The EZ bar drag curl is a curl variation where the bar is dragged straight up the front of your body, elbows traveling backward instead of staying fixed. This path takes the front delts out of the movement and keeps peak tension on the biceps, especially the long head, while the EZ bar's angled grip spares the wrists. Lifters use it to feel the biceps working when regular curls have gone stale or shoulder takeover is a problem.
The drag curl shines as a finishing movement rather than a primary biceps builder, since its shortened range of motion means it cannot move as much load as a standard curl. Slot it in for 2 to 3 sets of 10 to 15 reps at the end of an arm or pull day, after you have already done a full range-of-motion curl variation like a standard EZ bar curl or dumbbell curl.
Because the elbows travel behind the torso, this variation emphasizes the peak contraction and short head of the biceps differently than a curl performed in front of the body. Drop the weight 20 to 30 percent below what you use for regular EZ bar curls, since the leverage is genuinely harder even though the range is shorter. Two arm training days per week is plenty; the biceps recover quickly but do not need daily direct work to grow.
That is correct technique, not a limitation. Keeping the elbows pinned behind the torso naturally caps the range around lower chest height; forcing it higher means the elbows are sliding forward and you have turned it into a regular curl.
If your biceps training already includes a full range-of-motion curl, yes, adding a drag curl gives the muscle a different contraction pattern and can help break through plateaus. It is not essential, but it is a useful variation.
Two to three focused sessions per week, with a few different curl variations spread across them, is enough for most lifters. More frequency rarely beats consistent, moderate volume for arm growth.
Log your ez bar drag bicep curl sets in 1RM.fit and watch your estimated 1RM update automatically as you get stronger.