Step by step instructions, muscle activation and variants for the Arm Double Crossover.
The Arm Double Crossover is a standing chest and shoulder mobility drill in which both arms swing horizontally across the body, crossing at the midline to open and stretch the pectoral muscles and anterior shoulder. The repeated swinging motion improves thoracic mobility and chest flexibility.
Common mistakes content is coming soon.
The Arm Double Crossover is a foundational movement that builds strength and muscle through controlled, progressive overload. Train it 1 to 2 times per week with 3 to 5 working sets per session, gradually adding weight or reps as form holds up.