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Biceps exercise · Isolation

Spider Curl

A curl done lying chest-down on an incline bench: your arms hang straight toward the floor in front of your body and you curl the weight up, working your biceps with nothing to swing.

Equipment

Primary muscles
Biceps
Secondary
Forearm flexors
Difficulty
Beginner
Logged as
Weight × reps
Spider Curl (Dumbbell)

Loads from YouTube only when you press play. The video is by an independent creator.

Why do it

Spider curls suit anyone who wants a strict curl with a strong squeeze at the top. With your arms hanging in front of your body, nothing can swing and the biceps works in a shortened position, the opposite of an incline curl, where your arms hang behind you for a deep stretch. Dumbbells let each wrist settle into its own angle and work the arms independently; the EZ bar is quicker to load heavier and keeps both arms moving together. Expect to use less weight than on standing curls.

How to do it (Dumbbell)

  1. Set an incline bench to 45-60 degrees and lie face down with your chest against the pad and your feet on the floor.

  2. Let your arms hang straight down, a dumbbell in each hand with your palms facing forward.

  3. Curl the dumbbells up toward your shoulders, moving only your forearms.

  4. Lower them slowly to full extension. With your arms hanging in front of you, there's nowhere to hide; no swing, no shoulder assistance.

Common mistakes

Lying too low on the bench

If your chest slips down the pad, your arms end up angled back toward the bench. Position yourself high enough that your arms hang straight down past the top.

Swinging the elbows forward

Bringing your elbows forward to finish the curl turns it into a front raise. Keep your upper arms vertical and move only your forearms.

Skipping the squeeze at the top

The top is where this curl earns its place. Hold a brief squeeze before you lower instead of letting the weight drop straight back.

Lifting your chest off the pad

Raising your torso to help the weight up adds a little body swing. Keep your chest on the bench throughout.

Sets, reps and progression

How many sets you do and how close to failure you take them depend on your goal and your week, not on the exercise. These guides cover it:

  • How Many Sets Per Week to Build Muscle
  • How Close to Failure Should You Train?
  • How Much Weight to Add and When to Add It

Alternatives that train the same thing

Same movement, a different angle or piece of equipment.

Biceps Curl

Machine, Cable, Dumbbell

A straightforward curl that works with almost any equipment.

Programs and guides that use it

How to Get Bigger Arms: Biceps and Triceps Training