Hep205 Flashcards
What directional term is used for fibers oriented straight with respect to longitudinal axis
Rectus
What directional term is used for fibers that run at an angle with respect to the longitudinal axis
Oblique
What directional term is used for fibers that run in a circular path
Orbicularis
What term is used to describe something that is the shortest
Brevis
What term is used for something that is the longest
Longus
Triangular in shape
Deltoid
Shaped like a trapezium or kite
Trapezius
What do you call a muscle whose contraction bends a limb or other part of the body.
Flexor
What do you call a muscle whose contraction extends or straightens a limb or other part of the body.
Extensor
What is a muscle whose contraction moves a limb or other part of the body toward the midline of the body or toward another part.
Adductor
a muscle whose contraction moves a limb or other part of the body away from the midline of the body or away from another part.
Abductor
Where muscles attach at a fixed end
Origin
The movable end that attaches to another structure
Insertion
Skeletal muscles are made up of parallel bundles of fibers called
Fascicles
Four most common types of vesicle arrangements
Circular convergent parallel pennate
Blend into a tendon that runs through the central region of the muscle for its whole length somewhat like the quill of a feather
Pennate fascicles
A widespread expansion over a sizable area and the fascicles come to a single common attachment point
Convergent fascicles
These muscles are also called sphincters
Circular fascicles
Fascicles that extend in the same direction as the long axis of the muscle
Parallel fascicles
Bone that is longer than it is wide
Long bone (humerus)
Bone that is about as wide as it is tall
Short bone (carpal of wrist)
An example of a flat bone
Sternum
An example of a irregular bone
Vertebra
Large rounded projection, may be roughened
Tuberosity