Arm curl

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The GymWorks Manhattan biceps curl machine uses a stack of weight plates as the resistance but its main attraction is the isolateral movement it allows, meaning you can exercice each arm independently. There are more muscles involved in the biceps curl than you may have thought. When your brachialis, deltoid, extensors and flexors are engaged and working in unison, they can all contribute -- not just to a set of defined upper arms, but forearms and shoulders as well.

Our expert review on the arm curl Manhattan from the brand GymWorks

You sit on a padded seat and wedge your triceps on the padded rests. Adjust the seat to the appropriate height, make your weight selection and grasp the handles. This will be your starting position. Perform the movement by flexing the elbow. Pause at the top of the movement, and then slowly return the weight to the starting position. Avoid returning the weight all the way to the stops until the set is complete to keep tension on the muscles being worked.

Non-contractual image.