Start in a plank position, bringing one knee toward your chest while keeping your core tight. Alternate legs quickly in a running motion while maintaining proper form and stability.

Engage core, maintain plank position, drive knees fully, and control breathing.

Abs

No equipment required.

Intermediate: Requires moderate skill, good form, and technique.

Unilateral (Alternating): Each rep alternates between one side of the body and the other.

Log in to view your past completions.