Step by step instructions, muscle activation and variants for the Clamshell Sit Against Wall.
The Clamshell Sit Against Wall is a hip abductor strengthening exercise performed with your back supported against a wall. With knees bent and feet together, you open the knees outward like a clamshell, targeting the glutes and outer thighs while the wall encourages an upright posture.
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The Clamshell Sit Against Wall 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.