jpg 300w, https://yakitorijapan.com/wp-content/uploads/2024/01/image-2-6-768x512.jpg 768w, https://yakitorijapan.com/wp-content/uploads/2024/01/image-2-6.jpg 1535w" sizes="(max-width: 1024px) 100vw, 1024px" /></figure>



<p class="wp-block-paragraph">二の腕だけを集中的に細くするのは難しい場合があります。</p>



<p class="wp-block-paragraph">そのため、</p>



<ul class="wp-block-list">
<li>全身を動かす</li>



<li>活動量を増やす</li>



<li>継続して筋肉を使う</li>
</ul>



<p class="wp-block-paragraph">ことも重要です。</p>


<div class="swell-block-balloon"><div class="c-balloon -bln-left" data-col="gray"><div class="c-balloon__icon -circle"><img decoding="async" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" data-src="https://yakitorijapan.com/wp-content/uploads/2026/05/channels4_profile-150x150.jpg" alt="" class="lazyload c-balloon__iconImg" width="80px" height="80px"><noscript><img decoding="async" src="https://yakitorijapan.com/wp-content/uploads/2026/05/channels4_profile-150x150.jpg" alt="" class="c-balloon__iconImg" width="80px" height="80px"></noscript></div><div class="c-balloon__body -speaking -border-on"><div class="c-balloon__text">
<p>筋トレも大事だけど歩く、動くことも大事。</p>
<span class="c-balloon__shapes"><span class="c-balloon__before"></span><span class="c-balloon__after"></span></span></div></div></div></div>


<h4 class="wp-block-heading">全身を動かしながらダイエットしたい人におすすめ</h4>



<p class="wp-block-paragraph">活動量を増やしやすい、インターバル速歩のやり方や続けるコツを紹介しています。</p>



<figure class="wp-block-embed is-type-wp-embed"><div class="wp-block-embed__wrapper">
https://yakitorijapan.com/interval-fast-walking-to-lose-weight/
</div></figure>



<h3 class="wp-block-heading">少しずつ筋肉を動かす習慣を作る</h3>



<figure class="wp-block-image size-large"><img decoding="async" width="1024" height="576" src="https://yakitorijapan.com/wp-content/uploads/2024/01/image-2-2-1024x576.jpg" alt="" class="wp-image-12452" srcset="https://yakitorijapan.com/wp-content/uploads/2024/01/image-2-2-1024x576.jpg 1024w, https://yakitorijapan.com/wp-content/uploads/2024/01/image-2-2-300x169.jpg 300w, https://yakitorijapan.com/wp-content/uploads/2024/01/image-2-2-768x432.jpg 768w, https://yakitorijapan.com/wp-content/uploads/2024/01/image-2-2-1536x864.jpg 1536w, https://yakitorijapan.com/wp-content/uploads/2024/01/image-2-2.jpg 1672w" sizes="(max-width: 1024px) 100vw, 1024px" /></figure>



<p class="wp-block-paragraph">筋トレは、「短期間だけ頑張る」より、「少しずつ続ける」方が重要です。</p>



<p class="wp-block-paragraph">最初は、</p>



<ul class="wp-block-list">
<li>5分だけ</li>



<li>1種目だけ</li>



<li>少ない回数だけ</li>
</ul>



<p class="wp-block-paragraph">でも問題ありません。</p>


<div class="swell-block-balloon"><div class="c-balloon -bln-left" data-col="gray"><div class="c-balloon__icon -circle"><img decoding="async" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" data-src="https://yakitorijapan.com/wp-content/uploads/2026/05/channels4_profile-150x150.jpg" alt="" class="lazyload c-balloon__iconImg" width="80px" height="80px"><noscript><img decoding="async" src="https://yakitorijapan.com/wp-content/uploads/2026/05/channels4_profile-150x150.jpg" alt="" class="c-balloon__iconImg" width="80px" height="80px"></noscript></div><div class="c-balloon__body -speaking -border-on"><div class="c-balloon__text">
<p>筋トレはどれか一つでOK。お気に入りの筋トレを見つけよう！</p>
<span class="c-balloon__shapes"><span class="c-balloon__before"></span><span class="c-balloon__after"></span></span></div></div></div></div>


<h4 class="wp-block-heading">「続けた実感」を見える化したい人におすすめ｜90日つけるだけ 健康ダイエットノート</h4>



<p class="wp-block-paragraph">運動や体重の変化を記録しやすく、「少しずつ続けられている」が見えやすくなります。</p>


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<h2 class="wp-block-heading">運動嫌いな人ほど「頑張りすぎない」が大切</h2>



