{"id":462,"date":"2017-01-26T16:01:45","date_gmt":"2017-01-26T16:01:45","guid":{"rendered":"https:\/\/seniorfitness.blog\/?p=462"},"modified":"2017-02-18T23:21:21","modified_gmt":"2017-02-18T23:21:21","slug":"bmi-body-mass-index","status":"publish","type":"post","link":"https:\/\/seniorfitness.blog\/?p=462","title":{"rendered":"BMI &#8211; Body Mass Index"},"content":{"rendered":"<p>Ratioen mellem v\u00e6gt og h\u00f8jde benyttes som et m\u00e5l for at estimere om man er normalv\u00e6gtig eller overv\u00e6gtig. For nogle personer vil BMI-v\u00e6rdien v\u00e6re misvisende, fx hvis man er atletisk bygget med stor muskelmasse. Men som statistisk redskab er BMI stadig anvendeligt som en parameter til at estimere sundhedstilstanden i befolkningsgrupper. Et af de seneste eksempler er fra <a href=\"https:\/\/seniorfitness.blog\/?p=448\">The Nordic Monitoring System\u2019s <\/a>unders\u00f8gelse af den nordiske befolknings helbredstilstand.<\/p>\n<p>BMI m\u00e5les ud fra formlen:<\/p>\n<ul>\n<li><strong>BMI =\u00a0v\u00e6gt \/ h\u00f8jde<sup>2<\/sup> <\/strong>(hvor v\u00e6gt angives i kg og h\u00f8jde angives i meter)<\/li>\n<\/ul>\n<p>Da formlen oprindeligt blev udformet i 1800-tallet, af Adolphe Quetelet, var det for at kunne redeg\u00f8re for det gennemsnitlige menneske. Det var f\u00f8rst i 1970\u2019erne at det blev opdaget, at indekset gav mening i sammenh\u00e6ng med overv\u00e6gt. BMI var en simpel udregning, som kunne give fx en praktiserende l\u00e6ge et fingerpeg om mulig overv\u00e6gt i relation til sygdom allerede inden direkte patientkontakt. Der kunne nemlig findes en sammenh\u00e6ng mellem en h\u00f8j BMI og helbredsproblemer, da en h\u00f8j BMI ofte reflekterer for meget fedt p\u00e5 kroppen. Men ogs\u00e5 en lav BMI reflekterer potentielle sundhedsm\u00e6ssige problemer.<\/p>\n<p>The National Institutes of Health (NIH) har foretaget f\u00f8lgende inddeling i BMI grupper:<\/p>\n<ul>\n<li><strong>Underv\u00e6gtig<\/strong>: BMI &lt;18.5<\/li>\n<li><strong>Normalv\u00e6gtig<\/strong>: BMI 18.5 \u2013 24.9<\/li>\n<li><strong>Overv\u00e6gtig<\/strong>: BMI 25.0 \u2013 29.9<\/li>\n<li><strong>Fed<\/strong>: BMI \u226530<\/li>\n<\/ul>\n<figure id=\"attachment_468\" aria-describedby=\"caption-attachment-468\" style=\"width: 613px\" class=\"wp-caption aligncenter\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"468\" data-permalink=\"https:\/\/seniorfitness.blog\/?attachment_id=468\" data-orig-file=\"https:\/\/i0.wp.com\/seniorfitness.blog\/wp-content\/uploads\/2017\/01\/2017-01-BMI-BoA8-04.jpg?fit=1185%2C949&amp;ssl=1\" data-orig-size=\"1185,949\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;renev&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1485449831&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"2017-01 BMI-BoA8-04\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/seniorfitness.blog\/wp-content\/uploads\/2017\/01\/2017-01-BMI-BoA8-04.jpg?fit=1024%2C820&amp;ssl=1\" class=\"wp-image-468 \" src=\"https:\/\/i0.wp.com\/seniorfitness.blog\/wp-content\/uploads\/2017\/01\/2017-01-BMI-BoA8-04.jpg?resize=613%2C491&#038;ssl=1\" width=\"613\" height=\"491\" srcset=\"https:\/\/i0.wp.com\/seniorfitness.blog\/wp-content\/uploads\/2017\/01\/2017-01-BMI-BoA8-04.jpg?w=1185&amp;ssl=1 1185w, https:\/\/i0.wp.com\/seniorfitness.blog\/wp-content\/uploads\/2017\/01\/2017-01-BMI-BoA8-04.jpg?resize=300%2C240&amp;ssl=1 300w, https:\/\/i0.wp.com\/seniorfitness.blog\/wp-content\/uploads\/2017\/01\/2017-01-BMI-BoA8-04.jpg?resize=768%2C615&amp;ssl=1 768w, https:\/\/i0.wp.com\/seniorfitness.blog\/wp-content\/uploads\/2017\/01\/2017-01-BMI-BoA8-04.jpg?resize=1024%2C820&amp;ssl=1 1024w\" sizes=\"auto, (max-width: 613px) 100vw, 613px\" \/><figcaption id=\"caption-attachment-468\" class=\"wp-caption-text\">Sammenh\u00e6ngen mellem BMI og relativ risiko for d\u00f8d for voksne m\u00e6nd og kvinder unders\u00f8gt i perioden 1984-1996. Fra Biology of Aging.