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44 Cards in this Set
- Front
- Back
List the bones indicated by the lines.
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Skull
Vertebra Scapula Ribs Vertebral Column and Pelvic Bone |
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Another name for the extrinsic back muscles
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Superficial Back Muscles
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Purpose of the Extrinsic Back Muscles
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Movement of the upper limbs and ribs
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Another name for the intrinsic back muscles
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Deep back muscles
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Purpose of the Intrinsic muscles
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Maintain posture
Move Vertebral Column |
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How many vertebrae in the vertebral column total?
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33 vertebrae
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What is this movement?
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Extension and Flexion
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What is this movement?
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Lateral Flexion
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What is this movement?
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Rotation
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What is the purpose of the vertebra?
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Protect the spinal cord
and Transmit all the spinal nerves |
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Where does the spinal cord reside?
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VERTEBRAL CANAL
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Where does the spinal nerve exit out of the vertebral column?
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INTERVERTEBRAL FORAMINA
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What are these?
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Spinal Cord and Nerve
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What are these?
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Anterior and Posterior Rami
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This innervates the deep back muscles and the skin of the back
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Posterior Rami
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This innervate the Superficial Back and the upper and lower limbs
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Anterior Rami
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Which Rami is larger, posterior or anterior?
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Anterior
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A region of the skin that is innervated by a spinal nerve
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Dermatome
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Region of curvature and degree relating to development.
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Cervical (secondary)
Thoracic (primary) Lumbar (secondary) Sacral (primary) |
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First layer of the Superficial Back Muscles
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Trapezius and Latissimus Dorsi
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What are the muscles immediately deep to the trapezius and latissimus dorsi?
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Levator Scapulae
Rhomboid Minor Rhomboid Major |
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Name the parts of the scapula
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Facet for the clavicle
Acromion Coracoid Process Glenoid Cavity Subscapular Fossa |
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What are these?
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wow...
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Name the angles and border of the Scapula
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1. Superior Angle
2. Superior Border 3. Lateral Angle 4. Lateral Border 5. Inferior Angle 6. Medial Border |
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Name this groove?
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Intertubercular or bicipital groove
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Which muscle attaches here?
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Lattisimus Dorsi Muscle
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What's this?
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Triangle of auscultation
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What are the origins and insertions of the trapezius?
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Origin: Superior nuchal line, external occipital protuberance, ligamentum nuchae, spinous processes of CVII and TXII
Insertion: Lateral one-third of the clavicle acromion, spine of scapula |
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What innervates the trapezius?
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Accessory nerve XI
Proprioceptive (Capable of receiving stimuli originating in muscles) fibers of the trapezius goes between C3 and C4 |
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The trapezius is supplied by ______.
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Superficial branch of the transverse cervical artery
Acromial branch of the suprascapular artery Dorsal branches of posterior intercostal arteries |
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The function of the trapezius
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Elevate Scapula
Rotate Scapula-->abduction of upper limbs |
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The origin and insertion of the Latissimus Dorsi
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Origin: TVI to LV spinous processes and sacrum, iliac crest, ribs X to XII
Insertion: intertubercular sulcus (groove) of humerous |
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This innervates the Latissimus dorsi
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Thoracodorsal nerve (C6 to C9)
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The _______ ______ supplies the Latissimus dorsi
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Thoracodorsal artery
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What is the function of the Latissimus dorsi?
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Upper limb extension, adduction and medial rotation of the humerus
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What are the origin and insertion of the Levator scapulae?
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Origin: CI to CIV transverse processes
Insertion: Upper portion of the medial border of the scapulae (anterior) |
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These nerves innervate the Levator scapulae
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C3 to C4 and dorsal scapular nerve (C4, C5)
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Levator scapulae function
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Scapula elvation
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Levator scapulae blood supply
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transverse and ascending cervical arteries
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Origin and Insertion of the Rhomboid major
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Origin: TII-TV Spinous Processes
Insertion: Medial border of scapula (between the spine and inferior angle) |
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The Rhomboid major and minor are innervated by the _____ ______ nerve.
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Dorsal Scapular (C4, C5)
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Function of the Rhomboid major and minor
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adduct and elevate scapula
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Blood supply of the Rhomboids
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Superficial branch of transverse cervical artery (aka. dorsal scapular a.)
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Origin and insertion of the Rhomboid minor
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Origin: Lower portion of ligamentum nuchae, spinous processes of CVII and TI
Insertion: Medial border of scapula at the scapula spine |
