Exos | Formerly Core Performance

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Core Knowledge


Shoulder External Rotational @ 30 Degrees

Starting Position

  • Standing tall, chest up, abdominals drawn in, with shoulders perpendicular to the machine
  • The outside arm should be at your side with your elbow four inches away from your side and bent to 90 degrees while holding a handle


  • Without moving your elbow, rotate your hand outward
  • Return to start position and repeat for prescribed number of repetitions

Coaching Keys

  • Do not turn your body as your hand rotates out
  • Do not let your elbow straighten as you rotate your arm

You Should Feel It

  • Working the back of your shoulder

Tags: Shoulder, Stretching, Prehab