Ch 11 the muscular system Flashcards
This means the muscle responsible for most of movement
Prime Mover
This means muscle aids in the movement of the prime mover
Synergist
Muscle that opposes the action of the prime mover
Antagonist
what are the ways the skeletal muscles are named
- Size
- Shape
- Direction of fibers
- Location
- Number of origins
- place of origin
- Place of insertion
- Their Action
Define
Vastus
Huge
Define
Maximus
Large
Define
Minimus
Small
Define
Longus
Long
Define
Brevis
Short
Define - SHape
Deltoid
Triangular
Define - SHape
Latissimus
Wide
Define - SHape
Trapezius
Trapezoid
Define - SHape
Rhombus
Rhomboid
Define - SHape
Teres
Round
Fiber Direction
Rectus
Straight
Fiber Direction
Oblique
Diagonal
Fiber Direction
Transverse
Across
Fiber Direction
Circularis
Circular
Location
Brachii
Arm
Location
Supra
Above
Location
Infra
Below
Location
Sub
Underneath
Location
Lateralis
Lateral
Location
Intermedius
Between
Location
Medialis
Medial
opposets
Levator
Depressor
opposets
Supinator
Pronator
Muscles For Facial Expression
- Frontalis
- Orbicularis Oculi
- Zygomaticus Major
- Levator Labii Superioris
- Depressor Anguli Oris
- Mentalis
- Buccinator
- Risorius
- Platysma
Causes Wrinkles in the forehead
Frontalis
Closes the eyelids
Orbicularis Oculi
Elevates the corner of the mouth -smile
Zygomaticus Major
Elevates the upper lip
Levator Labii Superioris
Drepresses the lower lip
Depressor Labii Inferioris
Depresses the corner of the lower lip
Depressor Anguli Oris
Closes and purses the lips - whistle
Orbicularis Oris
Wrinkles the chin and protrudes the chin
Mentalis
Compresses the cheek - chewing
Buccinator
Pulls the corner of the lips laterally
Risorius
Tenses the skin of the neck, Depresses the mandible
Playtysma
Muscles that move the eyeball
- Superior Recti
- Inferior Recti
- Lateral Recti
- Medial Recti
- Superior Oblique
- Inferior Oblique
Moves the eyeball superiorly
Superior Recti
Moves the eyeball inferiorly
Inferior Recti
Moves the eyeball laterally
Lateral Recti
Moves the eyeball medially
Medial Recti
Moves the eyeball inferiorly and laterally
Superior Oblique