“To name all of our 206 bones!” HA #2 opens today

Appendicular & axial skeleton

Fig. 7.1(TE Art) axial appendicular Parietal bone Frontal bone Temporal bone Zygomatic bone Skull Maxilla Occipital bone Mandible Mandible Clavicle Clavicle Scapula Scapula Thoracic cage Sternum Humerus Ribs Vertebral column Pelvic girdle Ulna Radius Carpus Metacarpal bones Phalanges Femur Patella Fibula Tibia Metatarsal bones Tarsus Phalanges Calcaneus appendicular

Describe the location of the radius (using anatomical terminology). Anatomical position?? Identify bone 1, 2, 3 & 4 Describe the location of the radius (using anatomical terminology). List the bones that articulate with the clavicle. List the 3 bones that make up the pelvis. 1 2 3 4

Fig. 8.4(TE Art) Anterior Posterior Olecranon Olecranon Trochlear notch Head of radius Head of radius Neck of radius Neck of radius Ulna Radius Interosseous membrane Head of ulna Styloid process Styloid process Styloid process Articular facets

The Axial Skeleton Bones of the skull parts of the skull sinuses development of skull Vertebral column curves vertebrae & discs C1 & C2 Thoracic cage parts ribs

Hendrick Terbrugghen

La Fort fractures neurocranium viscerocranium

22 bones = skull 8 pairs, 6 singles Pairs: parietal, temporal, nasal, lacrimal, maxilla, zygomatic, inf. conchae, palatine Singles: frontal, ethmoid, sphenoid, mandible, occipital, vomer

External auditory meatus Mastoid process Mandibular condyle

Cribiform plate (ethmoid) Sella turcica Foramen magnum Base or floor of cranial cavity

Mx Z P S V T O P

Sinuses Frontal Maxillary (Sphenoid & Ethmoid) Opening of pharyngotympanic tube

Orifice of nasolacrimal duct

Blowout fractures of sinuses

Differences?

Mandible without teeth

Fontanelles: anterior, posterior sphenoid, mastoid Sutures: coronal, sagittal squamous, lambdoid Fontan = little fountain

Spine Vertebral column Backbone Cervical Thoracic Lumbar Sacral Coccyx

Normal and abnormal curves of the vertebral column

Intervertebral disc posterior Lamina Spinous process Transverse Pedicle Body Facet - inf. articulating Intervertebral disc Nucleus pulposus Annulus fibrosus laminectomy

Herniated disc (slipped disc)

transverse foramen

C1 or Atlas C2 or Axis C1- occipital condyle nodding “yes” Transverse foramen Superior articular facet C2 or Axis Dens C1- occipital condyle nodding “yes” C1- C2 via dens rotation “no”

Ribs & thoracic vertebrae 6

osteoarthritis

http://www.youtube.com/watch?v=cSH1YTQ1DB4&feature=related http://video.about.com/backandneck/Vertebral-Fusion.htm http://video.about.com/backandneck/Spinal-Fusion.htm http://www.youtube.com/watch?v=EvQPZxXr3Rs