Preacher Curls Overview
The preacher curls move builds your biceps. Your biceps are the muscles on the front of your upper arms. You rest your arms on a slanted pad and curl the weight up. The pad stops you from swinging. That makes your biceps do the work. It also works your forearms. You can use a barbell or dumbbells and a preacher bench. The preacher curls move gives your biceps a strict, clean curl. The pad blocks cheating, so you feel the muscle work. It also stretches your biceps at the bottom. That stretch helps them grow. It takes some practice, so it suits lifters past the start. Put it on an arm day or a pull day. Move slow and control the weight.
What Is The Point of the Preacher Curls?
Preacher curls isolate your biceps better than regular curls. The bench stops you from swinging and forces your biceps to do all the work.
How To Do The Preacher Curls
- Set up at the preacher bench and adjust the seat so your armpits rest comfortably at the top of the angled pad. Sit down with your chest against the pad and your upper arms lying flat on the angled surface.
- Grab the barbell or dumbbells with an underhand grip, hands about shoulder-width apart. Let your arms extend down the pad so they are almost fully straight, with just a slight bend to keep tension.
- Set your shoulders down and brace your core. Keep your upper arms pinned to the pad throughout, since the pad's job is to stop you from cheating with momentum.
- Take a breath and curl the weight up by contracting your biceps. Keep your wrists straight and your elbows firmly planted on the pad as the weight rises.
- Curl until your forearms are roughly vertical and you feel a strong contraction in your biceps. Do not swing your body or lift your elbows to gain height.
- Squeeze your biceps hard at the top for a full second. The preacher bench keeps your arms in front of you, which gives a great peak contraction, so make the most of it.
- Lower the weight back down slowly and under control over about two to three seconds. This lowering phase against the angled pad is where the biceps get a strong stretch.
- Stop just short of fully straightening your arms at the bottom to keep tension on the biceps and protect your elbows. Then begin the next rep.
- Breathe out as you curl and in as you lower, and aim for around 8 to 12 reps per set for solid biceps development.
Preacher Curls Form Tips
- Rest your chest on the pad. Do not lift off it.
- Keep your elbows on the pad the whole set.
- Keep your wrists straight. Do not curl them in.
- Curl up until your biceps fully squeeze.
- Lower slow and controlled. Do not drop the weight.
- Stop just short of straight arms at the bottom.
- Keep your upper arms still. Only your forearms move.
- Squeeze your biceps at the top for a second.
- Breathe out as you curl. Breathe in as you lower.
Common Mistakes to Avoid for the Preacher Curls
- Fully straightening your arms hard at the bottom. Snapping to a locked, dead-straight position on the angled pad puts a nasty strain on your elbow tendons. Stop just short of full extension to keep tension on the biceps and protect the joint.
- Lifting your elbows off the pad to help. Raising your upper arms lets your shoulders swing the weight and takes the work off your biceps. Keep your elbows and upper arms pinned to the pad for every rep.
- Using too much weight and cheating the reps. Overloading forces you to bounce out of the bottom and heave with your body. Pick a weight you can curl cleanly through the full range, then add load slowly over time.
- Bouncing out of the bottom of each rep. Using a rebound at the stretched position relies on momentum and puts big stress on your elbows. Lower under control, pause, and curl up with your muscles rather than a bounce.
- Rushing the lowering phase. Dropping the weight fast throws away the eccentric, which under the preacher's stretch is prime muscle-building tension. Lower slowly over two to three seconds and feel the biceps stretch.
- Bending your wrists back as you curl. A cocked-back wrist shifts strain to your forearms and leaks power from your biceps. Keep your wrists straight and stacked so the biceps do the work.
- Cutting the range of motion short at the top. Not curling all the way up misses the strong peak contraction the preacher bench offers. Curl until your forearms are near vertical and squeeze hard.
- Swinging your torso to move the weight. Rocking your body forward and back to fling the weight up defeats the whole purpose of the preacher bench. Keep your chest against the pad and stay still.
- Setting the seat at the wrong height. A seat too low or high pulls your armpits off the pad or cramps your position. Adjust it so your armpits rest at the top of the pad with your arms lying flat.
- Skipping the squeeze at the top. Blowing past the top position wastes the great peak contraction this exercise provides. Pause and squeeze your biceps hard for a full second before lowering.
- Curling with your grip too wide or too narrow. An awkward grip width can strain your wrists and shift the emphasis oddly. Set your hands about shoulder-width apart with a comfortable underhand grip.
Preacher Curls Workout Tips
- Keep your upper arms pinned to the pad the whole time. The preacher bench exists to stop you cheating, so let it do its job and keep the tension on your biceps.
- Chase the mind-muscle connection with your biceps. Think about squeezing your biceps to curl the weight rather than just moving it, since feeling the muscle work is key to building it.
- Add a full one second squeeze at the top of every rep. The preacher position gives a great peak contraction, so make the most of it with a hard squeeze.
- Control the lowering phase over two to three seconds. A slow eccentric against the angled pad gives your biceps a strong loaded stretch that drives growth.
- Stop just short of locking out at the bottom. Keeping a slight bend protects your elbow tendons and keeps constant tension on the biceps.
- Keep your wrists straight and stacked throughout. A neutral wrist keeps the work in your biceps instead of leaking into your forearms.
- Program preacher curls after your bigger compound pulls. They are an isolation move, so save your energy for rows and pulldowns first, then finish the biceps.
- For size, work in the 8 to 12 rep range for 3 to 4 sets. Keep the reps controlled and the squeeze strong at the top.
- Try single-arm dumbbell preacher curls to fix imbalances. Working one arm at a time makes sure your weaker side does its full share of the work.
- Progress by adding small amounts of weight while keeping strict form. Steady progressive overload with clean reps is what builds bigger biceps over time.
- Use an EZ bar if a straight bar bothers your wrists. The angled grip is easier on the joints while still hammering the biceps.
- Try a slow negative or a pause at the stretched position on your last set. Emphasizing the stretch cranks up the challenge and the growth stimulus.
- Do not swing or rush your reps. Slow, controlled curls with a real squeeze build far more than fast, bouncy ones.
- Warm up your elbows and biceps before loading up. A few light curls prepare the tendons for the stretch under load.
- The preacher curl is one of the best moves for building the lower biceps and a full peak. Adding it fills out the part of the arm regular curls can miss.
- Be patient and consistent. Biceps grow slowly, so weeks of clean, well-squeezed preacher curls are what finally add real size to your arms.
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