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This problem was contributed by Hannah O'Day at Stanford University. |
Consider two muscles of equal volume, one of which is parallel-fibered and the other is pennate:
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| Parallel-fibered muscle | Pennate muscle |
For each of the following quantities in a typical Hill-type endmuscle model, which of the two muscles would have a greater value and why?
(a) Number of sarcomeres in series
(b) Optimal fiber length (in cm)
(c) Maximum isometric force (in N)
(d) Width of force–length curve (in cm)
(e) Maximum shortening velocity (in cm/s)
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