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Ch 5 Muscular Test

Enter the letter for the matching Answer
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1.
When the wrist is flexed, passive insufficiency of the _________ _________ occurs.
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2.
When actin and myosin filaments are positioned for maximal cross-bridging, this provides:
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3.
When a muscle contracts, typically, the bone the muscle is attached to that is more stable is referred to as the:
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4.
________ fibered muscles have a feather arrangement in which a muscle attaches at an angle to its tendon; much like feather tendrils attach to its quill:
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5.
Occurs when a muscle cannot be elongated any farther without damage to its fibers:
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6.
co-contraction occurs when there is a need for:
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7.
Muscles that look like a common feather; Its fibers are obliquely attached to both sides of a central tendon: Is it parallel or oblique?
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8.
If gravity is assisting the joint motion in an isotonic muscle contraction, the ANTAGONIST muscle is contracting ____________.
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9.
Describe the concept of neutralizer in wrist movements:
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10.
In terms of muscle attachment, the ___________ tend to be closer to the trunk, while the __________ tend to be closer to the distal end.
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11.
As a muscle contracts, the __________ moves toward the __________.
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12.
This muscle supports the joint to allow the agonist to work more efficiently:
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13.
Muscles can usually stretch to about _______ as far as they can be shortened.
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14.
The diagonal angle of pull of muscles is a _________ ________ of a verticle force and a horizontal force.
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15.
This muscle assists the agonist, but is not as effective:
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16.
Which type of kinetic chain involves the distal segment being free to move, while the proximal segment remains stationary?
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17.
Four-sided fiber arrangement with flat, broad attachements: Is it parallel or oblique?
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18.
Type of isotonic contraction in which the muscle 'lengthens', the origin and insertion move apart, and the contraction occurs WITH gravity - "deceleration":
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19.
Active insufficiency occurs to the ________ during contraction.
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20.
The slight tension that is present in a muscle at all times, even when the muscle is resting:
A.
twice
B.
Oblique
C.
origins / insertion
D.
accuracy NOTE: some think that co-contractions are common during learning a task, but disappears as the task is learned.
E.
the optimal ability for muscle contraction.
F.
eccentrically
G.
Eccentric contraction
H.
Flexor carpi radialis flexes and radial deviates. Extensor carpi radialis longus extends and radial deviates. In order to have pure radial deviation, the flexor and extensor neutralize each other so no flexing or extending occurs; just radial deviation.
I.
Open Kinetic Chain
J.
agonist (or prime mover)
K.
Stabilizer (or fixator)
L.
origin
M.
resultant force
N.
finger flexors
O.
passive insufficiency
P.
bipennate; oblique
Q.
assisting mover
R.
tone
S.
insertion / origin
T.
Rhomboidal; parallel
Type the Answer that corresponds to the displayed Question.
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21.
__________ muscle fibers are usually longer and tend to have a greater range of motion potential (can move the joint and distal segment further).
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22.
The muscle _________ ____ ________ determines the type of movement that occurs at the joint!
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23.
Muscle that works with another to enhance a particular motion (includes: Assisting mover, stabilizer, neutralizer)
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24.
The force built up within a muscle:
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25.
The length of the muscle when it is unstimulated; there are no forces or stress placed on it:
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26.
When the wrist is extended, passive insufficiency of the _________ _________ occurs.
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27.
Muscles that span over 2 joints may not have as much __________ as one-joint muscles.
Type the Answer that corresponds to the displayed .
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28.
ex) tibialis posterior of the ankle; semimembranous of hip/knee; flexor pollicis longus of the hand
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29.
ex) elbow flexors (biceps, brachialis, brachioradialis)
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30.
ex) sartorius of the thigh, rectus abdominus, sternocleidomastoid

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