Prone W's
A prone shoulder stability exercise that strengthens the lower trapezius and external rotators to improve posture. By lifting your arms into a "W" shape, you actively combat rounded shoulders and enhance scapular control.
Iridium programs this movement to accumulate volume for the lower trapezius and rhomboids without adding significant systemic fatigue. The algorithm analyzes your 7-day workout history to insert these stabilizers when primary back movers are resting or as a specific finisher after heavy compound pulling. RPE targets are typically calibrated to prioritize muscular endurance and control over raw strength production.
Form Cues
- Lie face down with your chest supported and head neutral
- Bend your elbows to create a 'W' shape with your arms
- Squeeze your shoulder blades down and back towards your pockets
- Rotate your thumbs toward the ceiling as you lift
- Hold the top contraction for 1-2 seconds
- Don't shrug your shoulders up towards your ears
- Don't extend your lower back to lift your torso
- Don't jut your chin forward during the lift
- Don't allow your hands to drop lower than your elbows
- Don't use momentum to swing into position
Common Mistakes
- Overusing the upper trapezius (shrugging)
- Compensating with lumbar extension
- Leading with the hands instead of the elbows
- Holding the breath during exertion
- Failing to maintain external rotation
Muscles Worked
This exercise specifically isolates the middle and lower trapezius along with the rhomboids, which are essential for scapular depression and retraction. It also recruits the posterior deltoids and the external rotators of the rotator cuff, providing critical structural balance for those who press heavy weights.
Primary
Secondary
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