Preacher biceps curls are a type of biceps exercise that targets the biceps muscles of the upper arm. This exercise is performed by sitting on a preacher bench with arms extended on the bench and a dumbbell in each hand. The arms should be held slightly below shoulder level with elbows bent. The user should then curl their arms up by flexing their biceps and then slowly lower the arms back to the starting position. This exercise should be done with a slow and controlled motion while focusing on squeezing the biceps muscles at the top of the movement. Preacher biceps curls can be done with one or two arms and can be incorporated into a variety of different workout routines.
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