Someone claiming to be an “expert” on high intensity training posted this video of “perfect form” on arm curl “21s” performed with chains. I explain why this is a great example of how not to perform arm curls.
If you would like to see how arm curls should be performed, I explain and demonstrate these and many other machine, free weight, and bodyweight exercises in The HIT List.
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Another reminder that is does simply come down to diligence, attention to safe, biomechanical positioning/form, then the focus of your of will against the temporary discomfort. Using the the resistance to help do something to your muscles. Thank you for the steadfast, continuing sharing of knowledge Drew.