Chapter 8 Test Review Part Two Flashcards
The fleshy portion of a muscle
Belly
Part of a muscle name referring to fibers parallel to midline
Rectus
The end of a muscle attached to the stationary bone
Origin
Part of a muscle name referring to the smallest of a set of muscles
Minor
A muscle that stabilizes the origin of a prime mover
Fixator
The bicep brachii and triceps brachii muscles function as
Antagonist
Muscle that helps the prime mover function more efficiently
Synergist
Part of a muscle name referring to two headed origin
Biceps
Part of a muscle name referring to a muscle with circular shape
Orbicularis
Muscles generally move the bone they lie ____ to
Proximal
In order to move a bone a muscle must have its ___ on that bone
Insertion
Part of a muscle referring to fibers perpendicular to midline
Transverse
Muscles of the back (posterior trunk) function to do what action to the head, trunk, and upper arm
Extend
A muscle that produces an effect opposite of the primer mover
Antagonist
Part of a muscle name referring to the largest of a set of muscles
Maximus
The end of a muscle attached to the movable bone
Insertion
Part of a muscle name referring to a muscle with a triangular shape
Deltoid
Part of a muscle redder if to a three headed origin
Triceps
Most movements occur due to the contraction of a ___ of muscles
Group
The hamstring muscles function to do what action to the lower leg
Flex
Fixators __ the origin of the prime mover so that the prime mover can act more efficiently
Stabilize
Name the muscle with the following actions. Smiling
Zygomaticus major
Name the muscle with the following actions. Rotates the vertebral column to twist us sideways
External oblique
Name the muscle with the following actions. Flexes and rotates the head
Sternocleidomastoid