Three-Dimensional Take-off Step Kinetics of Long Jumpers with and without a Transtibial Amputation

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Three-Dimensional Take-off Step Kinetics of Long Jumpers with and without a Transtibial Amputation. / Funken, Johannes; Willwacher, Steffen; Heinrich, Kai; Müller, Ralf; Hobara, Hiroaki; Grabowski, Alena M; Potthast, Wolfgang.

in: Medicine and science in sports and exercise, Jahrgang 51, Nr. 4, 01.04.2019, S. 716-725.

Publikationen: Beitrag in FachzeitschriftZeitschriftenaufsätzeForschungBegutachtung

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@article{84720938031b483db9f21a7bfb045a15,
title = "Three-Dimensional Take-off Step Kinetics of Long Jumpers with and without a Transtibial Amputation",
abstract = "PURPOSE: The loads applied on the musculo-skeletal system during the long jump take-off step are not well established for non-amputee athletes or athletes with a lower extremity amputation. Information on joint loading and potential injury mechanisms is important for improving training or rehabilitation protocols, prosthetic design and the general understanding of the long jump.METHODS: Three-dimensional take-off step kinematics and kinetics were used for inverse dynamic model calculations on three male athletes with and seven male athletes without a below the knee amputation (BKA). Athletes with BKA used their affected leg as their take-off leg.RESULTS: Despite equivalent long jump performance, ground reaction force application characteristics were widely different and calculated joint loads were significantly lower in athletes with BKA compared to non-amputee athletes during the take-off step. The take-off step of the long jump for athletes with BKA seems to be dominated by sagittal plane movements, while for non-amputee athletes it involves sagittal plane movement and compensatory joint work in the frontal plane.CONCLUSIONS: Coaches and athletes should adapt training protocols to the unique musculo-skeletal loading patterns of long jumpers with or without a BKA. Specifically, non-amputee athletes should strengthen the muscles responsible for hip and knee extension, as well as for frontal plane stabilization, early in the season to avoid injuries. The presented data enables clinicians to identify potential causes of pain or injury more differentially in both groups of athletes and might stimulate future research in the field of robotics and prosthetic components. Furthermore, the altered joint mechanics of athletes with BKA versus non-amputees serves as an explanation for their previously described more effective take-off step.",
keywords = "Journal Article, ATHLETICS, FRONTAL PLANE, INJURY PREVENTION, JOINT ENERGY, PROSTHETICS, ROBOTICS",
author = "Johannes Funken and Steffen Willwacher and Kai Heinrich and Ralf M{\"u}ller and Hiroaki Hobara and Grabowski, {Alena M} and Wolfgang Potthast",
year = "2019",
month = apr,
day = "1",
doi = "10.1249/MSS.0000000000001853",
language = "English",
volume = "51",
pages = "716--725",
journal = "Medicine and science in sports and exercise",
issn = "0195-9131",
publisher = "Lippincott Williams and Wilkins",
number = "4",

}

RIS

TY - JOUR

T1 - Three-Dimensional Take-off Step Kinetics of Long Jumpers with and without a Transtibial Amputation

AU - Funken, Johannes

AU - Willwacher, Steffen

AU - Heinrich, Kai

AU - Müller, Ralf

AU - Hobara, Hiroaki

AU - Grabowski, Alena M

AU - Potthast, Wolfgang

PY - 2019/4/1

Y1 - 2019/4/1

N2 - PURPOSE: The loads applied on the musculo-skeletal system during the long jump take-off step are not well established for non-amputee athletes or athletes with a lower extremity amputation. Information on joint loading and potential injury mechanisms is important for improving training or rehabilitation protocols, prosthetic design and the general understanding of the long jump.METHODS: Three-dimensional take-off step kinematics and kinetics were used for inverse dynamic model calculations on three male athletes with and seven male athletes without a below the knee amputation (BKA). Athletes with BKA used their affected leg as their take-off leg.RESULTS: Despite equivalent long jump performance, ground reaction force application characteristics were widely different and calculated joint loads were significantly lower in athletes with BKA compared to non-amputee athletes during the take-off step. The take-off step of the long jump for athletes with BKA seems to be dominated by sagittal plane movements, while for non-amputee athletes it involves sagittal plane movement and compensatory joint work in the frontal plane.CONCLUSIONS: Coaches and athletes should adapt training protocols to the unique musculo-skeletal loading patterns of long jumpers with or without a BKA. Specifically, non-amputee athletes should strengthen the muscles responsible for hip and knee extension, as well as for frontal plane stabilization, early in the season to avoid injuries. The presented data enables clinicians to identify potential causes of pain or injury more differentially in both groups of athletes and might stimulate future research in the field of robotics and prosthetic components. Furthermore, the altered joint mechanics of athletes with BKA versus non-amputees serves as an explanation for their previously described more effective take-off step.

AB - PURPOSE: The loads applied on the musculo-skeletal system during the long jump take-off step are not well established for non-amputee athletes or athletes with a lower extremity amputation. Information on joint loading and potential injury mechanisms is important for improving training or rehabilitation protocols, prosthetic design and the general understanding of the long jump.METHODS: Three-dimensional take-off step kinematics and kinetics were used for inverse dynamic model calculations on three male athletes with and seven male athletes without a below the knee amputation (BKA). Athletes with BKA used their affected leg as their take-off leg.RESULTS: Despite equivalent long jump performance, ground reaction force application characteristics were widely different and calculated joint loads were significantly lower in athletes with BKA compared to non-amputee athletes during the take-off step. The take-off step of the long jump for athletes with BKA seems to be dominated by sagittal plane movements, while for non-amputee athletes it involves sagittal plane movement and compensatory joint work in the frontal plane.CONCLUSIONS: Coaches and athletes should adapt training protocols to the unique musculo-skeletal loading patterns of long jumpers with or without a BKA. Specifically, non-amputee athletes should strengthen the muscles responsible for hip and knee extension, as well as for frontal plane stabilization, early in the season to avoid injuries. The presented data enables clinicians to identify potential causes of pain or injury more differentially in both groups of athletes and might stimulate future research in the field of robotics and prosthetic components. Furthermore, the altered joint mechanics of athletes with BKA versus non-amputees serves as an explanation for their previously described more effective take-off step.

KW - Journal Article

KW - ATHLETICS

KW - FRONTAL PLANE

KW - INJURY PREVENTION

KW - JOINT ENERGY

KW - PROSTHETICS

KW - ROBOTICS

UR - https://www.mendeley.com/catalogue/091666c3-0ee8-30b3-b951-e2e4ee152464/

U2 - 10.1249/MSS.0000000000001853

DO - 10.1249/MSS.0000000000001853

M3 - Journal articles

C2 - 30489495

VL - 51

SP - 716

EP - 725

JO - Medicine and science in sports and exercise

JF - Medicine and science in sports and exercise

SN - 0195-9131

IS - 4

ER -

ID: 3542852