Term
| Cat soleus is all _____ twitch |
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Definition
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Term
| Cat gastrocnemius is ____ ____ twitch |
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Definition
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Term
1.
At the beginning of a frog jump, the _______ in the ___________ muscle shorten during the jump. |
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Definition
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Term
| 2. At the shortest sarcomere length, the muscle generates over ___ percent of its maximal muscle tension. |
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Definition
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Term
1. Frog Jumping
When the hip extensor muscle of a frog contracts, the ____ joint rotates around the point which the ____ attaches to the pelvis, pushing the frog off the substrate. |
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Definition
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Term
2. Frog Jumping
Sitting - thigh is held at a ____ angle in respect to the longitudinal axis to the body.
Crouched - angle of the hip joint is ____ and hip extensor muscle is ______. |
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Definition
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Term
3. Frog jumping
When the semimembranosus muscle contracts, the angle of the hip joint _______ as contraction of the muscle acts through a moment arm to pull on the _______. As a result, the frogs legs push against the substrate, propelling the body ____ and _____. |
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Definition
increases
pelvis
upward
forward |
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Term
1. Fish muscle
In fish, muscle fiber types anatomically _______ from each other, facilitating ___________ monitoring of activity in specific fiber types. |
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Definition
separate
electromyographic |
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Term
2. Fish muscle
Type 1 fibers |
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Definition
slow-twitch oxidative
red muscles |
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Term
3. Fish muscle
Type 1 fiber lie in a _____ layer underneath skin. Run ______ to body axis so the change in sarcomere shortening is directly related to _______ of the spine and ________ separating the muscle layer from the spine. |
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Definition
thin
parallel
curvature
distance |
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Term
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Definition
fast twitch glycolytic
white muscle |
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Term
5. Fish Muscle
Type IIb located _____ in the body. They run _______ to the long axis of the body. They need to shorten about ____ percent as much red muscles due to position. |
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Definition
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Term
| Fibers used during normal swimming |
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Definition
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Term
| Fibers used during escape response |
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Definition
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Term
1.
Vertebrate muscles are typically arranged in _______ pairs, each muscle is innervated by a separate group of _____ neurons, called it's _____ ______. |
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Definition
antagonistic
motor
motor pool |
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Term
2.
The motor pools of _______ muscles tend to be active at the same time, while the motor pools of ________ muscles tend not to be active at the same time |
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Definition
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Term
| Adult mammalian contractile cardiac muscle has an extensive _______ ________. As in skeletal muscle, T tubules are associated with ___ disks and come into close apposition with the ___. Unlike skeletal muscle fibers, cardiac contractile fibers are connected to one another _______ through _________ disks, at which the extensive membranes of neighboring cells are coupled by numerous _____ _____ and held tightly together by ________. |
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Definition
sarcoplasmic reticulum
Z
SR
electrically
intercalated
gap junctions
desmosomes |
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Term
In smooth muscle, thin and thick filaments interdigitate but are not organized into ________. Thin filaments are anchored to _______ ______ (dense bodies and dense areas abutting the membrane).
Thick filaments lie between ____ ______.
The two types of fibers are coupled by ___ ______, indicating that these fibers are _______ coupled.
Fibers are also held together by strong ________ junctions |
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Definition
attachment plaques
thin filaments
gap junctions
electrically
mechanical |
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Term
| Microscopy differentiation |
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Definition
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Term
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Definition
| smooth, skeletal, cardiac |
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Term
| Innervation differentiation |
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Definition
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Term
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Definition
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Term
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Definition
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Term
| Muscle fibers have multiple |
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Definition
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