Flashcards in Chapter 8 Part II Deck (45)
Part of a muscle name referring to fibers parallel to midline
The fleshy portion of a muscle
The end of a muscle attached to the stationary bone
Part of a muscle name referring to the smallest of a set of muscles
A muscle that stabilizes the origin of a prime mover
The the biceps brachii and triceps brachii muscles function as _____.
Muscles that helps the prime mover function more efficiently
Part of a muscle name referring to a two-headed origin
Part of a muscle name referring to a muscle with a circular shape
Muscles generally move the none they lie ____ to.
In order to move a bone, a muscle must have its _____ on that bone.
Part of a muscle name referring to fibers perpendicular to midline
Muscles of the back (posterior trunk) function to do what action to the head trunk, and upper arm?
A muscle that produces an effect opposite of the prime mover
Part of a muscle name referring to the largest of a set of muscles
The end of a muscle attached to the movable bone
Part of a muscle name referring to a muscle with a triangular shape
Part of a muscle name referring to a three-headed origin
Ost movements occur due to the contraction of a _____ of muscles
The hamstring muscles function to do what action to the lower leg?
Fixates _____ the origin of the prime mover so that they prime mover can act more efficiently.
Rotates the vertebral column to twist us sideways.
Flexes and rotates the head
Used in crossing our legs--flexes the leg at the knee joint and abducts and laterally rotates the thigh at the hip joint.
Together with the adductor group, adducts the thigh at the hip joint
Closes the eyelids
Extends the arm when the posterior portion contracts, abducts the arm when the lateral portion contracts, and flexes the arm when the anterior portion contracts
Abducts, flexes, or extends the arm at the shoulder joint.