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Muskuloskeletale belastungen im schafshinterlauf: mechanische rahmenbedingungen der heilung

Muskuloskeletale belastungen im schafshinterlauf: mechanische rahmenbedingungen der heilung
Muskuloskeletale belastungen im schafshinterlauf: mechanische rahmenbedingungen der heilung
Although the sheep is a standard model for the analysis of biological healing processes after surgical intervention at the knee and shank, the in vivo tibio-femoral joint contact forces and the resulting musculoskeletal loading conditions have yet to be studied in detail.The three-dimensional kinematics of three Merino-mix sheep right hind limbs were recorded using reflective markers that were attached to Schanz’ screws, firmly anchored in the bone. This motion data was used together with the simultaneously measured external loading (ground reaction forces) to calculate the muscle and joint contact forces, as well as the internal loads within the bones. Whilst the motion mainly occurred in the sagittal plane, significant out of plane motion was observed, especially at the hip and knee joint (ab/adduction hip: 13°, knee: 10°; internal/external rotation hip: 12°, knee: 14°). The axial component of the tibio-femoral contact force was 2.1 times body weight (BW). The medio-lateral and anterior-posterior shear forces amounted to only 0.7 times BW. The loading in the diaphysis of the tibia under physiological musculoskeletal conditions was mainly axial compression (0.89 BW) together with only small shear forces (0.15 BW). The results of the musculoskeletal analyses presented here add to the understanding of the mechanical loading conditions in sheep. This expanded knowledge aids in the interpretation
muskuloskeletale belastungen, gelenkkinematik, gelenkkontaktkräfte, innere belastungen, schaf, musculoskeletal loading, joint kinematics, joint contact forces, internal loading, sheep
0933-5137
775-780
Heller, Markus O.
3da19d2a-f34d-4ff1-8a34-9b5a7e695829
Duda, Georg N.
ac4e207b-3e2e-4c84-a6c4-cb67531f890b
Ehrig, Rainald M.
039b8e91-4867-4a1b-8b73-0381c6411d40
Schell, Hanna
8fb2a511-e2bb-4193-8cd3-19387eb344ec
Seebeck, Petra
7e5420ec-c8b8-4934-87e6-5339420aa782
Taylor, William R.
1ed48ef6-e396-40f5-8434-6c0628c9d3ca
Heller, Markus O.
3da19d2a-f34d-4ff1-8a34-9b5a7e695829
Duda, Georg N.
ac4e207b-3e2e-4c84-a6c4-cb67531f890b
Ehrig, Rainald M.
039b8e91-4867-4a1b-8b73-0381c6411d40
Schell, Hanna
8fb2a511-e2bb-4193-8cd3-19387eb344ec
Seebeck, Petra
7e5420ec-c8b8-4934-87e6-5339420aa782
Taylor, William R.
1ed48ef6-e396-40f5-8434-6c0628c9d3ca

Heller, Markus O., Duda, Georg N., Ehrig, Rainald M., Schell, Hanna, Seebeck, Petra and Taylor, William R. (2005) Muskuloskeletale belastungen im schafshinterlauf: mechanische rahmenbedingungen der heilung. Materialwissenschaft und Werkstofftechnik, 36 (12), 775-780. (doi:10.1002/mawe.200500969).

Record type: Article

Abstract

Although the sheep is a standard model for the analysis of biological healing processes after surgical intervention at the knee and shank, the in vivo tibio-femoral joint contact forces and the resulting musculoskeletal loading conditions have yet to be studied in detail.The three-dimensional kinematics of three Merino-mix sheep right hind limbs were recorded using reflective markers that were attached to Schanz’ screws, firmly anchored in the bone. This motion data was used together with the simultaneously measured external loading (ground reaction forces) to calculate the muscle and joint contact forces, as well as the internal loads within the bones. Whilst the motion mainly occurred in the sagittal plane, significant out of plane motion was observed, especially at the hip and knee joint (ab/adduction hip: 13°, knee: 10°; internal/external rotation hip: 12°, knee: 14°). The axial component of the tibio-femoral contact force was 2.1 times body weight (BW). The medio-lateral and anterior-posterior shear forces amounted to only 0.7 times BW. The loading in the diaphysis of the tibia under physiological musculoskeletal conditions was mainly axial compression (0.89 BW) together with only small shear forces (0.15 BW). The results of the musculoskeletal analyses presented here add to the understanding of the mechanical loading conditions in sheep. This expanded knowledge aids in the interpretation

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More information

Published date: December 2005
Keywords: muskuloskeletale belastungen, gelenkkinematik, gelenkkontaktkräfte, innere belastungen, schaf, musculoskeletal loading, joint kinematics, joint contact forces, internal loading, sheep
Organisations: Bioengineering Group

Identifiers

Local EPrints ID: 348505
URI: http://eprints.soton.ac.uk/id/eprint/348505
ISSN: 0933-5137
PURE UUID: 88468336-4c7d-49e0-b314-a281dddb1a90
ORCID for Markus O. Heller: ORCID iD orcid.org/0000-0002-7879-1135

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Date deposited: 26 Feb 2013 12:10
Last modified: 15 Mar 2024 03:43

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Contributors

Author: Georg N. Duda
Author: Rainald M. Ehrig
Author: Hanna Schell
Author: Petra Seebeck
Author: William R. Taylor

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