Gastrocnemius medialis contractile behavior during running differs between simulated Lunar and Martian gravities

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Gastrocnemius medialis contractile behavior during running differs between simulated Lunar and Martian gravities. / Richter, Charlotte; Braunstein, Bjoern; Staeudle, Benjamin; Attias, Julia; Suess, Alexander; Weber, Tobias; Mileva, Katya N; Rittweger, Joern; Green, David A; Albracht, Kirsten.

in: Scientific Reports, Jahrgang 11, 22555, 19.11.2021, S. 1-13.

Publikationen: Beitrag in FachzeitschriftZeitschriftenaufsätzeForschungBegutachtung

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@article{080cb2f881444d54a35e8243a7a621f1,
title = "Gastrocnemius medialis contractile behavior during running differs between simulated Lunar and Martian gravities",
abstract = "The international partnership of space agencies has agreed to proceed forward to the Moon sustainably. Activities on the Lunar surface (0.16 g) will allow crewmembers to advance the exploration skills needed when expanding human presence to Mars (0.38 g). Whilst data from actual hypogravity activities are limited to the Apollo missions, simulation studies have indicated that ground reaction forces, mechanical work, muscle activation, and joint angles decrease with declining gravity level. However, these alterations in locomotion biomechanics do not necessarily scale to the gravity level, the reduction in gastrocnemius medialis activation even appears to level off around 0.2 g, while muscle activation pattern remains similar. Thus, it is difficult to predict whether gastrocnemius medialis contractile behavior during running on Moon will basically be the same as on Mars. Therefore, this study investigated lower limb joint kinematics and gastrocnemius medialis behavior during running at 1 g, simulated Martian gravity, and simulated Lunar gravity on the vertical treadmill facility. The results indicate that hypogravity-induced alterations in joint kinematics and contractile behavior still persist between simulated running on the Moon and Mars. This contrasts with the concept of a ceiling effect and should be carefully considered when evaluating exercise prescriptions and the transferability of locomotion practiced in Lunar gravity to Martian gravity.",
author = "Charlotte Richter and Bjoern Braunstein and Benjamin Staeudle and Julia Attias and Alexander Suess and Tobias Weber and Mileva, {Katya N} and Joern Rittweger and Green, {David A} and Kirsten Albracht",
note = "{\textcopyright} 2021. The Author(s).",
year = "2021",
month = nov,
day = "19",
doi = "10.1038/s41598-021-00527-9",
language = "English",
volume = "11",
pages = "1--13",
journal = "Scientific Reports",
issn = "2045-2322",
publisher = "Nature Publishing Group",

}

RIS

TY - JOUR

T1 - Gastrocnemius medialis contractile behavior during running differs between simulated Lunar and Martian gravities

AU - Richter, Charlotte

AU - Braunstein, Bjoern

AU - Staeudle, Benjamin

AU - Attias, Julia

AU - Suess, Alexander

AU - Weber, Tobias

AU - Mileva, Katya N

AU - Rittweger, Joern

AU - Green, David A

AU - Albracht, Kirsten

N1 - © 2021. The Author(s).

PY - 2021/11/19

Y1 - 2021/11/19

N2 - The international partnership of space agencies has agreed to proceed forward to the Moon sustainably. Activities on the Lunar surface (0.16 g) will allow crewmembers to advance the exploration skills needed when expanding human presence to Mars (0.38 g). Whilst data from actual hypogravity activities are limited to the Apollo missions, simulation studies have indicated that ground reaction forces, mechanical work, muscle activation, and joint angles decrease with declining gravity level. However, these alterations in locomotion biomechanics do not necessarily scale to the gravity level, the reduction in gastrocnemius medialis activation even appears to level off around 0.2 g, while muscle activation pattern remains similar. Thus, it is difficult to predict whether gastrocnemius medialis contractile behavior during running on Moon will basically be the same as on Mars. Therefore, this study investigated lower limb joint kinematics and gastrocnemius medialis behavior during running at 1 g, simulated Martian gravity, and simulated Lunar gravity on the vertical treadmill facility. The results indicate that hypogravity-induced alterations in joint kinematics and contractile behavior still persist between simulated running on the Moon and Mars. This contrasts with the concept of a ceiling effect and should be carefully considered when evaluating exercise prescriptions and the transferability of locomotion practiced in Lunar gravity to Martian gravity.

AB - The international partnership of space agencies has agreed to proceed forward to the Moon sustainably. Activities on the Lunar surface (0.16 g) will allow crewmembers to advance the exploration skills needed when expanding human presence to Mars (0.38 g). Whilst data from actual hypogravity activities are limited to the Apollo missions, simulation studies have indicated that ground reaction forces, mechanical work, muscle activation, and joint angles decrease with declining gravity level. However, these alterations in locomotion biomechanics do not necessarily scale to the gravity level, the reduction in gastrocnemius medialis activation even appears to level off around 0.2 g, while muscle activation pattern remains similar. Thus, it is difficult to predict whether gastrocnemius medialis contractile behavior during running on Moon will basically be the same as on Mars. Therefore, this study investigated lower limb joint kinematics and gastrocnemius medialis behavior during running at 1 g, simulated Martian gravity, and simulated Lunar gravity on the vertical treadmill facility. The results indicate that hypogravity-induced alterations in joint kinematics and contractile behavior still persist between simulated running on the Moon and Mars. This contrasts with the concept of a ceiling effect and should be carefully considered when evaluating exercise prescriptions and the transferability of locomotion practiced in Lunar gravity to Martian gravity.

UR - https://www.mendeley.com/catalogue/995db2fa-f96a-3162-9329-6d559438191b/

U2 - 10.1038/s41598-021-00527-9

DO - 10.1038/s41598-021-00527-9

M3 - Journal articles

C2 - 34799596

VL - 11

SP - 1

EP - 13

JO - Scientific Reports

JF - Scientific Reports

SN - 2045-2322

M1 - 22555

ER -

ID: 6288540