<\/figcaption><\/figure>\n<figure id=\"attachment_467\" aria-describedby=\"caption-attachment-467\" style=\"width: 308px\" class=\"wp-caption alignright\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"467\" data-permalink=\"https:\/\/seniorfitness.blog\/?attachment_id=467\" data-orig-file=\"https:\/\/i0.wp.com\/seniorfitness.blog\/wp-content\/uploads\/2017\/01\/2017-01-BMI-BoA8-05.jpg?fit=583%2C767&amp;ssl=1\" data-orig-size=\"583,767\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;renev&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1485449772&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"2017-01 BMI-BoA8-05\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/seniorfitness.blog\/wp-content\/uploads\/2017\/01\/2017-01-BMI-BoA8-05.jpg?fit=583%2C767&amp;ssl=1\" class=\"wp-image-467\" src=\"https:\/\/i0.wp.com\/seniorfitness.blog\/wp-content\/uploads\/2017\/01\/2017-01-BMI-BoA8-05.jpg?resize=308%2C405&#038;ssl=1\" width=\"308\" height=\"405\" srcset=\"https:\/\/i0.wp.com\/seniorfitness.blog\/wp-content\/uploads\/2017\/01\/2017-01-BMI-BoA8-05.jpg?w=583&amp;ssl=1 583w, https:\/\/i0.wp.com\/seniorfitness.blog\/wp-content\/uploads\/2017\/01\/2017-01-BMI-BoA8-05.jpg?resize=228%2C300&amp;ssl=1 228w\" sizes=\"auto, (max-width: 308px) 100vw, 308px\" \/><figcaption id=\"caption-attachment-467\" class=\"wp-caption-text\">Sammenh\u00e6ng mellem BMI og relativ risiko for d\u00f8d for forskellige aldersgrupper: 70-74 \u00e5r, 75-79 \u00e5r &amp; =&gt;80 \u00e5r. Fra Biology of Aging.<\/figcaption><\/figure>\n<p>Som det ses af ovenst\u00e5ende kurve\u00a0er der en stigning i risikoen for at d\u00f8 hvis BMI ligger under 20 og hvis den overstiger 25. Stigningen er moderat i for v\u00e6rdier p\u00e5 25-30, men bliver markant n\u00e5r tallet n\u00e6rmer sig og overstiger 30. S\u00e6rligt for m\u00e6nd stiger risikoen for d\u00f8d drastisk n\u00e5r BMI indikerer sv\u00e6r fedme.<\/p>\n<p>Der skal dog tages h\u00f8jde for, at der ikke er en ensartet sammenh\u00e6ng mellem BMI og sygdom\/d\u00f8d for alle aldersgrupper. Der findes videnskabelige arbejder, som konkluderer, at der fx for \u00e6ldre som er &gt;70 \u00e5r ikke er livsforl\u00e6ngende egenskaber ved at tabe sig fra et BMI p\u00e5 &gt;25-30, til niveauet for normalv\u00e6gtige. Som \u00e6ldre skal man ogs\u00e5 v\u00e6re opm\u00e6rksom p\u00e5 en \u00f8get helbredsrisiko ved at v\u00e6re underv\u00e6gtig.<\/p>\n<p>&nbsp;<\/p>\n<p>S\u00e5 hvis man er \u00e6ldre, med lidt ekstra p\u00e5 sidebenene er det formentlig fornuftigst at fokusere p\u00e5 en sund livsf\u00f8relse, hvor der t\u00e6nkes over kost og motion. Det at tabe sig skal her kun v\u00e6re m\u00e5let af kosmetiske \u00e5rsager.<\/p>\n<p>&nbsp;<\/p>\n<hr \/>\n<p>Kilde:<\/p>\n<p>Biology of Aging. <span lang=\"EN-US\">Roger B. McDonald. Garland Science 2014<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<div class=\"mh-excerpt\"><p>Ratioen mellem v\u00e6gt og h\u00f8jde benyttes som et m\u00e5l for at estimere om man er normalv\u00e6gtig eller overv\u00e6gtig. For nogle personer vil BMI-v\u00e6rdien v\u00e6re misvisende, <a class=\"mh-excerpt-more\" href=\"https:\/\/seniorfitness.blog\/?p=462\" title=\"BMI &#8211; Body Mass Index\">[&#8230;]<\/a><\/p>\n<\/div>","protected":false},"author":1,"featured_media":466,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":true,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[12],"tags":[102,103,89,90],"class_list":["post-462","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-baggrund","tag-bmi","tag-body-mass-index","tag-fedme","tag-overvaegt"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/seniorfitness.blog\/wp-content\/uploads\/2017\/01\/2017-01-BMI.jpg?fit=460%2C341&ssl=1","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p8lpEz-7s","jetpack-related-posts":[],"_links":{"self":[{"href":"https:\/\/seniorfitness.blog\/index.php?rest_route=\/wp\/v2\/posts\/462","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/seniorfitness.blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/seniorfitness.blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/seniorfitness.blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/seniorfitness.blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=462"}],"version-history":[{"count":8,"href":"https:\/\/seniorfitness.blog\/index.php?rest_route=\/wp\/v2\/posts\/462\/revisions"}],"predecessor-version":[{"id":565,"href":"https:\/\/seniorfitness.blog\/index.php?rest_route=\/wp\/v2\/posts\/462\/revisions\/565"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/seniorfitness.blog\/index.php?rest_route=\/wp\/v2\/media\/466"}],"wp:attachment":[{"href":"https:\/\/seniorfitness.blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=462"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/seniorfitness.blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=462"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/seniorfitness.blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=462"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}