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        <title>Marroh Studio & MaGymus Blog (English)</title>
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        <description>Analyses, algorithms, and exercise science for dedicated strength athletes.</description>
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            <title><![CDATA[Offline-First Fitness: Why Your Training Data Does Not Belong in the Cloud]]></title>
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            <pubDate>2026-09-14</pubDate>
            <description><![CDATA[Workout weights, body metrics, and progress photos are sensitive health data under Article 9 GDPR. Why an offline-first architecture is the only secure future for fitness apps.]]></description>
            <category>Privacy & Architecture</category>
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            <title><![CDATA[Multi-Gym Normalization: Making Resistance Machines Truly Comparable]]></title>
            <link>https://marrohstudio.com/blog/en/multi-gym-normalization-compare-gym-machines.html</link>
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            <pubDate>2026-09-14</pubDate>
            <description><![CDATA[Why weight stacks across different gyms are physically incomparable, and how Epley-based calibration ensures seamless progressive overload for traveling lifters and multi-gym members.]]></description>
            <category>Biomechanics & Training</category>
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            <title><![CDATA[Deterministic Smart Coach vs. AI Hallucinations in Strength Training]]></title>
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            <pubDate>2026-09-14</pubDate>
            <description><![CDATA[Why probabilistic Large Language Models fail at calculating lifting loads, and why deterministic rule-based algorithms are revolutionizing progressive overload in strength training.]]></description>
            <category>AI & Algorithms</category>
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