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Δευτέρα 6 Μαρτίου 2017

The Rebound Boots Change the Lower Limb Muscle Activation and Kinematics During Different Fitness Exercises

Publication date: Available online 6 March 2017
Source:Journal of Bodywork and Movement Therapies
Author(s): Mateus Rossato, Rodolfo André Dellagrana, Juliane Cristine Lopes dos Santos, Felipe P. Carpes, Rodrigo Ghedini Gheller, De Angelys de Ceselles Seixas da Silva, Ewertton de Souza Bezerra, João Otacílio Libardoni dos Santos
The purpose of this study was to evaluate electromyography and kinematic parameters of the lower limbs using rebound boots (RB) and barefoot during a gym workout. This information can be helpful to practitioners to schedule the rehabilitation and training programs. Ten women (25 ± 9 years) volunteered for the study; inclusion criteria were as follows: subjects must have experienced the RB and the analyzed exercises for at least 6 months, and have no previous injuries in the lower limbs. Seven exercises were performed for 30 seconds with the RB and subsequently on barefoot. Data from muscle activation of vastus lateralis (VL), biceps femoris (BF), lateral gastrocnemius (LG) and 2D kinematics were collected. The RB triggered postural changes, characterized by larger hip extension (4 exercises) and knee extension (6 exercises) for the landing. RB reduced activation mainly in LG (6 exercises) while no changes were observed for VL (except exercise 1) and BF. RB change kinematics and muscle activation suggesting changes in the way the legs absorb and transmit force during jumps. LG was the main muscle affected by the use of RB.



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