Resistance Band Standing Single Arm Lateral Shoulder Extension exercise animation (Mujer)

Resistance Band Standing Single Arm Lateral Shoulder Extension

Músculo objetivo
—
Equipamiento
Resistance Band
Parte del cuerpo
Shoulders
Tipo
Strength

The Resistance Band Standing Single Arm Lateral Shoulder Extension isolates the lateral deltoid by raising one arm out to the side against band tension. Working one shoulder at a time corrects left-to-right strength imbalances and builds the rounded, wide-shoulder look. It is an excellent accessory movement for anyone looking to develop shoulder width without loading the spine.

Cómo hacer el Resistance Band Standing Single Arm Lateral Shoulder Extension

  1. 1Stand with both feet on the center of the resistance band, feet hip-width apart, back straight, and core braced.
  2. 2Grip one handle (or the band itself) in one hand at your side, palm facing inward toward your thigh.
  3. 3Allow a slight, soft bend in your elbow and keep that angle fixed throughout the entire movement.
  4. 4Exhale and raise your arm out to the side in a smooth arc until your hand reaches shoulder height, keeping your palm facing the floor.
  5. 5Pause for a brief moment at the top when your arm is parallel to the floor, feeling the contraction in your lateral deltoid.
  6. 6Inhale and lower your arm back down under control, resisting the band's pull, until your hand returns to your side.
  7. 7Complete all reps on one side, then switch the band to your other hand and repeat for the same number of reps.

Consejos de técnica

  • Control the descent as deliberately as the lift — the slow, resisted return is where much of the muscle stimulus occurs.
  • Lead with your elbow rather than your wrist to keep tension on the lateral deltoid and out of the forearm.
  • Keep your shoulder blade down and away from your ear throughout the movement; shrugging bleeds tension into the trap instead of the deltoid.
  • Stand tall with a neutral spine — avoid leaning away from the working arm to compensate for a band that is too strong.
  • Choose a band resistance that allows you to raise your arm smoothly to shoulder height without jerking or using momentum.

Errores comunes

  • Raising the arm above shoulder height, which shifts load onto the upper trapezius and can impinge the shoulder joint.
  • Shrugging the working shoulder upward during the lift, reducing isolation of the lateral deltoid and placing unnecessary stress on the neck and upper trap.
  • Using a swinging or jerking motion to initiate the lift, which relies on momentum rather than the target muscle and reduces time under tension.
  • Locking the elbow fully straight, which places excessive stress on the joint — a slight, fixed bend protects the elbow and keeps tension where it belongs.
  • Standing off-center on the band so tension is uneven, causing the arm path to deviate and reducing consistent resistance throughout the range of motion.

Preguntas frecuentes

What muscles does this exercise work?

The primary muscle targeted is the lateral (middle) deltoid, which is responsible for lifting the arm out to the side. Because this is a single-arm isolation movement with a resistance band, no significant synergist muscles are loaded.

Is this exercise suitable for beginners?

Yes. A light resistance band makes it very beginner-friendly. Start with a band that lets you complete 12–15 reps with full control, then progress to a heavier band as your shoulder strength improves.

How many sets and reps should I do?

For hypertrophy and shoulder development, 3–4 sets of 12–15 reps per arm works well. Because the lateral deltoid is a smaller muscle group, it responds well to higher rep ranges and moderate tension rather than very heavy loads.

How is this different from using a cable machine for lateral raises?

A cable machine provides constant, linear tension throughout the movement. A resistance band increases tension as it stretches — meaning resistance is lighter at the bottom and heavier at the top. Both have value; bands are also portable and joint-friendly, making them ideal for home training or warm-ups.

Should I keep my palm facing down the whole time?

Facing your palm toward the floor (or angled very slightly downward) throughout the raise keeps the lateral deltoid in its strongest line of pull. Rotating your thumb up or down shifts emphasis away from the target muscle, so maintain a consistent grip angle for best results.

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