Biceps, Hyperstrike Exercise Videos

PowerBlock Alternating Hammer Curl — Seated

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Muscle Groups
  • Biceps
  • Brachioradialis (Deep biceps and forearm muscle) strength.


The PowerBlock Alternating Hammer Curl — Seated performed while seated helps build wrist and forearm strength. At the same time this exercise develops the brachioradialis. This exercise is a great way to finish your biceps workout. Replacing the bench with a swiss ball would increase the demand on your core muscles. Therefore you can work your biceps and your abs at the same time.


  • Seated on the bench with your torso stabilized, hold the dumbbells like hammers down at your sides.
  • Keep your chest up and your elbows braced at your sides at all time.
  • Starting with one arm, bend the elbow and pull the dumbbell up to the shoulder, and then lower it.
  • Repeat with the other side.


  • Letting the elbows move forward instead of keeping them back against the torso.
  • Leaning back excessively.
  • Swinging the body.