external muscles definition
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abdominal external oblique muscle abdominal external oblique muscle n. A muscle with origin from the fifth to twelfth ribs, with insertion into the anterior lateral lip of the iliac crest, the inguinal ligament, and the anterior layer of the sheath of the rectus muscle of the abdomen, with nerve supply from the ventral branches of the lower thoracic nerves, and whose action diminishes the capacity of the abdomen and draws the chest down.
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Extraocular Muscles and Movements An agent that acts in physiological opposition: a muscle that contracts with and limits the action of an agonist with which it is paired—called also antagonistic muscle. 4 The short version of these formal definitions can be reworded as an agonist muscle being the muscle that works to achieve a desired action (e.g. looking left), while an antagonist muscle exists to perform the opposite action (e.g. looking right).
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Abdominal external oblique muscle From Wikipedia, the free encyclopedia. The external oblique muscle (of the abdomen) (also external abdominal oblique muscle) is the largest and the most superficial (outermost) of the three flat muscles of the lateral anterior abdomen.
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muscle Called also antagonist. appendicular muscle one of the muscles of a limb. articular muscle one that has one end attached to the capsule of a joint. auricular m's. 1. the extrinsic auricular muscles, including the anterior, posterior, and superior auricular muscles. See appendix 3-4.
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Anatomy Each rib is connected to the rib below it by both an external and internal intercostal muscle. The twelfth rib is the exception as it is the inferior-most rib. The external intercostal muscles are the more superficial of the two groups.
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Pectoralis Minor Muscle An interactive demonstration of the External Oblique Muscle (Insertion, Origin, Actions & Innervations) featuring the iconic GBS illustrations. An interactive demonstration of the External Oblique Muscle (Insertion, Origin, Actions & Innervations) featuring the iconic GBS illustrations.
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antagonist Antagonistic Muscle. (physiology) a muscle that opposes the action of another; the biceps and triceps are antagonistic muscles .A muscle that acts as the opposing force in contraction or relaxing of a muscle.
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- External Oblique. The largest and most superficial flat muscle in the abdominal wall. Its fibres run inferomedially. As the fibres approach the mid-line, they form an aponeurosis (a broad flat tendon). In the mid-line, the aponeuroses of all the flat muscles become entwined, forming the linea alba.
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External Abdominal Oblique Muscle The external obliques get their name from their position in the abdomen external to the internal abdominal obliques and from the direction of their fibers, which run obliquely (diagonally) across the sides of the abdomen....Click to read more below.uscle fibers in the external obliques run medially and inferiorly from the origins to the insertions across the lateral sides of the abdomen and end just lateral to the rectus abdominis muscles. The location and structure of the external abdominal obliques gives them many different possible actions.
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External oblique External oblique. The external oblique muscle is one of the largest parts of the trunk area. Each side of the body has an external oblique muscle. The external oblique muscle is one of the outermost abdominal muscles, extending from the lower half of the ribs around and down to the pelvis.he external obliques on either side not only help rotate the trunk, but they perform a few other vital functions. These muscles help pull the chest, as a whole, downwards, which compresses the abdominal cavity. Although relatively minor in scope, the external oblique muscle also supports the rotation of the spine.
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External Abdominal Oblique Muscle The external abdominal obliques are a pair of broad, thin, superficial muscles that lie on the lateral sides of the abdominal region of the body. Contraction of these muscles may result in several different actions, but they are best known for their lateral flexion and rotation of the trunk known as a side bend.ontraction of one of the abdominal obliques results in the lateral flexion and rotation of the trunk on the opposite side; in other words, the left external oblique rotates and flexes the trunk to the right.
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agonist muscle antagonist muscle muscles or muscle groups which neutralize action of another muscle or muscle group (see antagonist; muscle contraction).
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External Conflict Definition of External Conflict. External conflict is a struggle that takes place between the main character and some outside forces. Therefore, it is outside the body of the protagonist. Usually, it occurs when the protagonist struggles against the antagonist, a character that opposes the protagonist in the main body of the story.
