Relevant Background: Biceps curl is a general term for a series of strength exercises that involve brachioradialis, front deltoid and the main target on biceps brachii.[1] Includes variations using barbell, dumbbell and resistance band, etc. The common point amongst them is the trainee lifting a certain amount of weight to contracting the biceps brachii, and tuck in their arms to the torso during the concentric phase. Once the biceps brachii is fully contracted, then return the weight to starting position during the eccentric phase..
Overhead cable curl: Stand in the middle of a cable machine with two pulleys in shoulder-height level, grasp a stirrup handle in each hand. Raise both upper arms parallel with shoulders, and supinate the forearms to let the palms facing the torso. Drive the stirrups inwards until biceps are fully contracted, then return the stirrups to starting position for another repetition.[29]
Cable curl: Hold the bar that is attached to a pulley at the lowest level in a standing position, step a foot back from the pulley to create a comfortable angle for this exercise. Keep the elbows to the side of the torso and shoulders are fixed, then raise the bar towards shoulder until biceps are fully contracted. Return the bar back to the initial position for another repetition. [30]
Lying high cable curl: Lie prone on a bench that is under a cable machine with pully at the highest level. Grasp a bar that is attached to the pulley with a shoulder-width grip, and fully extend to elbows. Keep the upper arms fixed and curl the bar towards the forehead until the elbow is fully flexed. Then return the bar to starting position for another repetition." ("Bicep Curls", https://en.wikipedia.org/wiki/Biceps_curl)
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