<?xml version="1.0" encoding="UTF-8"?><rss xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:atom="http://www.w3.org/2005/Atom" version="2.0"><channel><title><![CDATA[OptimalU]]></title><description><![CDATA[OptimalU: Your Journey to Wellness Begins Here]]></description><link>https://www.optimalu.org/blog</link><generator>RSS for Node</generator><lastBuildDate>Sat, 18 Jul 2026 13:41:50 GMT</lastBuildDate><atom:link href="https://www.optimalu.org/blog-feed.xml" rel="self" type="application/rss+xml"/><item><title><![CDATA[What Actually Makes You Stronger]]></title><description><![CDATA[Getting stronger isn't just "lift heavy things." Strength is built through two core training principles and four distinct adaptive systems in the body — and understanding them changes how you should structure your training. Specificity Comes First The most important principle in strength training is specificity: your training has to stimulate the exact systems that produce the performance you want. Specificity exists on a spectrum. Practicing the competition lift itself is the narrowest and...]]></description><link>https://www.optimalu.org/post/what-actually-makes-you-stronger</link><guid isPermaLink="false">6a5717ccaa2c7341eb4cecb0</guid><category><![CDATA[Muscle Growth]]></category><category><![CDATA[Physical Training]]></category><pubDate>Thu, 16 Jul 2026 23:30:31 GMT</pubDate><enclosure url="https://static.wixstatic.com/media/b56377_cdd1e64e5d3b448bb9aca4e16e53b03c~mv2.png/v1/fit/w_1000,h_780,al_c,q_80/file.png" length="0" type="image/png"/><dc:creator>Kyle J.</dc:creator></item><item><title><![CDATA[Flexibility and Range of Motion: The Overlooked Growth Tool]]></title><description><![CDATA[Mobility work usually gets framed as injury prevention — something you do separately from "real" training. But range of motion (ROM) isn't just a mobility concern; it's one of the direct stimulators of muscle growth. How far you move a muscle under load has a measurable effect on how much it grows, and improving your flexibility can directly expand your capacity to build muscle. Here's how ROM, flexibility, and hypertrophy connect — and what to actually do about it. Why Range of Motion...]]></description><link>https://www.optimalu.org/post/flexibility-and-range-of-motion-the-overlooked-growth-tool</link><guid isPermaLink="false">6a5705d9d8fe04e92618f570</guid><category><![CDATA[Flexibility/Mobility]]></category><category><![CDATA[Physical Training]]></category><pubDate>Wed, 15 Jul 2026 04:01:41 GMT</pubDate><enclosure url="https://static.wixstatic.com/media/b56377_3a1c8f1498ab4ff68222dfc332664b18~mv2.png/v1/fit/w_1000,h_784,al_c,q_80/file.png" length="0" type="image/png"/><dc:creator>Kyle J.</dc:creator></item><item><title><![CDATA[Why Protein Should Anchor Your Diet (And Where Carbs and Fat Fit In)]]></title><description><![CDATA[Ask ten people what matters most in a diet and you'll get ten different answers — calories, carbs, "clean eating," intermittent fasting. But once total calories are set, the research is clear on what matters next: protein is the macronutrient that moves the needle most for muscle, body composition, and performance. Carbohydrates and fat still matter, but they play supporting roles. Here's why, based on the nutritional science in The Renaissance Diet 2.0. Protein: The Building Block You Can't...]]></description><link>https://www.optimalu.org/post/why-protein-should-anchor-your-diet-and-where-carbs-and-fat-fit-in</link><guid isPermaLink="false">6a56fcc2aa2c7341eb4cacf0</guid><category><![CDATA[Nutrition]]></category><pubDate>Wed, 15 Jul 2026 03:24:44 GMT</pubDate><enclosure url="https://static.wixstatic.com/media/b56377_5baab600450b4ae8953c6b530bc48b3b~mv2.png/v1/fit/w_800,h_516,al_c,q_80/file.png" length="0" type="image/png"/><dc:creator>Kyle J.</dc:creator></item><item><title><![CDATA[The Science Behind Muscle Growth: What Actually Makes Muscles Grow?]]></title><description><![CDATA[If you've spent any time in a gym, you've heard the theories: lift heavy for "real" gains, chase the pump, or just get sore enough and you'll grow. The truth is that muscle growth (hypertrophy) isn't caused by one single thing — it's driven by a handful of measurable stimuli working together, some more powerful than others. Here's a breakdown of the main theories and stimulators of hypertrophy, and what they mean for how you should actually train. The Big Three: Tension, Metabolites, and Cell...]]></description><link>https://www.optimalu.org/post/the-science-behind-muscle-growth-what-actually-makes-muscles-grow</link><guid isPermaLink="false">6a56f4901f105173a091866c</guid><category><![CDATA[Muscle Growth]]></category><category><![CDATA[Physical Training]]></category><pubDate>Wed, 15 Jul 2026 02:53:34 GMT</pubDate><enclosure url="https://static.wixstatic.com/media/b56377_bde0f5b595de49f88968e986a235a490~mv2.png/v1/fit/w_1000,h_720,al_c,q_80/file.png" length="0" type="image/png"/><dc:creator>Kyle J.</dc:creator></item></channel></rss>