Naming Muscles Flashcards
Muscle that opposes or resists movement.
Antagonist
Muscle that provides the majority of the force necessary to produce a movement.
Prime Mover
Muscle that helps the Prime Movers.
Synergists
Synergists that stabilize the origin.
Fixator
Ways to name skeletal muscles?
1) Direction of Muscles
2) size of muscle
3) Number of origins
4) Shape of muscles
5) Location(s) of attachment
6) Action of muscle
Example of…
Direction of muscle
Abdominal Oblique
Rectus Femoris
Example of…
Size of muscle
Pectoralis Major
Gluteus Maximas
Example of…
Location of Muscle
Temporalis
Frontalis
Tibialis Anterior
Example of…
Number of origin
Biceps
Triceps
Quadriceps
Example of…
Shape of muscle
Deltoid
Trapezius
Example of…
Location(s) of attachments
Sternocleidomastoid
Example of…
Action of muscle
Extensor Digitorum Longus
Arrangement of Fascicles
1) Parallel
2) Fusiform
3) Pennate
4) Convergent
5) Circular
Parallel Muscle
Long axes of fascicles run parallel to the long axis of the muscle
Fusiform Muscle
Parallel fascicles that bulge in the middle producing a spindle shape muscle
Types of Pennate Muscles
1) Unipennate
2) Bipennate
3) Multipennate
Pennate Muscle
Short fascicles that attach obliquely to a central tendon
Unipennate Muscle
Attached to one side of a tendon
Bipennate Muscle
Attached to both sides of a tendon
Multipennate Muscle
2 or more Bipennate fascicle groups extending from one tendon
Convergent Muscle
Broad origin and fascicle come together into a single tendon producing a fan shape
Circular Muscle
Muscle arranged in concentric rings
Example of…
Parallel Muscles
Sartorius Muscle
Example of…
Fusiform Muscle
Bicep Brachii
Example of…
Unipennate Muscle
Extensor Digitorum Longus
Example of…
Bipennate Muscle
Rectus Femoris
Example of…
Multipennate Muscle
Deltoid
Example of…
Convergent Muscle
Pectoralis major
Example of…
Circular muscle
Orbicularis Oris
