Term
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Definition
| refers to the structure to which the muscle is attached that remains relatively fixed when the muscle contracts |
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Term
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Definition
| referst to the structure to which the muscle is attached that moves when the muscle contracts |
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Term
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Definition
| the thick part of the muscle between the origin and insertion |
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Term
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Definition
| cords of fibrous connective tissue by which a muscle is attached to its insertion and origin |
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Term
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Definition
| a broad, flat sheet of fibrous connective tissue by which a muscle is attached to its insertion or origin; these are less common than tendons |
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Definition
| a muscle which decreases an angle between 2 structures; or a muscle that bends one skeletal part in relation to another; ex: the biceps of the arm [this] the forearm |
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Definition
| a muscle which increases an angle between 2 structures; or a muscle that straightens one skeletal part in relation to another; ex: the triceps [this] the forearm |
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Definition
| a muscle which moves a part away from the main axis (midline) of the body; ex: the gluteus muscles that move the leg away from the midline of the body |
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Definition
| a muscle that moves a part toward the main axis (midline) of the body; ex: the [this] femoris muscle that brings the leg toward the midline |
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Definition
| a muscle which raises a body part; ex: the masseter which raises or closes the jaw |
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Definition
| a muscle which lowers a body part; ex: the digastrics which lower or open the jaw |
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Definition
| a muscle which moves a body part forward; ex: the pectoral muscles which move the arm forward |
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Definition
| a muscle which moves a body part backwards; ex: the lats which move the arm backward |
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Definition
| tough, white connective tissue which covers the muscles of the dorsal part of the lumbar region of the back |
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Term
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Definition
origin: lumbodorsal fascia
insertion: humerus
movement: adduct and medially rotate humerus |
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Term
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Definition
outer muscle of abdominal wall
origin: ribs and lumbodorsal fascia
insertion: by aponeurosis on linea alba
movement: compress abdomen and rotates vertebral column |
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Definition
| midventral line which external oblique inserts |
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Term
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Definition
just beneath the external oblique--fibers run almost perpendicularly to external oblique's fibers
origin: lumbodorsal fascia
insertion: by aponeurosis on linea alba
movement: compress the abdomen and rotate vertebral column |
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Term
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Definition
3rd abdominal wall muscle, beneath internal oblique; runs ventrally and slightly caudally; fibers run transversely
movement:compress the abdomen |
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Term
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Definition
abdominal muscle seen on either side of the linea alba
origin: pubis
insertion: sternum
movement: compress the abdomen and flex the vertebral column in an anterior direction |
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Term
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Definition
narrow, longitundinal muscle immediately adjacent to spinous process of vertebrae
movement: arching or extending the back |
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Term
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Definition
just lateral to the mulitfidus; appears as 2 muscles
movement: arching or extending back and lateral flexion of the back |
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Term
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Definition
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Term
| pectoantibrachialis (pectoralis descendens) |
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Definition
| a narrow, thin muscle which lies superficially to part of the next muscle and runs out to the forearm |
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Term
| pectoralis major (pectoralis transversus) |
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Definition
lies both deep to the pectoantibrachialis and caudal to it (smaller in cat; larger in human)
origin: sternum
insertion: humerus
movement: adduction and medial rotation of arm |
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Term
| pectoralis minor (pectoralis profundus) |
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Definition
lies both deep to the pectoralis major and caudal to it; larger in cat, smaller in man
movement: protracts the scapula |
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Term
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Definition
most caudal of the pectorals
origin: end of sternum
insertion: humerus |
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Term
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Definition
| superficial muscles of the back of the neck and dorsal part of the shoulder |
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Term
| clavotrapezius (cleidocervicalis) |
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Definition
most cranial portion of the trapezius from the neck to the shoulder
origin: small clavicle (continuous with clavobrachialis/clavodeltoid)
movement: elevates and rotates the scapula medially |
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Term
| acromiotrapizius (cervical trapezius) |
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Definition
thin, flat muscle found cranial to the spinotrapezius and covering much of the shoulder blade area
movement: adduct the scapula |
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Term
| spinotrapezius (thoracic trapezius) |
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Definition
one of the 3 parts to the cat trapezius, the most caudal part
Movement: depresses and rotates the scapula medially |
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Term
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Definition
wide, flat muscle which runs from the sternum to the mastoid region of the skull; passes deep to the external jugular vein
movement: flexes the neck laterally and rotates the head |
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Term
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Definition
runs from clavicle to the mastoid region; lies deep to the sternomastoid, clavotrapezius, and external jugular vein
movement: flexes the neck laterally and rotates the head |
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Term
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Definition
superficial portion can be seen on the shoulder area, but also is found deep to the clavotrapezius
movement: pull the scapula cranially |
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Term
| clavodeltoid (clavobrachialis) |
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Definition
continous from the clavotrapezius down onto the arm
movement: protract the arm |
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Term
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Definition
lies just caudal to the clavodeltoid and it runs to the humerus
movement: abduct the upper arm |
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Term
| spinodeltoid (scapulodeltoid) |
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Definition
runs from the spine to the scapula to the humerus
movement: extend the antebrachium or forearm |
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Term
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Definition
large muscle which covers caudal portion of the humerus and runs to the olecranon process of the ulna
movement: extend the antebrachium or forearm |
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Term
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Definition
spindle-shaped muscle located on the anterolateral surface of the humerus and runs to the proximal end of the humerus; in cat, partially covered by the pectoralis
movement: flex the antebrachium or forearm |
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Term
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Definition
relatively small; seen on the lateral side of the humerus
movement: flex the forearm |
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