[Retracted] Analysis and Comparison of Motion Biomechanics Characteristics of Squat Jump and Half-Squat Jump

Table 4

Kinematic parameters during in-situ vertical jump in two squat modes.

Kinematic parameter	Restricted squat	Unrestricted squat	value
Peak hip flexion angle (°)	94.3 ± 11.2	91.3 ± 13.6	0.029
Peak knee flexion angle (°)	86.3 ± 13.5	116.8 ± 13.5	＜0.001
Peak ankle flexion angle (°)	103.6 ± 3.9	116.3 ± 3.6	＜0.001
Pedal extension time (ms)	239.84 ± 56.35	306.35 ± 42.68	＜0.001