Term
| Action of the Upper Fibers of the Trapezius |
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Definition
Bilaterally: extend the head and neck
Unilaterally:
Laterally flex the head and neck to he same side
Rotate the head and neck to the opposite side
Elevate the scapula (scapulothoracic joint) |
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Term
| Action of the Middle Fibers of the Trapezius |
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Definition
Adduct the scapula (S/T joint)
Stabilize the scapula (S/T joint) |
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Term
| Action of the Lower Fibers of the Trapezius |
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Definition
Depress the scapula (S/T joint)
Upwardly rotate the scapula (S/T joint) |
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Term
| Origin of the Trapezius Muscle |
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Definition
| External occipital protuberance, medial portion of the superior nuchal line of the occiput, ligamentum nuchae and spinous processes of the C7 - T12 |
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Term
| Insertion of the Trapezius Muscle |
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Definition
| Lateral 1/3 of clavicle, acromion and spine of the scapula |
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Term
| Nerve Innervation of the Trapezius Muscle |
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Definition
| Spinal portion of the cranial nerve XI (accessory) and ventral ramus C2, 3, 4 |
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Term
| Palpation of the Upper Fibers of the Trapezius |
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Definition
| Laying prone ask patient to lift head off the mat or to shrug shoulders |
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Term
| Palpation of the Middle Fibers of the Trapezius |
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Definition
| Laying prone, ask patient to bring shoulders off the table |
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Term
| Action of the Latissimus Dorsi |
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Definition
Extend the shoulder (glenohumeral joint)
Adduct the shoulder
Medially rotate the shoulder |
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Term
| Origin of the Latissimus Dorsi |
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Definition
| Inferior angle of scapula, spinous processes of the last 6 thoracic vertebrae, last three or four ribs, thoracolumbar aponeurosis and posterior ilac crest. |
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Term
| Insertion of the Latissimus Dorsi |
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Definition
| Intertubercular groove of the humerus |
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Term
| Nerve Innervation of the Latissimus Dorsi |
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Definition
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Term
| Action of the Rhomboid Major & Minor |
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Definition
Adduct the scapula (S/T joint)
Elevate the scapula
Downwardly rotate the scapula |
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Term
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Definition
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Term
| Origin of the Rhomboid Major |
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Definition
| Spinous process of the T2 to T5 |
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Term
| Origin of the Rhomboid Minor |
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Definition
| Spinous process of the C7 to T1 |
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Term
| Insertion of the Rhomboid Major |
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Definition
| Medial Border of the scapula between the spine of the scapula and interior angle |
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Term
| Insertion of the Rhomboid Minor |
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Definition
| Spinous processes of the C7 to T1 |
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Term
| Nerve Innervation of the Rhomboids (both) |
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Definition
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Term
| Palpation of the Rhomboids |
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Definition
| Laying prone, locate medial border of the scapula. Have patient bring back arm behind back and raise elbow. |
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Term
| Action of the Serratus Anterior |
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Definition
w/ Origin FIXED
Abduct the scapula (S/T joint)
Upwardly rotate the scapula
Depress the scapula
Hold the medial border of the scapula against the rib cage
w/ Scapula FIXED
May act to elevate the thorax during forced inhalation. |
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Term
| Origin of the Serratus Anterior |
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Definition
| External surfaces of the upper 8 or 9 ribs |
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Term
| Insertion of the Serratus Anterior |
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Definition
| Anterior surface of the medial border of the scapula |
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Term
| Nerve Innervation of the Serratus Anterior |
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Definition
| Long thoracic C5, 6, 7, 8 |
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Term
| Palpation of the Serratus Anterior |
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Definition
Laying supine, place fingers between lats and pec major.
Patient will reach toward the sky and put pressure on closed fist. |
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