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This problem was contributed by Carmichael Ong at Stanford University. |
Type hereAn experiment is performed in which a muscle–tendon unit is fixed at some (unknown) length
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| body | --uriencoded--\ell%5e%7Bmt%7D |
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, the muscle is activated to a specified level, and the force is measured after the muscle and tendon reach equilibrium (steady state). The muscle has the following force–length relationships:
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The tendon has the following force–strain relationship:
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The muscle and tendon parameters are
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| body | --uriencoded--\ell_o%5em = 10~\text%7Bcm%7D |
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| body | --uriencoded--\ell_s%5et = 20~\text%7Bcm%7D |
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| body | --uriencoded--F_o%5em = 5000~\text%7BN%7D |
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, and pennation .
For each of the following experimental conditions, calculate
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| body | --uriencoded--\ell%5eM |
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| body | --uriencoded--\ell%5et |
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.a)
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| body | --uriencoded--F%5et = 5000~\text%7BN%7D |
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b)
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| body | --uriencoded--F%5et = 2500~\text%7BN%7D |
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c)
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| body | --uriencoded--F%5et = 7500~\text%7BN%7D |
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d)
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| body | --uriencoded--F%5et = 5000~\text%7BN%7D |
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| title | Solution (only visible by instructors; please contact us to request access) |
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| S3.8 Furusawa's sprint model |
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| S3.8 Furusawa's sprint model |
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