Because their timing, balance, leg strength, and coordination are not well established, young jumpers often fail to take-off from both feet at the same time.
{"Image DocumentName": "Because their timing, balance, leg strength, and coordination are not well established, young jumpers often fail to take-off from both feet at the same time.", "Image ImageDescription": "They exhibit extraneous arm motion that does not contribute to an effective, efficient movement and many times lose their balance upon landing..", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}