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How to do the Barbell Seated Close Grip Concentration Curl

BicepsBarbellIntermediate

The barbell seated close grip concentration curl strips away momentum and forces your biceps to do every ounce of the work, making it a precision tool for building peak and density. Master this movement and you will develop the kind of arm strength and control that carries over to every pull you will ever do.

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Muscles worked

Primary
Biceps
Secondary
BrachialisForearms

Step-by-step

  1. Sit at the edge of a bench, feet flat and wide, and hold a barbell with a close supinated grip about six inches apart, resting your upper arms against the inside of your thighs.
  2. Brace your core, pin your elbows firmly against your legs, and curl the barbell upward in a tight arc without letting your upper arms drift forward.
  3. Squeeze the biceps hard at the top for a full one-second contraction before beginning the descent.
  4. Lower the barbell under complete control back to full elbow extension, resisting the weight the entire way down.

Common mistakes

  • Rocking the torso to swing the weight up — eliminate momentum entirely by keeping your chest tall and letting only your forearms move.
  • Allowing the elbows to slide off the thighs mid-rep — press them firmly inward against your legs throughout the entire set to maintain isolation.
  • Using a grip that is too wide — a close grip is essential here to maximize supination and peak bicep engagement, so keep hands no more than six inches apart.

Pro tip — At the very top of each rep, actively rotate your pinkies upward as if pouring a pitcher of water — this final supination cue fires the short head of the bicep harder and sharpens the peak contraction beyond what the curl alone achieves.

Sets & reps by goal

Build muscle3–4 sets × 10–15 reps
Get stronger3–4 sets × 6–8 reps
Lose fat / tone3 sets × 12–20 reps

Rest: 60–90 sec between sets.

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