Sit tall with legs extended, arms holding straps, elbows straight.
Roll spine down sequentially while bending elbows into a bicep curl.
Pause briefly, keeping shoulders relaxed and core engaged.
Reverse the roll up, extending arms forward with controlled tension.
راهنمای تمرین Preparaciones Para Remo de Espalda: Rodar Hacia Abajo con Curl de Bíceps Sentado - تمرین Bíceps | MuscleWiki