【摘要】 运用文献资料、专家访谈、视频拍摄和解析、实地观察、数理统计和对比分析等研究方法对董子昂进行研究。认为，（1）其技术特点为：助跑最后2步步长稳定、步速快且保持能力强和质心不断升高；起跳过程中H₀与H₁较高，起跳着地时已获得向上的垂直速度，起跳时间短；起跳腿着地膝角较大，腿部肌肉弹性和超等长收缩能力出色；摆动腿摆动速度快。（2）其技术不足为：助跑速度、节奏和点位不稳定；起跳腿支撑能力差；起跳阶段速度转化率低，垂直速度慢、腾起角小和质心垂直工作距离短；过杆经济性差。（3）其失败跳次成因为：助跑速度过快超出自身可控范围；助跑节奏和助跑点位发生改变；起跳阶段速度转化能力降低；摆动腿摆速降低，离地时刻折叠程度和制动高度不充分；起跳腿蹬伸幅度小，离地时髋关节和膝关节未充分伸展。对青少年跳高运动员的训练提出建议：（1）助跑阶段训练中，在提高助跑速度前应先评定运动员起跳阶段速度转化能力；在提高助跑速度的同时注重助跑节奏、助跑点位及助跑稳定性；关注髋关节在助跑过程中的相对位置。（2）起跳阶段训练中，除训练运动员起跳腿支撑能力和蹬伸能力、摆动腿的快速摆动和高摆制动能力外，应加强双腿蹬摆配合技术的一致性、连贯性和稳定性；及时调整起跳距离来减小H_D值，提高过杆经济性和H₂利用率。更多还原

【Abstract】 This study focuses on analyzing and enhancing the high jump techniques of athlete Dong Zi’ang, using a multidisciplinary approach including literature review, expert interviews, video analysis, field observation, and statistical methods. Dong’s technical strengths are identified: stable run-up steps, high and consistent speed, increasing center of mass from run-up to take-off, high vertical velocity at touch-down, short take-off time, significant knee angle at touch-down, excellent muscle flexibility, and a rapid swing leg movement. Conversely, Dong’s technical weaknesses are noted: unstable run-up speed, rhythm, and point; weak take-off leg support; low velocity conversion rate; insufficient flight angle and vertical working distance during take-off; and suboptimal bar clearance economy. The reasons behind Dong’s failed jumps include excessive run-up speed, inconsistent run-up rhythm and point, reduced velocity conversion rate at take-off, decreased swing leg speed, inadequate knee extension, and insufficient hip-knee stretch at take-off. For teenage high jumpers’ training, the study recommends initially assessing and improving velocity conversion ability before increasing take-off speed. It emphasizes stabilizing run-up speed and rhythm at varying jump heights and maintaining proper hip positioning during run-up. In take-off training, it advises enhancing extension-swing coordination, bolstering take-off leg support and extension, and improving swing leg’s rapid movement and braking ability. Adjustments to take-off distance should consider the horizontal distance between the athlete’s peak height and the bar to improve bar clearance efficiency and optimize height utilization(H2), thereby minimizing jump failures.更多还原