Y-T-W-L (prone, light DBs)

Lie prone, forehead down, move light hands through Y, T, W, and L.

family=y t w l prone light dbspattern=scapular controlforce=staticmechanic=isolationequipment=free_weight

Muscles

muscle emphasis · training guidance

upper backPRIME
rear delts68
lower traps56
Primary
upper back
Supporting
rear delts, lower traps

Mechanics

Pattern
scapular control
Equipment
dumbbell, bodyweight
Geometry
Variable Range
Target feel
Lower traps and rear delts guide the arms without low-back arching.
Progression
Add a slow pause at each letter before adding load.
Regression
Use bodyweight only if the neck or traps take over.

Watch for

  • Using heavy dumbbells
  • Shrugging every letter

Equipment context

Dumbbells allow a longer range of motion and independent arm movement, which can reveal side-to-side differences. Bodyweight exercises need no equipment, but progression depends on leverage and position rather than added load.

Substitutions

Progression ladder

  1. Beginner / regression: Use bodyweight only if the neck or traps take over.
  2. Standard: Y-T-W-L (prone, light DBs)
  3. Advanced / progression: Add a slow pause at each letter before adding load.

Atlas metrics

Movement pattern
scapular control
Primary target
upper back
Supporting muscles
rear delts, lower traps
Equipment
dumbbell, bodyweight
Joint geometry
Variable Range
Alternatives
3 substitutions

Evidence & limits

Last reviewed against peer-reviewed biomechanics references. Exercise descriptions are framed as training guidance, not medical advice.

Source: ExRx.net Exercise & Muscle Directory

Eccentryx is fitness software. It is not a medical device and is not intended to diagnose, treat, cure, or prevent any disease, injury, or medical condition. Consult a licensed physician before beginning any exercise program.

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FAQ

How do I set up Y-T-W-L (prone, light DBs)?
Lie prone, forehead down, move light hands through Y, T, W, and L.
What should I feel during Y-T-W-L (prone, light DBs)?
Lower traps and rear delts guide the arms without low-back arching.
What are common mistakes with Y-T-W-L (prone, light DBs)?
Using heavy dumbbells; Shrugging every letter
How do I progress Y-T-W-L (prone, light DBs)?
Add a slow pause at each letter before adding load.
What can I do instead of Y-T-W-L (prone, light DBs)?
Wall slide, Face pull, Band pull-apart

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Verified form media not published yet

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Movement family
y t w l prone light dbs
Force type
static
Graph edges
1360 Atlas movement links reviewed
Nearest visible substitute: Band pull-apart
  • nearest visible Atlas substitute found in 1 movement graph hop
  • movement graph path: Y-T-W-L (prone, light DBs) -> Band pull-apart
  • curated substitution in the Atlas
  • same movement pattern: scapular control
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