Skeletal Anatomy Neck and Spine

Bellwork Complete only the B portion of the BLT chart writing what you know about the neck and spine. Then put BLT chart aside until the end of the lesson.

Objective Recognize relevant skeletal anatomy for the neck and spine

Write-Pair-Share Write a list of all the skeletal structures of the neck and spine that you can recall from previous lessons Share with a partner Be ready to share with the class

Terminology Vertebrae- The bones making up the spinal column Cervical- The seven vertebrae that make up the upper most region of the spine Thoracic- Pertaining to the chest region of the body Lumbar- The five vertebrae that make up the low back Sacrum- The bottom most segment of the spine which consist of bones that are fused Coccyx- Three to four very small vertebrae also called the “Tail Bone” Body of vertebrae- Anterior portion of vertebrae Spinous Process- Posterior portion of vertebrae Transverse Process- Lateral portion of vertebrae

Terminology continued Vertebral Foramen- Hole or space where spinal cord runs Intervertebral Disc- Cartilage cushioning between vertebrae Vertebral Column- The skeletal spine Nerve Root- Opening on the lateral side of vertebrae where peripheral nerves leave the spinal column Spinal Cord- Portion of the central nervous system that is contained within the vertebral foramen.

Anatomy-Skeletal System Axial Skeleton

Lateral view of a Vertebrae

Superior View of Thoracic Vertebrae

Cervical Spine Vertebral Column Cervical (7) C1-Atlas C2-Axis Allow for rotation

Cervical Spine Vertebral Column Cervical (7) Cartilaginous joints Vertebral discs Foramen for the spinal cord

Cervical Spine Vertebral Column Highly mobile to allow for flexion, extension, rotation, circumduction & lateral bending

Thoracic Spine Vertebral Column Thoracic (12) Articulate with the ribs Also highly moveable Rotation, flexion, extension Abnormal curvatures

Thoracic Spine Vertebral Column Thoracic Abnormal Curvatures Scoliosis Lateral curvature Kyphosis Posterior curvature

Thoracic Spine Vertebral Column Thoracic Foramen for the spinal cord Distinguished by long transverse processes

Lumbar Spine Vertebral Column Lumbar (5) Largest bones Trunk flexion & extension Anterior curve Lordosis

Lumbar Spine

Sacrum & Coccyx Vertebral Column Sacrum (5) Fused Coccyx (4) Tail bone

Vertebral Anatomy Spinous process Transverse process Vertebral foramen Vertebral body Facet

Anatomy-Skeletal System Axial Skeleton Intervertebral Disk Prone to injury due to compression

Anatomy-Skeletal System Axial Skeleton Body Spinous Process

Anatomy-Skeletal System Axial Skeleton Cervical

Anatomy-Skeletal System Axial Skeleton Thoracic

Anatomy-Skeletal System Axial Skeleton Lumbar

PROPERTY OF PIMA COUNTY JTED, 2010 Numbered Heads 4 4. Numbered Heads students number off in a group from 1 to 4 teacher poses a question group discusses the answer teacher selects a number from 1 to 4 and asks all students who represent that number to raise their hand teacher calls on a non-volunteer or uses a random method to generate a number such as rolling die teacher provides feedback Student Number 1-4 Be able to identify the skeletal structure that the teacher is pointing to on the model or diagram. PROPERTY OF PIMA COUNTY JTED, 2010

Closure Finish your “L” and “T” columns on your BLT sheet Share your information with a neighbor