List Seven 7 Ways of Naming Muscles

Topics: Hip, Flexion, Pelvis Pages: 9 (2723 words) Published: December 10, 2011
list seven ways List seven ways of naming muscles, giving an example of each

Name the principal axial muscles of the body and describe their origins, insertions, actions, and innervations.

Name the principal appendicular muscles of the body and describe their origins, insertions, actions, and innervations.

Compare and contrast the major muscle groups of the upper and lower limbs and relate their similarities and differences to their function.
 With over 700 muscles in the body, it can be hard to try to remember every single one. To aide us in this process there are ways to become more familiar and to help make these muscles more identifiable. There are at least 7 ways to do this. By having descriptive portion included in the muscle name is the major way of aiding one. This can be done by including the Location within the body, origin and insertion points, fascicle organization. The relative positions, structural characteristics and action. When using location in the body there may be a term included that is associated with a specific body region. At times a muscle may be so prominent that the name of the body region alone can identify it. Orbicularis occuli ---we know its in the eye region cause of occuli.

Origin and insertion is when muscles include terms for the part of the body specific to there origin and location one part orgin and second part the insertion. Names may be long and difficult to pronounce. Illiocostalis thoracis is an example illium and ribs in the thoracic cavity. Fascicle Organization is like the appearance the rectus abdominis which in the muscle located in our abs. There is a descriptive term of the muscle appearance and also a location name rectus means straight and abdo lets us know that it is in the abdominal region. Muscle positioning also known as Relative Position is a way where there is a term attached to exact positioning. For example externus for visible at the body surface or superficialis. Deeper muscles are termed internus or profundus. Muscles that stablize specific organs are known as extrinsic.

Structural Characteristics some names have something to do with how many of them are in a group triceps and quadriceps are prime examples having 3 muscles in the triceps and quadriceps has four muscles. Shapes of the muscles also can be a way to name them trapezius is like trapazoid and orbi- is like circle. Size also has a play in naming long (longus), smaller ,(minor) smallest (minimus),and so forth. 
 Action can play a part in naming. For example how the muscle moves or what it moves. For example abductor, adductor, we know the movement associated with this so that helps to identify. An example is the Extensor Digitorum muscle of the forearm. It extends the four fingers of the hand. 

Name the principal axial muscles of the body and describe their origins, insertions, actions, and innervations.

They are the head and neck muscles, muscles of the vertebral column, oblique and rectus muscles, as well as the muscles of the pelvic floor. The muscle groups of the head and neck have 6 muscle groups. The muscles that perform facial expression are originating on the skull. Extrinsic eye muscles are originating on the surface of the orbit and can also control the positioning of the eye. Muscles that move the mandible are the muscles of mastication. Tongue muscles end in glossus. The pharynx muscles start the beginning of the process of swallowing. Neck muscles on the anterior side support pharynx and tongue; they also push down the mandible and can control larynx position. Orbicularis oris constricts the mouth openeing. Buccinator moves food around within the mouth Epicranium are muscles of the scalp. Temporoparietalis, Occipiofrontalis are the frontal and occiital bellies they are separated by the epicranial aponeurosis.

The anterior surface of the neck. Is covered by the Platysma. The extra ocular muscles include Inferior, medial, superior and lateral rectus. As well as...
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