Muscular system Flashcards
1
Q
what does skeletal muscle consist of ?
A
skeletal muscle tissue
nervous tissue
blood vessels
connective tissue
2
Q
what is the fascia?
A
connective tissue covering that surrounds individual skeletal muscle , separating it from other muscles,
(if fascia extends beyond the ends of muscles it is called a tendon . and if it connects muscle to muscle its called a aponeurosis)
3
Q
what is the order of layers of connective tissue ?(from superficial to deep)
A
- )fascia (separates muscles )
- )epimysium(covers individual muscles)
- )perimysium(surrounds individual fascicles)
- )endomysium(surrounds each muscle fiber)
4
Q
what is the 1.)origin 2.)belly and 3.) insertion of muscle ?
A
- )origin: is the place the muscle starts . it is stationary when muscle contracts
- )thicker middle region of muscle
- )mobile end of muscle
5
Q
what are the 1.)prime movers 2.)synergists and 3.)antagonist
A
- )prime movers are the chief muscle for primary action
- )synergists assist the primary mover . they have the same action as prime mover
- )antagonist have opposite action to prime mover
6
Q
what is the fixator muscle?
A
muscle that fixes the joint in a given position during the movment of other joints