SHOULDERS · ISOLATION
TRX Y Fly
A suspension rear-shoulder fly using body angle to control resistance.
Primary musclesRear delts, Upper back
Secondary musclesCore, Shoulders
EquipmentSuspension trainer
DifficultyIntermediate · Horizontal Abduction
How to perform
- Lean back while holding the straps and brace.
- Raise the arms into a Y shape.
- Lower slowly while maintaining the body line.
Tips
- Control the movement and use a range you can repeat consistently.
- Choose a load or variation that lets you keep the rear delts as the intended focus.
Common mistakes
- Using more load or speed than you can control.
- Losing stable body position during the difficult portion.
Watch how to perform it
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