Technical strategy of triple jump: differences of inverted pendulum model between hop-dominated and balance techniques
| Autor: | Tadao Isaka, Mitsuo Otsuka, Shinsuke Yoshioka, Nobuaki Fujibayashi |
|---|---|
| Rok vydání: | 2018 |
| Předmět: |
Adult
Male Rotation Movement 0206 medical engineering Physical Therapy Sports Therapy and Rehabilitation 02 engineering and technology Kinematics Athletic Performance medicine.disease_cause Displacement (vector) Inverted pendulum Young Adult 03 medical and health sciences 0302 clinical medicine Jumping Control theory Postural Balance medicine Humans Orthopedics and Sports Medicine Mathematics Balance (ability) Leg Track and Field 030229 sport sciences Swing 020601 biomedical engineering Biomechanical Phenomena Arm Jump |
| Zdroj: | The Journal of Sports Medicine and Physical Fitness. 58 |
| ISSN: | 1827-1928 0022-4707 |
| DOI: | 10.23736/s0022-4707.17.07833-1 |
| Popis: | Background The present study aims to cross-sectionally clarify the characteristics of the motions of an inverted pendulum model, a stance leg, a swing leg and arms in different triple-jumping techniques to understand whether or not hop displacement is relatively longer rather than step and jump displacements. Methods Eighteen male athletes performed the triple jump with a full run-up. Based on the technique of the jumpers, they were classified as hop-dominated (N.=10) or balance (N.=8) jumpers. The kinematic data were calculated using motion capture and compared between the two techniques using the inverted pendulum model. Results The hop-dominated jumpers had a significantly longer hop displacement and faster vertical center-of-mass (COM) velocity of their whole body at hop take-off, which was generated by faster rotation behaviors of inverted pendulum model and faster swinging behaviors of arms. Conversely, balance jumpers had a significantly longer jump displacement and faster horizontal COM velocity of their whole body at take-off, which was generated by a stiffer inverted pendulum model and stance leg. Conclusions The results demonstrate that hop-dominated and balance jumpers enhanced each dominated-jump displacement using different swing- and stance-leg motions. This information may help to enhance the actual displacement of triple jumpers using different jumping techniques. |
| Databáze: | OpenAIRE |
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