【设计意图】“助跑跨跳”是本班幼儿在中班就学过的动作技能,由于当时幼儿的理解能力、下肢灵活性和腿部力量不足等原因,导致幼儿掌握动作技能的效果不佳,参与积极性不高。现在幼儿已升至大班,在一次晨间体育活动中,幼儿自主摆放了几个栏架兴致勃勃地进行“助跑跨跳”练习,虽然动作不是很标准,但幼儿的腿部力量和跳跃能力均有明显提高。栏架的高度对大多数大班幼儿来说已经偏低; [Design intent] “jump across the run” is the class of young children in the class to learn the action skills, due to children’s understanding of the time, lower limb flexibility and lack of leg strength and other reasons, leading children to master the effects of motor skills do not Good, not enthusiastic to participate. Now that the toddler has risen to the big class, during a morning physical activity, the toddler has several galleries in his / her own hobby to perform the “cross jumper” exercise. Although the movements are not very standard, the toddler’s leg strength Ability to jump significantly improved. The height of the racks is low for most of the older children;