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Bicep Curl Machine. The bicep curl machine is one of the best exercises to help beginners understand the action of the bicep muscle. Using an arm curl machine ensures that your biceps get an intense workout. There are many differe.
Located in the front of your arm between your shoulder and elbow, your bicep is a split muscle that works in isolation and assists your back muscles. The primary action is to flex, or bend your elbow, bringing your forearm toward your upper arm.n addition, your biceps help your back pull things toward you and helps lift your upper arm. A secondary bicep movement is to supinate or turn your wrist bringing your palm up. Basic bicep exercises include curls and pull-ups or chin-ups.