Step by step instructions, muscle activation and variants for the Sit-up with Arms on Chest.
The Sit-up with Arms on Chest is a fundamental bodyweight core exercise where the arms are crossed over the chest rather than placed behind the head. This removes the tendency to pull on the neck, keeping the focus squarely on the abdominals throughout the movement.
Common mistakes content is coming soon.
The Sit-up with Arms on Chest 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.