Lie prone on the box, chest just off edge, arms holding straps.
Start with arms down, palms facing in, shoulders set away from ears.
Lift arms out to a T, squeezing shoulder blades, keeping neck long.
Lower with control, maintain neutral spine, repeat for smooth controlled reps.
راهنمای تمرین Avião (Deitado de Bruços) na Caixa com Alças — Puxada de Braços - تمرین Parte inferior das costas | MuscleWiki