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muscle appendicular muscle one of the muscles of a limb. articular muscle one that has one end attached to the capsule of a joint. auricular m's. 1. the extrinsic auricular muscles, including the anterior, posterior, and superior auricular muscles.
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External Female Genitalia External female genitalia are part of the female reproductive system, and include: mons pubis. labia majora. labia minora. clitoris. vestibule. hymen. vestibular bulb.
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Abdominal external oblique muscle From Wikipedia, the free encyclopedia. The external oblique muscle (of the abdomen) (also external abdominal oblique muscle) is the largest and the most superficial (outermost) of the three flat muscles of the lateral anterior abdomen.tructure [edit]. The external oblique is situated on the lateral and anterior parts of the abdomen. It is broad, thin, and irregularly quadrilateral, its muscular portion occupying the side, its aponeurosis the anterior wall of the abdomen.
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Urethral sphincters The urethral sphincters are two muscles used to control the exit of urine in the urinary bladder through the urethra. The two muscles are either the male or female external urethral sphincter and the internal urethral sphincter. When either of these muscles contracts, the urethra is sealed shut. The external urethral sphincter originates at the ischiopubic ramus and inserts into the intermeshing muscle fibers from the other side.
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- The external oblique muscle is one of the largest parts of the trunk area. Each side of the body has an external oblique muscle. The external oblique muscle is one of the outermost abdominal muscles, extending from the lower half of the ribs around and down to the pelvis.
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external for outward appearance or show; superficial: external politeness; not basic or essential: external factors; having to do with foreign countries and international affairs; Origin of external. Middle English from Classical Latin externus, outward, external from exter, exterus, on the outside, comparative form from ex, out of (see ex-) + -al
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Abdominal external oblique muscle From Wikipedia, the free encyclopedia. The external oblique muscle (of the abdomen) (also external abdominal oblique muscle) is the largest and the most superficial (outermost) of the three flat muscles of the lateral anterior abdomen.rom Wikipedia, the free encyclopedia. The external oblique muscle (of the abdomen) (also external abdominal oblique muscle) is the largest and the most superficial (outermost) of the three flat muscles of the lateral anterior abdomen.
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- The muscles of internal rotation include: 1  of arm/humerus at shoulder Deltoid muscle. Subscapularis. 2  of thigh/femur at hip Tensor fasciae latae. Gluteus medius. 3  of leg at knee Popliteus. Semimembranosus.  of eyeball (motion is also called intorsion or incyclotorsion) Superior rectus muscle. Superior oblique 1  muscle. Shoulder Articulations.
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- From Wikipedia, the free encyclopedia. The internal oblique muscle (of the abdomen) is the intermediate muscle of the abdomen, lying deep to (below) the external oblique and just superficial to (above) the transverse abdominal muscle.rom Wikipedia, the free encyclopedia. The internal oblique muscle (of the abdomen) is the intermediate muscle of the abdomen, lying deep to (below) the external oblique and just superficial to (above) the transverse abdominal muscle.
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muscle antagonistic muscle - (physiology) a muscle that opposes the action of another; the biceps and triceps are antagonistic muscles. muscle, musculus - one of the contractile organs of the body. agonist - a muscle that contracts while another relaxes; when bending the elbow the biceps are the agonist.
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External oblique Together, the external oblique muscles cover the sides of the abdominal area. The intercostal and subcostal nerves connect the external oblique muscles to the brain. The external obliques on either side not only help rotate the trunk, but they perform a few other vital functions. These muscles help pull the chest, as a whole, downwards, which compresses the abdominal cavity. Although relatively minor in scope, the external oblique muscle also supports the rotation of the spine.
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- The external abdominal oblique muscle is the largest and most superficial of the 3 paired, flat abdominal muscles. It arises from the lower 8 ribs and interdigitations of the serratus anterior muscle.
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What Is the Function of the External Oblique? The external obliques are responsible for rotating the trunk and pulling the chest downward to compress the abdominal cavity. They also provide support for the rotation of the spine. These muscles...