Why range of motion matters

Chris Beardsley is a biomechanics researcher. He is also the editor of Strength and Conditioning Research. He is based in Loughborough, Leicestershire. If you walk into any gym, the chances are that the guy hanging from the chin-up bar isn’t doing full reps. Instead he’ll be doing some sort of juddering movement where the angle of his arms changes from bent to ever-so-slightly more bent. You probably mutter something about ‘terrible range of motion’ under your breath before starting your own workout, making sure you go to full extension and flexion on each rep. You do this because everybody knows…
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