Step by step instructions, muscle activation and variants for the Seated Lean Back Open and Close on a Chair.
A seated mobility exercise performed on a chair where you lean back slightly and open the arms wide before closing them in front of the chest. The movement stretches the pectoral muscles and activates the shoulders, improving upper-body posture and thoracic mobility.
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The Seated Lean Back Open and Close on a Chair 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.