Upper Arms Exercise · EZ Barbell

EZ Bar Seated Close Grip Concentration Curl form demonstration - targeted for Biceps Upper Arms workouts

EZ Bar Seated Close Grip Concentration Curl

A close grip on the ez-bar keeps the wrists in a more comfortable angle than a straight bar while still isolating the biceps in a seated, braced position that removes shoulder swing. It's a hybrid of a preacher curl and a concentration curl — strict, controlled, and not meant to be loaded heavy.

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Category
Upper Arms
Equipment
EZ Barbell
Target
Biceps

Exercise reference published by PlanWorkouts; see our editorial standards.

How to Do the EZ Bar Seated Close Grip Concentration Curl

  1. Take a seat on a bench with your feet planted on the floor and take an underhand grip on the EZ bar.
  2. Brace your elbow against the inner side of your thigh, just above the knee joint.
  3. Bend your elbow to curl the bar up toward your shoulder, keeping the upper arm fixed in place.
  4. Contract your biceps hard at the top, then reverse the motion to lower the bar back to the start.
  5. Perform for your targeted rep count, focusing on a deliberate tempo and maximum tension in the biceps.

Quick Exercise Facts

Movement Type Targeted (Isolation)
Equipment EZ Barbell
Main Muscle Biceps
Supporting Muscles Forearms

Target Muscle Activation

Biceps — Main Target
Forearms — Supporting
Stabilizers — Balance & Core

Recommended Sets & Reps by Goal

Build Muscle & Size 3 – 4 Sets × 10 – 15 Reps

Moderate weight · 60s rest

Tone & Shape 3 Sets × 15 – 25 Reps

Lighter weight · 30–45s rest

Form & Control 2 – 3 Sets × 12 – 15 Reps

Lower slowly for 3 seconds · 60s rest

Technique & Form Tips

Perform flexion at the elbow while keeping your setup steady and supported. Maintain the specific elbow placement demonstrated for your chosen variation, such as preacher, incline, or hammer curl, to ensure consistent mechanical load through the arc.

Common Mistakes to Avoid

  • Using hip momentum: Keep your torso stable to prevent swinging the load upward with your lower body.
  • Drifting elbows: Maintain the elbow position relative to your body as defined by your specific curl variant.
  • Lack of eccentric control: Lower the weight under control rather than letting it fall.

How to Breathe During This Exercise

Breathe steadily throughout the movement, ideally exhaling during the contraction phase.

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Comfort and Control

Choose a load and range you can control. Stop if the movement causes pain. If discomfort persists, stop and ask a qualified professional about an appropriate exercise and range.

General guidance: Mayo Clinic on weight-training technique. Follow the specific movement steps above for this variation.

Muscles Worked

The EZ Bar Seated Close Grip Concentration Curl mainly targets your Biceps, with your Forearms helping support the movement.

More Upper Arms Exercises

More Biceps Exercises

Equipment Alternatives

Don't have ez barbell? These target the same biceps with different equipment.

FAQ

What muscles does the EZ Bar Seated Close Grip Concentration Curl work?
The EZ Bar Seated Close Grip Concentration Curl mainly works your biceps. Your forearms also works to help support and steady your body. Using good, smooth form makes sure you work the right muscles and avoid unnecessary strain on your joints.
What equipment do I need for the EZ Bar Seated Close Grip Concentration Curl?
You do the EZ Bar Seated Close Grip Concentration Curl with a ez barbell. Make sure your equipment is set up safely before starting. If you work out at home or have limited gear, check out our alternative exercises below.
What form mistake should I watch for on the EZ Bar Seated Close Grip Concentration Curl?
One mistake to watch for is using hip momentum: Keep your torso stable to prevent swinging the load upward with your lower body.. Use a comfortable range and a controlled return; reduce the load if you cannot maintain the demonstrated setup.
How many sets and reps should I perform on the EZ Bar Seated Close Grip Concentration Curl?
To tone and grow muscle, do 3 to 4 sets of 10 to 15 smooth reps with 60 seconds of rest, focusing on a full stretch and squeezing the muscle at the top of each rep.
What's a good alternative to the EZ Bar Seated Close Grip Concentration Curl?
The Biceps Leg Concentration Curl trains your biceps with body weight and a similar movement pattern. Review its form guide before substituting it, since setup and range of motion can differ.
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