{"id":57628,"date":"2025-12-16T08:00:35","date_gmt":"2025-12-15T23:00:35","guid":{"rendered":"https:\/\/norimen.net\/?p=57628"},"modified":"2026-05-16T17:56:36","modified_gmt":"2026-05-16T08:56:36","slug":"cold-protection-3-neck","status":"publish","type":"post","link":"https:\/\/norimen.net\/en\/cold-protection-3-necks\/","title":{"rendered":"Why Is It Important to Stay Warm? Keep the \"Three Necks\" Warm!!"},"content":{"rendered":"<p>Hello, everyone.<\/p>\n<p>This is Enta.<\/p>\n<p>&nbsp;<\/p>\n<p>Why is it important to take proper precautions against the cold?<\/p>\n<p>Have you ever thought about that?<\/p>\n<p><span style=\"font-size: 20px;\"><strong><span style=\"color: #0000ff;\">It's cold!<\/span><\/strong><\/span>That's right, lol.<\/p>\n<p>It's because it's cold, but actually, that's not the only reason.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-57641\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2025\/12\/c81cbff317a44468e76800492bdba08e.jpg\" alt=\"Winter Clothing\" width=\"500\" height=\"500\" \/><\/p>\n<p>It's super important not to let your body get cold, even while you're working!<\/p>\n<p>&nbsp;<\/p>\n<p><b>\"Fatigue Caused by Temperature Fluctuations\"<\/b>or \"<b>Winter Fatigue<\/b>\"There's a saying that goes...\"<\/p>\n<p>After looking into it more closely, I realized the benefits of taking measures to stay warm.<\/p>\n<table data-path-to-node=\"5\">\n<thead>\n<tr>\n<td><strong>Situation<\/strong><\/td>\n<td><strong>Causes of Fatigue<\/strong><\/td>\n<td><strong>Level of Fatigue<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><span data-path-to-node=\"5,1,0,0\"><b>1. Work while properly dressed for the cold and in a warm environment<\/b><\/span><\/td>\n<td><span data-path-to-node=\"5,1,1,0\"><b>Mild<\/b>Thermoregulation. Since warmth is primarily retained from the outside through clothing, the body's energy expenditure is minimized.<\/span><\/td>\n<td><span data-path-to-node=\"5,1,2,0\"><b>Low<\/b>(Similar to normal work-related fatigue)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"5,2,0,0\"><b>2. Working in conditions where you constantly feel cold despite wearing adequate cold-weather gear<\/b><\/span><\/td>\n<td>\n<p data-path-to-node=\"5,2,1,0\"><b>Active<\/b>Abnormal body temperature regulation (excessive activity of the sympathetic nervous system).<\/p>\n<p data-path-to-node=\"5,2,1,2\">\u30fbHeat retention due to vasoconstriction<\/p>\n<p data-path-to-node=\"5,2,1,4\">\u30fbHeat production in muscles (such as shivering)<\/p>\n<p data-path-to-node=\"5,2,1,6\">A large amount of the body's life energy is consumed.<\/p>\n<\/td>\n<td><span data-path-to-node=\"5,2,2,0\"><b>High<\/b>(Similar to \u201cfatigue caused by temperature fluctuations\u201d or \u201cwinter slump\u201d)<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 data-path-to-node=\"7\">\ud83c\udf21\ufe0f The Mechanism of Fatigue<\/h2>\n<p data-path-to-node=\"8\">The main causes of fatigue due to the cold are,<b>Excessive activity of the autonomic nervous system<\/b>\u3068<b>Apparently, it's energy consumption!<\/b><\/p>\n<h3 data-path-to-node=\"9\">1. Strain on the Autonomic Nervous System<\/h3>\n<p data-path-to-node=\"10\">Maintain a constant body temperature (approximately<span class=\"math-inline\" data-math=\"36^\\circ\\text{C}\">36\u00b0<\/span>) is responsible for maintaining<b>Autonomic Nervous System<\/b>\u3002<\/p>\n<ul data-path-to-node=\"11\">\n<li>\n<p data-path-to-node=\"11,0,0\"><b>In situations where you feel cold (Situation 2), the body activates the sympathetic nervous system to prevent heat loss<\/b>It stimulates active functioning.<\/p>\n<ul data-path-to-node=\"11,0,1\">\n<li>\n<p data-path-to-node=\"11,0,1,0,0\">It constricts the blood vessels in the skin and reduces blood flow.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"11,0,1,1,0\">Generates heat within the body (by causing muscles to tremble or boosting metabolism).<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p data-path-to-node=\"11,1,0\">This<b>A prolonged state in which the sympathetic nervous system is dominant and overactive<\/b>As a result, the balance of the autonomic nervous system is disrupted, and the nerves themselves become exhausted. (You just keep getting more and more tired.) The moment you get in the car on the way home, you start to feel warm, the fatigue sets in, and you get sleepy, don't you?<\/p>\n<\/li>\n<\/ul>\n<h3 data-path-to-node=\"12\">2. Energy Waste<\/h3>\n<p data-path-to-node=\"13\">Excessive activity of the sympathetic nervous system raises body temperature in order to<b>A lot of energy<\/b>Consume!