Scott Curl

Single-arm preacher work that exposes and corrects side-to-side differences.

BicepsPreacher bench + DumbbellIntermediate
Animated form guide for the scott curl — two-pose loop with the biceps highlighted
Worked muscles are highlighted. Loop runs continuously — scott curl, start to finish.

Setup

  1. Chest on the preacher pad, one dumbbell, arm over the front of the pad.
  2. Armpit pressed down.

How To Do It

  1. Curl the bell to the shoulder.
  2. Lower all the way to a straight arm under control.
  3. Finish the set before switching arms.

Breathing

Exhale on the curl.

Common Mistakes

  • Bouncing out of the stretched position.
  • Lifting the elbow off the pad to shorten the range.
Coach Sam's cue: Elbow glued, full range.

Programming It

Sets, reps and rest by training goal
GoalSetsRepsRest
Strength3–54–62–3+ min
Muscle3–48–1260–90 sec
Endurance / Conditioning2–315–2030–45 sec

Why This Exercise Works

Direct elbow flexion builds the biceps and brachialis through a full range under isolated tension.

Where It Fits in a Program

Single-arm preacher work that exposes and corrects side-to-side differences. Train it when you are fresh enough to execute it well — compound work early in a session, isolation and accessory work after. You should have a working base in the underlying pattern before loading this heavily. Add weight only when the current load is genuinely comfortable for all prescribed reps.

Progressing and Regressing It

To progress the scott curl: move up one increment, or slow the lowering to four seconds before going heavier. To regress it: drop one increment and add two reps, or perform it seated so balance stops being the limiter. Change one variable at a time.

Equipment and Substitutions

This version uses a preacher bench and a dumbbell. If that is unavailable, choose another exercise training the same muscles from the list below — the pattern matters more than the specific implement.

Related Exercises

Common Questions

What muscles does the scott curl work?

The barbell back squat primarily trains the legs, glutes, core. The listed muscles are highlighted in the animation above so you can see which tissue is producing the movement rather than guessing from the exercise name.

How many sets and reps should I do?

The scott curl is accessory work for the biceps, so it goes after your compounds. Three to four sets of ten to fifteen reps, sixty to ninety seconds rest.

What are the most common scott curl mistakes?

On the barbell back squat, the usual faults are letting the tempo run away on the lowering phase, loading beyond what the legs, glutes, core can control, and cutting the range short at the hardest point of the rep.

Do I need a preacher bench and a dumbbell to do this?

This version uses a preacher bench and a dumbbell. If you don't have that, use another exercise that trains the biceps through a similar range — the muscles and the movement pattern matter more than the specific piece of equipment.

Is this safe if I have an existing injury?

The scott curl loads the shoulder and lower back directly, so an existing problem there is the one to watch. If a rep reproduces your pain rather than normal training discomfort, stop and get it assessed. This is general fitness information, not medical advice.

Get the weekly breakdown

One email a week: what actually works in training and nutrition, minus the hype. No spam, unsubscribe anytime.

Form guide for educational purposes — not medical advice. New to training or working around an issue? Apply for coaching and get a plan built for your body.

Link copied — thanks for sharing