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Liftworthy

Every exercise ranked by research, by lifters and by results. Find what’s S-tier for your goal, then train it.

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Explore/Biceps/Compare

For biceps growth

Preacher Curl vs Spider Curl

For biceps growth, preacher curl rates higher on our research criteria: more stretch.

Spider curl is easier on the joints.

Both are good choices that train the biceps the same way, so they swap freely. Rotating between them every few weeks is an easy way to vary your training.

A
#6
of 19
Preacher Curl
Barbell
A
#11
of 19
Spider Curl
Dumbbell
Research score
79
70
Target tension
Excellent
Excellent
Loaded stretch
Strong
Weak
Progression
Strong
Strong
Low cost
Good
Excellent
See the full biceps ranking
What these mean
Target tension.
Whether the muscle you’re training is what gives out first, not your grip, balance or other muscles.
Loaded stretch.
How hard the muscle works while stretched. Training it there is linked to more growth.
Progression.
How easily you can keep adding weight in small steps over months and years.
Low cost.
How easy it is on your joints and recovery, and how quickly you can learn it.

The research score comes from these, scored by hand from the studies. Lifter scores appear once an exercise has 10 ratings. How scores work

When each one fits

Good reasons to choose preacher curl

  • You want more load on the biceps while they’re stretched

Good reasons to choose spider curl

  • You train at home
  • You want something easier on your joints
Preacher Curl
Spider Curl
You need
EZ bar, bench
Dumbbells, bench
Skill
Easy to learn
Easy to learn
Type
Isolation
Isolation
Why they rank where they do

Preacher Curl. Big stretch, but bouncing out of the bottom is where elbows get tweaked.

Spider Curl. Hardest at the top, where the biceps is shortest.

Questions

Which is better for biceps growth, preacher curl or spider curl?

For biceps growth, preacher curl rates higher on our research criteria: more stretch. Spider curl is easier on the joints. Both are good choices that train the biceps the same way, so they swap freely. Rotating between them every few weeks is an easy way to vary your training.

Is preacher curl or spider curl easier to learn?

About the same: both are easy to learn.

Can you do preacher curl or spider curl at home?

Preacher curl needs an EZ bar and a bench, so for most people it’s a gym exercise. Spider curl needs dumbbells and a bench, so a home gym covers it.

Which is easier on the joints, preacher curl or spider curl?

Spider curl: it rates Excellent for joint and recovery cost in our research rubric, against Good for preacher curl.

More comparisons

  • Preacher Curl vs Rope Hammer Curl
  • EZ-Bar Curl vs Preacher Curl
  • Dumbbell Curl vs Preacher Curl
  • Barbell Curl vs Spider Curl
  • Dumbbell Curl vs Spider Curl
  • Rope Hammer Curl vs Spider Curl
Preacher CurlSpider CurlAll biceps exercises