<figure class="wp-block-image size-large"><img decoding="async" width="1024" height="576" src="https://yakitorijapan.com/wp-content/uploads/2025/05/image-4-4-1024x576.jpg" alt="" class="wp-image-12698" srcset="https://yakitorijapan.com/wp-content/uploads/2025/05/image-4-4-1024x576.jpg 1024w, https://yakitorijapan.com/wp-content/uploads/2025/05/image-4-4-300x169.jpg 300w, https://yakitorijapan.com/wp-content/uploads/2025/05/image-4-4-768x432.jpg 768w, https://yakitorijapan.com/wp-content/uploads/2025/05/image-4-4-1536x864.jpg 1536w, https://yakitorijapan.com/wp-content/uploads/2025/05/image-4-4.jpg 1672w" sizes="(max-width: 1024px) 100vw, 1024px" /></figure>



<p class="wp-block-paragraph">ダイエットが続かない人の多くは、最初に頑張りすぎています。</p>



<ul class="wp-block-list">
<li>毎日全部やる</li>



<li>疲れるまで頑張る</li>



<li>長時間トレーニングする</li>
</ul>



<p class="wp-block-paragraph">こうした方法は、続かなくなる原因になることがあります。</p>



<p class="wp-block-paragraph">まずは、</p>



<ul class="wp-block-list">
<li>1種目だけ</li>



<li>5分だけ</li>



<li>少ない回数だけ</li>
</ul>



<p class="wp-block-paragraph">でも問題ありません。</p>


<div class="swell-block-balloon"><div class="c-balloon -bln-left" data-col="gray"><div class="c-balloon__icon -circle"><img decoding="async" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" data-src="https://yakitorijapan.com/wp-content/uploads/2026/05/channels4_profile-150x150.jpg" alt="" class="lazyload c-balloon__iconImg" width="80px" height="80px"><noscript><img decoding="async" src="https://yakitorijapan.com/wp-content/uploads/2026/05/channels4_profile-150x150.jpg" alt="" class="c-balloon__iconImg" width="80px" height="80px"></noscript></div><div class="c-balloon__body -speaking -border-on"><div class="c-balloon__text">
<p>行動を続けることがなにより大事。完璧よりも大事なことです。</p>
<span class="c-balloon__shapes"><span class="c-balloon__before"></span><span class="c-balloon__after"></span></span></div></div></div></div>


<h2 class="wp-block-heading">YouTubeで二の腕トレーニング</h2>



<p class="wp-block-paragraph">私のYouTubeチャンネルでは「振りそで（たるみ）解消エクササイズ」を紹介しています。筋トレを動画で一緒に行えるので、正しいフォームを確認したい方や、モチベーションを保ちたい方におすすめです。</p>



<figure class="wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio"><div class="wp-block-embed__wrapper">
<iframe title="振袖解消！腕ほっそりエクササイズ" width="500" height="281" src="https://www.youtube.com/embed/QGA7bte19CA?feature=oembed" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen></iframe>
</div></figure>



<h2 class="wp-block-heading">まとめ</h2>



<p class="wp-block-paragraph">二の腕ダイエットでは、「少しずつ筋肉を動かす習慣」を作ることが大切です。</p>



<p class="wp-block-paragraph">特に、</p>



<ul class="wp-block-list">
<li>ペットボトルキックバック</li>



<li>ペットボトルアームカール</li>



<li>ペットボトルショルダープレス</li>
</ul>



<p class="wp-block-paragraph">などは、自宅でも始めやすい筋トレです。</p>


<div class="swell-block-balloon"><div class="c-balloon -bln-left" data-col="gray"><div class="c-balloon__icon -circle"><img decoding="async" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" data-src="https://yakitorijapan.com/wp-content/uploads/2026/05/channels4_profile-150x150.jpg" alt="" class="lazyload c-balloon__iconImg" width="80px" height="80px"><noscript><img decoding="async" src="https://yakitorijapan.com/wp-content/uploads/2026/05/channels4_profile-150x150.jpg" alt="" class="c-balloon__iconImg" width="80px" height="80px"></noscript></div><div class="c-balloon__body -speaking -border-on"><div class="c-balloon__text">
<p>ペットボトルの重さで物足りなくなったら、100円ショップの1㎏のダンベルを買いに行こう！</p>
<span class="c-balloon__shapes"><span class="c-balloon__before"></span><span class="c-balloon__after"></span></span></div></div></div></div>


<h3 class="wp-block-heading">参考文献</h3>



<ul class="wp-block-list">
<li>Schoenfeld BJ, et al. <em>Sports Med</em>. 2013.</li>



<li>Westcott WL. <em>Curr Sports Med Rep</em>. 2012.</li>



<li>Strasser B, et al. <em>Horm Metab Res</em>. 2012.</li>



<li>American College of Sports Medicine. <em>Med Sci Sports Exerc</em>. 2009.</li>



<li>Willis LH, et al. <em>J Appl Physiol</em>. 2012.</li>
</ul>



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