1
Start in a horizontal plank position supported by forearms and toes, with body in a straight line from head to heels, core engaged and neutral spine
2
Maintain a stable plank position with elbows directly under shoulders, feet hip-width apart, and core contracted; prepare for dynamic leg movement
3
Slowly lower and extend one leg horizontally backward and outward, maintaining core tension and neutral spine, then switch legs in a controlled alternating pattern
4
Drive legs back toward starting position by engaging core muscles, bringing knees up toward chest, then return to horizontal plank position and repeat alternation