Muscles Flashcards
(45 cards)
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 set of a muscles.
Minimus/ Minor
A muscle that stabilizes the origin of a prime mover.
Fixator
The biceps brachii and the triceps brachii muscles function as?
Antagonists
Muscle that helps the prime mover function more efficiently.
Synergist
Part of a muscle name referring to a two-headed origin
Biceps
Part of a muscle name referring to a muscle with a 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 name referring to the fibers perpendicular to the 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 prime mover.
Antagonist
Part of a muscle name referring to the largest 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 name referring 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
What muscle allows you to smile.
Zygomaticus major
Rotates the vertebral column to twist us sideways.
Obliques
Flexes and rotates the head.
Sternocleidomastiod
Used in crossing our legs–flexes the leg at the knee joint and abducts and laterally rotates the thigh at the hip joint.
Satorius