1
Stand upright with feet hip-width apart, arms at sides or ready to raise overhead, maintaining neutral spine and neutral head position
2
Engage core and prepare to perform a vertical jump by bending knees slightly and swinging arms to generate momentum for explosive upward movement
3
Begin by flexing knees and hips, lowering body into a quarter-squat position while swinging arms downward in preparation for jump, then forcefully extend hips and knees to drive body upward
4
Explosively extend through hips, knees, and ankles while simultaneously raising arms overhead to maximize vertical displacement, then land softly with knees slightly bent to absorb impact and return to starting position