One Arm Chin-Up exercise animation (Hombre)

One Arm Chin-Up

Músculo objetivo
Latissimus Dorsi
Músculos sinergistas
Biceps Brachii, Brachialis, Brachioradialis, Deltoid Posterior, Infraspinatus, Teres Major, Teres Minor, Trapezius Lower Fibers, Trapezius Middle Fibers
Equipamiento
Body weight
Parte del cuerpo
Back
Tipo
Strength

The one arm chin-up is an advanced bodyweight pulling exercise that targets the latissimus dorsi, with significant assistance from the biceps brachii, brachialis, brachioradialis, posterior deltoid, infraspinatus, teres major and minor, and the middle and lower trapezius fibers. It demands exceptional relative strength and body control, making it a benchmark achievement in calisthenics.

Cómo hacer el One Arm Chin-Up

  1. 1Stand beneath a pull-up bar and take an underhand (supinated) grip with one hand, positioning it so you hang directly beneath the working hand. Allow your body to settle into a dead hang with the arm fully extended.
  2. 2Let your free arm hang at your side or rest it across your torso. Do not place it on your thigh or use it to assist the working arm in any way.
  3. 3Depress and retract the shoulder of your working arm, pulling it away from your ear, before initiating the movement.
  4. 4Brace your core and squeeze your glutes to keep the body rigid and prevent swinging.
  5. 5Drive your elbow toward your hip, pulling your chest toward the bar by contracting the latissimus dorsi and biceps.
  6. 6Continue pulling until your chin clears the bar and your working elbow is at or below shoulder height.
  7. 7Hold the top position for a brief moment, maintaining full tension in the back and shoulder.
  8. 8Lower yourself under control back to a dead hang, taking 3–5 seconds for the descent.
  9. 9Complete your target reps, then step down or carefully release the bar.

Consejos de técnica

  • Build toward this movement progressively: establish 15–20 strict two-arm chin-ups, then develop archer chin-ups and controlled one-arm negatives before attempting the full rep.
  • Expect the body to rotate as you pull. Resist it by keeping the free arm pinned across your torso and driving straight up rather than twisting toward the bar.
  • A slight body lean toward the working arm helps center your mass over the pull and makes the movement mechanically cleaner.
  • Grip the bar deeply in the palm rather than at the fingertips to maximize wrist stability under the extreme load placed on a single hand.
  • Train the isometric hold at the top position as a standalone drill — building shoulder and elbow stability there is essential for performing controlled negatives and eventual full reps.

Errores comunes

  • Using the free arm to push against the leg or assist the pull in any way, which reduces the stimulus and masks real strength deficits.
  • Shrugging the working shoulder upward at the start of the pull, which shifts load away from the latissimus dorsi and places the shoulder joint in a vulnerable position.
  • Rushing the eccentric phase by dropping quickly from the top, which removes the eccentric overload that drives most of the progress toward the full rep.
  • Failing to brace the core and glutes, which allows the hips to swing and converts a strength movement into a kipping pattern.
  • Attempting the full movement without adequate prerequisite strength, which significantly increases the risk of biceps tendon or shoulder injury.

Preguntas frecuentes

What muscles does the one arm chin-up work?

The latissimus dorsi is the primary mover. The biceps brachii, brachialis, brachioradialis, posterior deltoid, infraspinatus, teres major, teres minor, and the middle and lower trapezius fibers all assist the movement.

What strength level do I need before attempting this?

You should be able to perform at least 15–20 strict two-arm chin-ups and complete slow one-arm negatives — lowering from the bar over 5 seconds with one hand — before training the full one arm chin-up.

What is the best progression toward the one arm chin-up?

A structured progression works best: weighted two-arm chin-ups to build base strength, then archer chin-ups to practice asymmetric loading, then one-arm negatives, then partial one-arm chin-ups from the top down, and finally the full movement. Each stage develops the strength and motor control needed for the next.

Should I use chalk or a wrist wrap?

Chalk improves grip security and is recommended once you begin handling the full load on one hand. Wrist wraps can add stability but should not substitute for building genuine grip and forearm strength through progressive training.

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