Cams, Chains and Bands: How Variable Resistance Actually Works, Why It Ranked First for Squat Strength Across 27 Trials - and Why It Adds Nothing for Muscle Size
3 days ago
4 min read
Cam machines, chains and bands all promise the same thing: a load that changes through the movement so the muscle is challenged where it is strong and spared where it is weak. The physics is simple once you see it, and the more useful question is whether a changing load changes results. A 2026 network meta-analysis gives the first ranked answer for strength and power.
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