Skeletal System

Abbreviations

100

X-ray

XR

200

Fracture

Fx

300

Treatment 

Tx

400

Magnetic Resonance Imaging

MRI

500

Orthopedics

Orth

Types of Vertebrae

100

Cervical

C1-C7

200

Thoracic 

T1-T12

300

Lumbar

L1-L5

400

Sacrum

Triangular-shaped bone at the base of the spine

500

Coccyx

Tailbone

Bones of the Skull

100

Frontal

Forms the forehead

200

Parietal

Upper/lateral sides of the cranium

300

Temporal

Lower/lateral sides of the cranium

400

Occipital

Posterior skull and base of cranium

500

Sphenoid

"Keystone" bone that forms part of the base of the skull and eye sockets 

Orthopedic Conditions

100

Osteoporosis

Causes bones to become weak and thinner over time

200

Arthritis

Presents as edema, arthralgia, and ankylosis

300

Osteoarthritis 

Most common type of arthritis

Breakdown of cartilage and bones over time when joints are exposed to heavy workload 

400

Rheumatoid Arthritis (RA)

Autoimmune and inflammatory disease 

Typically to the joint tissue of the hands, wrists, and knees

500

Gout

Inflammatory arthritis caused when the immune systems attacks the crystals that form when uric acid builds up in the joint

Types of Fractures

100

Closed or Simple

Bones are NOT broken but do not protrude through skin

200

Open or Compound

Bones ARE broken and pierce through skin

300

Transverse

Bone is broken straight across

400

Spiral

Bone has twisted apart

500

Comminuted

Bones are broken and crushed into pieces