Dumbbell Alternate Preacher Curl

Description

How to Do Dumbbell Alternate Preacher Curl

1. 1
   Setup

   Sit on a preacher bench with your chest against the pad, adjusting the seat height so your upper arms rest flat on the pad.

2. 2
   Setup

   Hold a dumbbell in each hand with an underhand grip (palms facing up), ensuring the back of your upper arms are pressed firmly against the preacher pad.

3. 3

   Keeping your left arm extended and still, exhale and slowly curl the right dumbbell upwards by contracting your bicep until it reaches a full contraction.

4. 4

   Inhale and slowly lower the right dumbbell back to the starting position, maintaining tension throughout the eccentric phase and stopping just before full elbow extension.

5. 5

   Repeat the curling movement with your left arm, alternating between arms for the desired number of repetitions per side.

Tips

• At the top of each curl, consciously squeeze your bicep for a moment to maximize peak contraction and muscle activation.
• Control the entire lowering phase of the movement for 2-3 seconds to increase time under tension and promote greater muscle growth.
• Keep your upper arms pressed firmly against the preacher pad throughout the movement to prevent unwanted shoulder movement and ensure strict bicep isolation.
• Ensure your elbows remain slightly bent at the bottom of the movement to maintain constant tension on the bicep and protect the elbow joint from hyperextension.

Common Mistakes

• ×Lifting your elbows off the pad reduces bicep isolation and engages other muscles; fix this by using a lighter weight and focusing on keeping your upper arms glued to the pad.
• ×Swinging the weight using momentum rather than muscle control decreases exercise effectiveness; fix this by slowing down the movement, especially the eccentric phase, and ensuring strict form.
• ×Hyperextending at the bottom by locking out the elbow too forcefully can strain the joint; fix this by stopping just short of a full lockout, keeping a slight bend in your elbow.