Research Article

Technical Diagnosis on Elite Female Discus Athletes Based on Grey Relational Analysis

Table 5

Chen Yang’s performance and kinematic parameters before and after applying the technical diagnosis model.

Serial numberCompetition result (m)Discus hand speed (m/s)Discus release angle (°)Left foot off the ground, shoulder and arm exceed angleRight foot touching the floor torso angle (°)Second single support stage time (s)Discus movement distance m in double support stageCenter of mass movement distance m of double supporting body

162.624.3639.220.2442.060.182.040.32
264.2624.7138.882.2142.870.21.880.31
364.4625.0238.114.0541.40.161.870.35
465.4224.6537.044.7738.530.161.920.32
563.424.5838.9916.0331.710.171.870.26
664.5525.8239.7416.1333.320.181.860.25
762.2223.4238.3924.7639.160.171.320.25
862.4424.4735.924.7237.840.151.240.24
962.6624.0838.324.1937.880.161.440.26
1061.8824.8234.578.3939.860.141.450.28
X63.3924.5937.928.5538.460.171.690.28
X + SD63.89 ± 1.1424.59 ± 0.5937.92 ± 1.538.55 ± 7.4438.46 ± 3.410.17 ± 0.161.69 ± 0.280.28 ± 0.036
Shaoxing63.3124.3637.4511.8327.30.171.030.28
Chongqing65.1424.2337.3249.7543.670.181.710.29