<\/p>\n<ul data-path-to-node=\"14\">\n<li>\n<p data-path-to-node=\"14,0,0\">Basal metabolic rate increases, and energy sources (primarily carbohydrates and fats) are burned more quickly than usual.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"14,1,0\">This excessive energy consumption, combined with work-related fatigue,<b>General fatigue<\/b>\u3084<b>Lethargy<\/b>appears as. This is \u201c<span style=\"color: #ff0000;\"><b>Fatigue Caused by Temperature Fluctuations<\/b><\/span>\" or \"<span style=\"color: #ff0000;\"><b>Winter Fatigue<\/b><\/span>\"These are typical symptoms of a condition known as .\"<\/p>\n<\/li>\n<\/ul>\n<h3 data-path-to-node=\"15\">3. Poor Circulation and Muscle Stiffness<\/h3>\n<p data-path-to-node=\"16\">When blood vessels constrict due to the cold (Situation 2), blood flow is impaired.<\/p>\n<ul data-path-to-node=\"17\">\n<li>\n<p data-path-to-node=\"17,0,0\">Poor blood circulation makes it difficult for fatigue-inducing substances and waste products to be expelled from the body, causing them to accumulate in the muscles.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"17,1,0\">As a result,<b>Stiff shoulders, headaches, lower back pain<\/b>This causes symptoms such as [...], which in turn further increase feelings of fatigue.<\/p>\n<\/li>\n<\/ul>\n<hr \/>\n<p>It's kind of scary when you read it like this, isn't it~~!<\/p>\n<h3>Winter Clothing<\/h3>\n<p>Apparently, the way to prevent that is to \"Keep the Three Necks Warm!?\"<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-57644\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2025\/12\/b088a837dbbfcf3e0f17bfbac9fc5f93.jpg\" alt=\"The Three Necks\" width=\"500\" height=\"500\" \/><\/p>\n<table data-path-to-node=\"12\">\n<thead>\n<tr>\n<td><strong>Body Part<\/strong><\/td>\n<td><strong>Benefits of Warming<\/strong><\/td>\n<td><strong>Effects on Fatigue Reduction<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><span data-path-to-node=\"12,1,0,0\"><b>Neck (Cervical Region)<\/b><\/span><\/td>\n<td><span data-path-to-node=\"12,1,1,0\"><b>Preventing misperceptions in the brain and stabilizing the autonomic nervous system<\/b>. The neck contains an important sensor that detects body temperature; warming this area causes the brain to determine that \u201cthe body is warm,\u201d which helps suppress excessive sympathetic nervous system activity.<\/span><\/td>\n<td><span data-path-to-node=\"12,1,2,0\"><b>Preventing Autonomic Nervous System Exhaustion<\/b><\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"12,2,0,0\"><b>Wrists and Ankles<\/b><\/span><\/td>\n<td><span data-path-to-node=\"12,2,1,0\"><b>Improved Peripheral Blood Circulation<\/b>. By directly warming the large blood vessels, this prevents the blood circulating throughout the body from cooling down and stops cold blood from returning.<\/span><\/td>\n<td><span data-path-to-node=\"12,2,2,0\"><b>Maintains blood flow and helps eliminate waste products<\/b><\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"12,3,0,0\"><b>General<\/b><\/span><\/td>\n<td><span data-path-to-node=\"12,3,1,0\"><b>Efficient Heat Retention<\/b>. Since these areas have little fat and thin muscle layers, cold air can easily penetrate them and heat escapes easily (they dissipate heat easily). Covering these areas can significantly reduce the amount of heat lost from the entire body.<\/span><\/td>\n<td><span data-path-to-node=\"12,3,2,0\"><b>Reduce the body's consumption of vital energy<\/b><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p>What are you all wearing to stay warm!?<\/p>\n<p>What do you think?<\/p>\n<p>If these three key areas haven't been addressed, please take the time to thoroughly review them.<\/p>\n<p>And if you focus on keeping this area warm, you might find that your fatigue disappears in an instant!<\/p>\n<p>Make sure to bundle up to avoid getting tired!<\/p>\n<p>&nbsp;<\/p>\n<p>See you later.<\/p>","protected":false},"excerpt":{"rendered":"<p>Hello, everyone. This is Enta.   Have you ever wondered why we need to take proper precautions against the cold? Because it\u2019s cold! That\u2019s right, lol. It\u2019s cold, but actually, that\u2019s not the only reason. It\u2019s super important not to let your body get cold, even while you\u2019re working! \u2026<\/p>","protected":false},"author":2,"featured_media":57644,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[1],"tags":[3999,14094,14095,14096],"class_list":["post-57628","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-others","tag-3999","tag-14094","tag-14095","tag-14096"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.2 (Yoast SEO v28.2) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ 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