Palm Up Palm Down Arm Rotation

Beginner Mobility

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A standing shoulder mobility drill: straight arms held out to the sides turn palms up as they lower, then palms down as they rise back to shoulder height. Warms up the side delts and the rotator cuff.

Also known as: palm up palm down rotation, palms up palms down arm rotation, arm rotation raise

How to do the Palm Up Palm Down Arm Rotation

  1. Stand tall, arms out to the sides, palms down.
  2. Lower your arms halfway while turning your palms up.
  3. Raise back to shoulder height, turning palms down.
  4. Move slowly, arms straight throughout.
Full technique — 6 steps
  1. Stand tall with feet about hip width apart and raise both straight arms out to the sides, just above shoulder height, palms down.
  2. Set your shoulders down and keep your arms straight.
  3. Slowly turn your arms so your palms face forward and up as you lower them about halfway to your sides.
  4. Pause briefly with your palms turned up.
  5. Raise your arms back to just above shoulder height as you turn your palms to face the floor.
  6. Turn the whole arm from the shoulder instead of twisting only at the wrists.

Common mistakes

  • Twisting only at the wrists
  • Shrugging shoulders during the raise
  • Bending the elbows during the turn
  • Rushing through the rotation
  • Swinging the torso for momentum

Form cues

  • Keep shoulders down
  • Turn from the shoulder
  • Keep elbows straight
  • Keep torso quiet
  • Move slowly

Quick answers

What muscles does the Palm Up Palm Down Arm Rotation work?

Primary: Side delts 7/10, Rotator Cuff 6/10. Also works: Traps 4/10, Supraspinatus 4/10, Forearms 3/10.

When should I do the Palm Up Palm Down Arm Rotation in a workout?

Warm-up. Done at the start to get the body ready. ≈ 2 min with rest.

How many sets and reps of the Palm Up Palm Down Arm Rotation?

Strength: 1–2 sets of 10–15 reps, rest 30 s, 6 reps in reserve. Muscle growth: 1–2 sets of 10–15 reps, rest 30 s, 6 reps in reserve. Endurance: 1–2 sets of 15–20 reps, rest 30 s, 5–6 reps in reserve.

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