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A & P Exam #2 - Chap. 10
Terms in this set (12)
As muscles shorten, the _____ generally moves toward the ______
What are the four functional groups/classifications of muscles?
1. prime mover
prime mover (agonist) muscles
provides major force for a specific movement
produce opposite joint movement
oppose or reverse a specific movement
add force to and/or prevent undesired movement
- synergist that immobilizes a bone or muscle origin
- Muscle action that is the joint stabilizers, type of synergist
How can fascicles (bundle of muscle fibers) be arranged? (What are some of the arrangement patterns?)
2. fusiform (tapered at each end)
Muscles that maximize power at the expense of range of motion
Load between the fulcrum (the fixed point at which the lever pivots) and effort?
second class lever
What is a non-biological example of a first class lever system?
First Class Lever System
Fulcrum is in the middle; similar to a seesaw
What is a biological example of a third class lever system?
flexing the forearm by the biceps brachii
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