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90/90 External Rotation

IntermediateStrengthTier T2
90/90 External Rotation

With arm out to side at 90 degrees, rotate forearm up. Important for throwers and overhead athletes.

Targets: Shoulder
Muscles: Infraspinatus, Teres Minor

Stop if

Choose an easier exercise if pain reaches 6 out of 10 or becomes sharp. Stop and rest if pain reaches 8 out of 10.

This is the general ClapMove rule. This exercise has no extra stop rule of its own.

  • Pain 6 out of 10 or more: choose an easier exercise.
  • Pain 8 out of 10 or more: stop and rest.

Equipment needed

  • Works at home
  • Works at the gym

dumbbells

Home Options

  • dumbbells

No equipment? Try: Light dumbbell, Cable machine

Dosage

3

Sets

12

Reps / Time

45 sec

Rest

2 up / 1 hold / 3 down

Tempo

Step-by-Step Guide

Set up

  • Stand or lie on back
  • Arm out to side at shoulder height
  • Elbow bent 90 degrees
  • Start with forearm pointing toward floor
  1. 90/90 External Rotation - Step 1 of 5: Keep elbow at shoulder height

    Step 1 of 5

    Keep elbow at shoulder height

  2. 90/90 External Rotation - Step 2 of 5: Rotate forearm up toward ceiling

    Step 2 of 5

    Rotate forearm up toward ceiling

  3. 90/90 External Rotation - Step 3 of 5: Go until forearm is vertical or comfortable

    Step 3 of 5

    Go until forearm is vertical or comfortable

  4. 90/90 External Rotation - Step 4 of 5: Hold for 1 second

    Step 4 of 5

    Hold for 1 second

  5. 90/90 External Rotation - Step 5 of 5: Lower slowly with control

    Step 5 of 5

    Lower slowly with control

Breathing

  • Breathe out as you rotate up
  • Breathe in as you lower

Form Cues

  • Keep elbow at shoulder height
  • Don't let elbow drop
  • Move only at the shoulder
  • Control the lowering

Common Mistakes to Avoid

  • Elbow dropping below shoulder
  • Arching back
  • Using momentum
  • Going too far too fast

Safety Information

Important for throwers. Don't force past comfortable range.

Progressions

Add light weight (2-5 pounds)

Cuban PressAdvanced

Regressions

Lie on back or use no weight