(link)https://biomechhomeworks-confluence.atlassian.net/wiki/x/oAyW
Due: September 29, 2021
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Question 1
Problem 5.1 (2 marks each)
(a) Isometric
(b) At optimal fiber length
(c) Shorter than optimal fiber length
(d) Activated at 50% of maximum
(e) Inactive
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| 5.1 Interaction between muscle force–length, force–velocity, and activation |
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| 5.1 Interaction between muscle force–length, force–velocity, and activation |
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Question 2
Problem 6.2
(a) Draw a sketch to explain your answer. 2 marks
(b) 5 marks
(d) 3 marks
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| 6.2 Muscle moment arm variation with joint angle |
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| 6.2 Muscle moment arm variation with joint angle |
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Question 3
Problem 6.3
(a) Use the parameters shown here. 9 marks
| Hans | Franz |
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| body | --uriencoded--F_o%5eM |
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(N) | 100 | 100 |
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| body | --uriencoded--\ell_o%5eM |
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(cm) | 5 | 5 |
| Moment arm (cm) | 2 | 1.75 |
(b) Use the parameters shown here. 6 marks
| Hans | Franz |
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| body | --uriencoded--F_o%5eM |
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(N) | 100 | 150 |
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| body | --uriencoded--\ell_o%5eM |
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(cm) | 8 | 5 |
| Moment arm (cm) | 2 | 1.75 |
(c) 1 mark
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| 6.3 Hans and Franz compete at the muscle Olympics |
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| 6.3 Hans and Franz compete at the muscle Olympics |
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Question 4
Problem 5.3
(a) 2 marks
(b) 4 marks
(c) 4 marks
(d) 2 marks
(e) 2 marks
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| 5.3 Measurements of muscle active and passive force–length curve |
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| 5.3 Measurements of muscle active and passive force–length curve |
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| 6.1 Muscle moment arm, muscle–tendon length, and joint angle |
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| 6.1 Muscle moment arm, muscle–tendon length, and joint angle |
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| 4.1 Excitation–activation dynamics |
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| 4.1 Excitation–activation dynamics |
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