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1 Acta of Bioengineering and Biomechanics

1 2023

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Effects of eliminating visual cues on kinetic and kinematic parameters in back tuck somersault: A comparison between artistic gymnasts and parkour athletes

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Abahnini N. M. , Abahnini K. , Mkaouer B.

Acta of Bioengineering and Biomechanics

2023

tom Vol. 25, no. 2

93--101

The aim of this study was to compare the effect of vision (i.e., open and closed eyes) on the kinetic and kinematic parameters of the standing back tuck somersault (SBTS) in artistic gymnasts and parkour athletes. Methods: Eleven male parkour athletes (age 22.53 ± 2.36 years; height 1.72 ± 0.08 m; weight 69.58 ± 3.72 kg) and seven male artistic gymnasts (age 21.96 ± 2.64 years; height 1.62 ± 0.02 m; weight 63.54 ± 1.35 kg) participated in this study. Each subject was asked to perform the SBTS in the same condition (i.e., first open-eyes then closed-eyes). 2D kinetic and kinematic analysis was conducted. Results: The results showed significant interaction (i.e., vision and sport) obtained at the take-off angle ( p < 0.05 and d = 1.992), horizontal displacement ( p < 0.05 and d = 1.906) and technical execution ( p < 0.05 and d = 1.972). This interaction indicates that when vision is permitted, artistic gymnasts and parkour athletes were similar in all kinetic and kinematic parameters, and technical execution ( p > 0.05). However, the elimination of vision during SBTS only affected parkour athletes (i.e., landing angle, ground reaction force, vertical velocity and technical execution, p < 0.05 and d >1.20) while artistic gymnasts remain unchanged. Conclusion: We conclude that the specificity of the practice in each of the two sports disciplines influences the kinetic and kinematic control of the SBTS and suggests that with closed-eyes, the integration of afferent information relating to the vestibular and proprioceptive systems is different and specific to each discipline’s goal. Artistic gymnasts seem to be better skilled in the mechanical and technical control of the SBTS than parkour athletes.