Living Anatomy, Ch 8 Vertebral Column & Pelvis
Terms
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- How many bones in the Cervical Vertebrae?
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7 cervical vert. located in neck
They are small and bifurcated (forked)spinous process, have a foramen in the tranverse process - Where is the first cervical vertebra?
- Known as the Atlas because it articulates w/skull. Holds up skull
- What is the Second Cervical Vertebra
- Axis, distinguished by the dens/odonteoid process
- What is the Thoracic Vertebrae?
- Contains 12 vertebrae, distinguished by a long spinous process that slants downward
- Where is the spinous process?
- Row of lumps on the back
- What are the bones of the pelvis?
- Formed by two hip bones that have an anterior articulation in the publis symphysis, and posterior articulation w/sacrum.
- What is the first cervical vert that can be felt?
- C2
- What is the 1st Lumbar vert that can be felt?
- L-5 can be felt from the bottom up
- What lumbar vertebrae is at the top of the illiac crest?
- L4
- Inferior angle of scapula is spinus process of T-7 if Standing or lying down?
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Standing.
If lying is T-6 - What 3 bones form the hip?
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Ilium
Ischium
Pubis - Where is the crest of the Ilium?
- The bony ridge at top of hips
- Where are the Anterior Superior Iliac Spine and Posterior Superior Iliac spine?
- They are terminal points of iliac crest. Follow the crest anteriorly and posteriorly..stick out in front (bikini line bones!)
- Where is the Pubic Symphis?
- at terminal portion of the abdomen
- WHere is the Ischial Tuberosity?
- The sit bones
- What is Pubic Symphysis?
- Is the anterior connection of the two hip bones
- What is Lateral Flexion & Rotation of the Vertebral Column?
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Lateral Flexion - Bending to side
Rotating is looking over shoulder movement of upper body. - WHat is Backward Tilt of the Pelvis?
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Superior movement of symphysis pubis.
Backward tilt from hips. - What is lateral tilt of the Pelvis?
- Occurs when one iliac crest is above the other, as when standing on uneven surfaces.
- Where is the Sternocleidomastoid?
- Attaches at sternum and clavicle near the SC joint, runs to mastoid process of skull.
- What & where is the Scaleni?
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3 Scaleni muscles
Anterior
Medius
Posterior
They run btwn cervical vert and first 2 ribs - Where is the Quadratus Lumborum?
- Runs btwn lumbar vertebrae and crest of ilium (12th rib), Whole low back
- Where is the External Oblique?
- On the anterolateral aspect of the abdomen, runs obliquely between the ribs and iliac crest of pelvis.
- WHere is the Internal Oblique?
- Lies deep to the external oblique, between ribs and iliac crest
- Whatis the Lordosis?
- Normal in cervical lumbar. Exaggerated anterior curve.
- What is Kyphosis?
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Exaggerated posterior curve, is normal.
Hyper is more in increased curve forward. - What is scoliosis?
- Lateral deviation of the vertebral column. Upper curve of spine
- How many bones in the Vertebral Column?
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33 in 3 regions
Cervical
Thoracic
Lumbar
Separated by a disk of fibrocartilage. - What are the Lumbar vertebrae
- 5 in the lumbar region are largest of the freely moving vertebrae, straight, blunt spinous processes, large thick bodies
- What is Forward tilt of the Pelvis?
- Inferior movement of symphsis pubis...bending forward from hips
- What is Flexion & Extension of the Vertebral Column?
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Flexion - bending forward at neck or waist.
Extension - return to standing or bending backwards, or arching back - Where is the Erector Spinae group?
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Several muscle groups that runs length of both side of vert column.
Attach on vertebrae, adjacent ribs, and sacrum