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Adults lose roughly 3–8% of muscle mass per decade from their thirties, and faster after sixty. The loss is not inevitable at that rate — resistance training and adequate protein slow it sharply, at any age.

Sarcopenia

HealthScience

Why it matters

The idea in context

Sarcopenia is age-related loss of muscle mass and strength, and it matters far beyond appearance: muscle underpins balance, blood sugar regulation, bone loading and the ability to get up unaided. Trials in people in their eighties and nineties, including nursing-home residents, have produced substantial strength gains within weeks of starting supervised resistance work. Protein needs rise rather than fall with age, because older muscle responds less readily to the same amount. It is one of the few declines with a genuinely well-evidenced countermeasure.

Türkçe

Aynı kart, başka bir dilde.

Yetişkinler otuzlu yaşlarından itibaren on yılda kabaca %3-8 kas kütlesi kaybeder, altmıştan sonra daha hızlı. Kayıp bu hızda kaçınılmaz değildir — direnç antrenmanı ve yeterli protein, her yaşta bunu belirgin biçimde yavaşlatır.
Sarkopeni

Sarkopeni, yaşa bağlı kas kütlesi ve güç kaybıdır ve görünümün çok ötesinde önem taşır: Kas; dengeyi, kan şekeri düzenlemesini, kemiğin yüklenmesini ve desteksiz ayağa kalkabilmeyi ayakta tutar. Bakımevi sakinleri dahil seksenli ve doksanlı yaşlardaki insanlarda yapılan denemeler, gözetimli direnç çalışmasına başladıktan haftalar sonra kayda değer güç artışları üretti. Protein ihtiyacı yaşla azalmaz artar, çünkü yaşlı kas aynı miktara daha zor yanıt verir. Gerçekten iyi kanıtlanmış bir karşı önlemi olan az sayıdaki gerilemeden biridir.

Source trail

Read beyond the card.

Background reading: SarcopeniaAttribution and context are revised when stronger evidence appears. Corrections are welcome through the editorial page.
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