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Leg Extension Standards for Men and Women (lb) - Strength Level
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Frontiers | Establishing Reference Values for Isometric Knee Extension and Flexion Strength
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Cybex Eagle NX Leg Extension | Life Fitness
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These Are the Best Strength Standards on the Internet | Legion
How Much Weight Can the Average Man Lift? | livestrong
Promaxima Weight Lifting - Raptor Leg Extension P-5100 - Total Body Experts
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