|Function:||Leg Ext (Vertical)|
Stand on one leg by elevating other leg behind body with knee bent.
Quickly squat down by bending knee and hip while extending raised leg back and swinging arms back. Immediately jump upward while swinging raised leg and arms forward and upward. Extend body vertically. Lower arms down to sides and land on either same foot or both feet. Bend ankles, knees, and hips to absorb impact. Repeat movement pattern on opposite leg.
Use both upper and lower body movement. Land on forefoot then come down on whole foot.