1
Start in a plank position with hands shoulder-width apart, arms fully extended, shoulders directly over wrists, body forming a straight line from head to heels, core engaged and tight
2
Maintain neutral spine alignment, engage core muscles, keep hands flat on ground with fingers spread for stability, position legs together or slightly apart with weight distributed evenly
3
Lower one leg by bending the knee, bringing the lower leg up toward the torso in a controlled manner while maintaining plank position with upper body stable and core tight throughout
4
Extend the leg back to starting position in a controlled motion, return to full plank with both legs extended, repeat for prescribed reps before alternating legs