Static Back Extension - Muscle & Fitness

The static back extension builds strength in the lower back, hamstrings, and glutes. Performing the exercise with a static contraction increases muscular endurance.

Static Back Extension

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Static Back Extension - Muscle & Fitness

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Static-dynamic extension exercise at 40 % of 1RM. A, start position

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weightlifting - How does back extension work? - Physical Fitness Stack Exchange

Static Back Extension - Muscle & Fitness Muscle fitness, Back extensions, Muscular endurance

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