Circular Muscles
-muscles that guard entrances and exits of internal passageways
-fascicles are concentrically arranged around an opening
Parallel Muscles
-functionally characteristics most closely resemble those of its muscle fiber
-most muscles in the body are parallel muscles
ex: rectus femoris, extensor digitorium longus, and deltoid
Pennate Muscles
-skeletal muscles in which the fascicles form a common angle with the tendon
Convergent Muscles
-muscles fibers pull in different directions
Prime Mover
-a muscle whose contraction is chiefly responsible for producing a particular movement
Muscles that insert on the olecranon process of the ulna act to...
extend the forearm
Synergist
-a muscle that assists the muscle that is primarily responsible for a given action
-glossus
tongue
Rectus Muscles
-muscles with fibers that run parallel to the long axis of the body
Superficialis Muscles
-muscles visible at the body surface
Medialis Muscles
-muscles located close to the midline of the body
Oblique Muscles
-muscles with fibers that run at an angel to the long axis of the body
Transversus Muscles
-muscles with fibers that run perpendicular to the long axis of the body
Extrinsic Muscle
-superficial muscles that position or stabilize an organ
Genio-
Chin
Internus Muscles
-muscles located entirely within an organ
Profundus Muscles
deep muscles
Teres Muscles
-muscles that are long and round in cross section
Muscles of Facial Expression
-buccinator
-depressor labii
-risorius
-mentalis
The mentalis muscles inserts on the...
skin of the chin
Orbicularis Oris
-the kissing muscle
-purses the lips
Origin of the Frontalis Muscle
epicranial aponeurosis
Corrugator Supercilii
-wrinkles the brow