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Asymmetries in the technique and ground reaction forces of elite alpine skiers influence their slalom perfermance
ID
Supej, Matej
(
Avtor
),
ID
Ogrin, Jan
(
Avtor
),
ID
Šarabon, Nejc
(
Avtor
),
ID
Holmberg, Hans-Christer
(
Avtor
)
PDF - Predstavitvena datoteka,
prenos
(2,32 MB)
MD5: 431505AF5738C7C8E5F175F0B0F11B32
URL - Izvorni URL, za dostop obiščite
https://www.mdpi.com/2076-3417/10/20/7288
Galerija slik
Izvleček
Background: Although many of the movements of skiers are asymmetric, little is presently known about how such asymmetry influences performance. Here, our aim was to examine whether asymmetries in technique and the ground reaction forces associated with left and right turns influence the asymmetries in the performance of elite slalom skiers. Methods: As nine elite skiers completed a 20-gate slalom course, their three-dimensional full-body kinematics and ground reaction forces (GRF) were monitored with a global navigation satellite and inertial motion capture systems, in combination with pressure insoles. For multivariable regression models, 26 predictor skiing techniques and GRF variables and 8 predicted skiing performance variables were assessed, all of them determining asymmetries in terms of symmetry and Jaccard indices. Results: Asymmetries in instantaneous and sectional performance were found to have the largest predictor coefficients associated with asymmetries in shank angle and hip flexion of the outside leg. Asymmetry for turn radius had the largest predictor coefficients associated with asymmetries in shank angle and GRF on the entire outside foot. Conclusions: Although slalom skiers were found to move their bodies in a quite symmetrical fashion, asymmetry in their skiing technique and GRF influenced variables related to asymmetries in performance.
Jezik:
Angleški jezik
Ključne besede:
biomechanics
,
kinematics
,
kinetics
,
global navigation satellite system
,
GPS
,
IMU
,
inertial motion capture
,
pressure insoles
,
ski racing
Vrsta gradiva:
Članek v reviji
Tipologija:
1.01 - Izvirni znanstveni članek
Organizacija:
FŠ - Fakulteta za šport
Status publikacije:
Objavljeno
Različica publikacije:
Objavljena publikacija
Leto izida:
2020
Št. strani:
16 str.
Številčenje:
Vol. 10, iss. 20, art. 7288
PID:
20.500.12556/RUL-134413
UDK:
338.48-52:796.6
ISSN pri članku:
2076-3417
DOI:
10.3390/app10207288
COBISS.SI-ID:
33645315
Datum objave v RUL:
13.01.2022
Število ogledov:
1173
Število prenosov:
129
Metapodatki:
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Objavi na:
Gradivo je del revije
Naslov:
Applied sciences
Skrajšan naslov:
Appl. sci.
Založnik:
MDPI
ISSN:
2076-3417
COBISS.SI-ID:
522979353
Licence
Licenca:
CC BY 4.0, Creative Commons Priznanje avtorstva 4.0 Mednarodna
Povezava:
http://creativecommons.org/licenses/by/4.0/deed.sl
Opis:
To je standardna licenca Creative Commons, ki daje uporabnikom največ možnosti za nadaljnjo uporabo dela, pri čemer morajo navesti avtorja.
Začetek licenciranja:
18.10.2020
Sekundarni jezik
Jezik:
Slovenski jezik
Ključne besede:
biomehanika
,
kinematika
,
globalni navigacijski satelitski sistem
,
vzajemna inercija gibanja
,
tekmovalno smučanje
,
pritiskovni vložki
Projekti
Financer:
EC - European Commission
Program financ.:
H2020
Številka projekta:
824984
Naslov:
Soft intelligence epidermal communication platform
Akronim:
SINTEC
Financer:
ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Številka projekta:
L5-1845
Naslov:
Telesne asimetrije kot dejavnik tveganja za nastanek mišično-skeletnih poškodb: proučevanje mehanizmov nastanka in razvoj korektivnih ukrepov za njihovo odpravljanje s ciljem primarne in terciarne preventive
Financer:
ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Številka projekta:
P5-0147
Naslov:
Kineziologija monostrukturnih, polistrukturnih in konvencionalnih športov
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