REXUM
Login
Exercises/Upper Back/One Arm Pull-up

Exercise

ONE ARM PULL-UP

AdvancedPrimaryUpper BackSecondaryBicepsDeltoids

Form cues

The non-working arm can rest at the side, hold the wrist, or grip the forearm — all valid for different difficulty levels
Grip the bar slightly to the side of shoulder center to account for the angled pulling direction
The body rotates slightly inward toward the working arm as the elbow pulls down and back
Full range: start from a dead hang, elbow fully bent at the top
Building prerequisites: achieve 15–20 strict pull-ups, then add significant weight before attempting one-arm work

The one arm pull-up is one of the most demanding calisthenic movements, requiring exceptional unilateral pulling strength across the lat, teres major, biceps, and all associated back musculature. Very few athletes can perform this movement, and those who can have typically spent years building the prerequisite strength through weighted pull-ups, archer pull-ups, and one-arm negatives. It stands as one of the clearest measures of relative upper-body strength.


Step-by-step technique

01

Position Under the Bar

Stand below the bar and position yourself at approximately 45° to it, with the working shoulder aligned under the bar.

02

Grip with One Hand

Grip the bar with one hand using an overhand shoulder-width grip. Place the other arm beside the body or grip the working wrist.

03

Dead Hang Position

Hang at full arm extension to a dead hang position.

04

Pull Up with Elbow Drive

Pull your body up by driving the elbow down and back, allowing the body to rotate slightly inward.

05

Continue to Full Range

Continue pulling until the elbow is fully bent and at your side — this is the full range.

06

Lower to Dead Hang

Lower with control to the dead hang position before the next rep.


What goes wrong — and why

Mistake

Attempting without prerequisite strength

Lifters attempt the one-arm pull-up prematurely and either fail to move or risk shoulder injury from the extreme load.

Build to a weighted pull-up of 50–70% of bodyweight added before attempting one-arm work. This ensures the muscles, tendons, and connective tissue are prepared.

Mistake

Using excessive body swing

A kip or body swing is used to assist the pull, which is unsafe at this load level and bypasses the strength development.

All progression toward a one-arm pull-up should be strict — negatives, assisted attempts, and archer pull-ups should all be performed without momentum.

Mistake

Elbow traveling forward rather than back

The elbow moves toward the body in a curl-like path rather than down and back toward the hip.

Think "pull the elbow toward the hip pocket" rather than "curl the hand to the chin." The lat pulls the elbow toward the body — the bicep is secondary.


Adaptations for every level

Regression

Archer Pull-up

Grip the bar with both hands wide apart. Pull toward one hand while the opposite arm stays extended — trains unilateral pulling with bilateral support.

Regression

One Arm Negative

Jump to the top position on one arm and lower slowly with control — builds eccentric strength specific to the one-arm pull-up.

Progression

One Arm Pull-up with Leg Hook

Hook one leg around the working arm to reduce effective bodyweight slightly while building toward the full unassisted one-arm pull-up.