Today's workout is walk and core.
Everybody's done a bicep curl — it's one of those staple moves you see people doing in every gym. Although the exercise is familiar, it's easy to do them incorrectly, and minor mistakes can make curls less effective, or even lead to injury by straining the back muscles.
But when performed correctly and consistently, the move does a great job of isolating the biceps, which ensures that you're actually working those muscles.
Learn the proper form for a bicep curl.
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