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27 terms

Anatomy Chapter 10

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Most muscles cross at least one:
joint
The attachment of muscles tendon to the stationary bone is called the _____; the attachment of the muscle's other tendon to the movable bone is called _____.
origin, insertion
This is an inflammation of the synovial membrane surrounding a joint:
tenosynovitis
A lever is acted on at two different points by two different forces that are
effort and load
Motion will occur in a muscle when the _____ supplied exceeds the _____.
effort, load
Which of the following is not a fascicle arrangement?
pennate, circular, fusiform, parallel (all are)
This type of fascicle arrangement has the fascicles spread over a broad area and converges at a thick central tendon.
convergent
What is another name for a prime mover?
agonist
This type of muscle works by stabilizing the origin of a prime mover so that it can act more efficienty.
fixator
Which of the following is NOT one of the descriptive ways to name a muscle?
number of cells
Tendinitis of the tibialis anterior can result in a painful condition commonly known as:
shinsplints
The attachment of a muscle to the more stationary bone is the:
origin
The longer the fibers in a muscle, the greater its:
range of motion
A runner suffers a pulled hamstring. which of the following muscles might be involved?
biceps femoris
What criterion is used in naming the gluteus medius?
relative size
In order for skeletal muscles to cause skeletal movement they must:
cross at least one joint
Which of the following is true of synergistic muscle groups?
they contract together for coordinated movement
An example of a circular muscle is the:
orbicularis oris
Antagonistic muscle groups:
perform opposite functions
The maximum ability to move the bones of a joint through an arc is:
range of motion
Muscles that hold the scapula firmly in place with the forearm moves are called the:
fixators
An adductor muscle:
moves a part of the body toward the midline
Severing the patellar tendon would inactivate the hamstring group of muscles.
false
The arrangement of muscles fascicles determine its range of motion and power.
true
Muscles are only able to pull, they never push.
true
Regardless of type, an effort farther than load form fulcrum equals a mechanical advantage whereas an effort nearer the load to fulcrum equals a mechanical disadvantage.
true
The deltoid is a prime mover of the arm that acts in adduction
false