Muscles Flashcards
1
Q
Electrical stimulus is known as?
A
Electrical excitability (irritability)
2
Q
What’s is Endomysium?
A
Connective tissue surrounding muscle fibers
3
Q
What is perimysium?
A
Connective Tissue layer surrounds fasicicle
4
Q
What is epimysium?
A
Outermost later of connective Tissue that surrounds whole muscle (fascicle bundles)
5
Q
What is Hilton’s law?
A
A cross between muscle, nerve and joint
6
Q
What is an agonist?
A
Prime mover
7
Q
What is an antagonist?
A
Oppose prime mover (resistance)
8
Q
What is a synergist?
A
Assist prime movers (agonist)
9
Q
What is a fixator (stabilizer)?
A
Supports body while agonist/synergist function
10
Q
What are the 3 rules of muscles?
A
- Skeletal muscles contract and relax
- Muscles only act on a joint that they cross
- Muscles work best in the direction of their Fibers
