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sujudkumatiku
“Harusnya deadlift itu punggung tegak!” Pernyataan ini sering muncul, tapi apakah benar selalu harus tegak? Dalam biomekanika deadlift, posisi upper back (punggung atas) bisa bervariasi: bisa neutral, upright, bahkan sedikit rounded, tergantung struktur tubuh, tujuan latihan, dan distribusi beban. Yang penting adalah: 1. Posisi lower back tetap netral untuk menjaga tulang belakang dari lumbar flexion yang berisiko cedera. 2. Tegangan otot (tightness) tetap terjaga selama pergerakan. 3. Beban te...
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