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|Publication type:||Article in scientific journal|
|Type of review:||Peer review (publication)|
|Title:||Kinematics and Kinetics of Squats, Drop Jumps and Imitation Jumps of Ski Jumpers|
|Authors:||Pauli, Carole A.|
Taylor, William R.
|Published in:||Journal of Strength and Conditioning Research|
|Publisher / Ed. Institution:||Lippincott Williams & Wilkins|
|Subjects:||Performance; Ski jumping; Movement analysis|
|Subject (DDC):||571: Physiology and related subjects|
|Abstract:||Squats, drop jumps, and imitation jumps are commonly used training exercises in ski jumping to enhance maximum force, explosive force, and sport-specific skills. The purpose of this study was to evaluate the kinetics and kinematics of training exercises in ski jumping and to find objective parameters in training exercises that most correlate with the competition performance of ski jumpers. To this end, barbell squats, drop jumps, and imitation jumps were measured in a laboratory Environment for 10 elite ski jumpers. Force and motion data were captured, and the influence of maximum vertical force, force difference, vertical take-off velocity, knee moments, knee joint power, and a knee valgus/varus index was evaluated and correlated with their season jump performance. The results indicate that, especially for the imitation jumps, a good correlation exists between the vertical take-off velocity and the personal jump performance on the hill (R = 0.718). Importantly, however, the more the athletes tended toward a valgus knee alignment during the measured movements, the worse their performance (R = 0.729 imitation jumps; R = 0.685 squats). Although an evaluation of the athletes’ lower limb alignment during competitive jumping on the hill is still required, these preliminary data suggest that performance training should additionally concentrate on improving knee alignment to increase ski jumping performance.|
|Fulltext version:||Published version|
|License (according to publishing contract):||CC BY-NC-ND 4.0: Attribution - Non commercial - No derivatives 4.0 International|
|Departement:||School of Health Sciences|
|Organisational Unit:||Institute of Physiotherapy (IPT)|
|Appears in collections:||Publikationen Gesundheit|
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|KinematicsKinetics_SkiJumping.pdf||258.73 kB||Adobe PDF|
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Pauli, C. A., Keller, M., Ammann, F., Hübner, K., Lindorfer, J., Taylor, W. R., & Lorenzetti, S. (2016). Kinematics and Kinetics of Squats, Drop Jumps and Imitation Jumps of Ski Jumpers. Journal of Strength and Conditioning Research, 30(3), 643–652. https://doi.org/10.21256/zhaw-1201
Pauli, C.A. et al. (2016) ‘Kinematics and Kinetics of Squats, Drop Jumps and Imitation Jumps of Ski Jumpers’, Journal of Strength and Conditioning Research, 30(3), pp. 643–652. Available at: https://doi.org/10.21256/zhaw-1201.
C. A. Pauli et al., “Kinematics and Kinetics of Squats, Drop Jumps and Imitation Jumps of Ski Jumpers,” Journal of Strength and Conditioning Research, vol. 30, no. 3, pp. 643–652, Mar. 2016, doi: 10.21256/zhaw-1201.
Pauli, Carole A., et al. “Kinematics and Kinetics of Squats, Drop Jumps and Imitation Jumps of Ski Jumpers.” Journal of Strength and Conditioning Research, vol. 30, no. 3, Mar. 2016, pp. 643–52, https://doi.org/10.21256/zhaw-1201.
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