B J H Smith
An instrumented centrifuge for studying mouse locomotion and behaviour under hypergravity
Smith, B J H; Usherwood, J R
Authors
J R Usherwood
Abstract
Gravity may influence multiple aspects of legged locomotion, from the periods of limbs moving as pendulums to the muscle forces required to support the body. We present a system for exposing mice to hypergravity using a centrifuge and studying their locomotion and activity during exposure. Centrifuge-induced hypergravity has the advantages that it both allows animals to move freely, and it affects both body and limbs. The centrifuge can impose two levels of hypergravity concurrently, using two sets of arms of different lengths, each carrying a mouse cage outfitted with a force and speed measuring exercise wheel and an infrared high-speed camera; both triggered automatically when a mouse begins running on the wheel. Welfare is monitored using infrared cameras. As well as detailing the design of the centrifuge and instrumentation, we present example data from mice exposed to multiple levels of hypergravity and details of how they acclimatized to hypergravity.
Citation
Smith, B. J. H., & Usherwood, J. R. (in press). An instrumented centrifuge for studying mouse locomotion and behaviour under hypergravity. Biology Open, 8, https://doi.org/10.1242/bio.043018
Journal Article Type | Article |
---|---|
Acceptance Date | May 13, 2019 |
Deposit Date | Jul 16, 2019 |
Publicly Available Date | Jul 17, 2019 |
Journal | Biology Open |
Electronic ISSN | 2046-6390 |
Publisher | The Company of Biologists |
Peer Reviewed | Peer Reviewed |
Volume | 8 |
DOI | https://doi.org/10.1242/bio.043018 |
Public URL | https://rvc-repository.worktribe.com/output/1382349 |
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