Title: Bone and Spine Health

Joint Replacement – History, Present and Future

Published on Sat, 06 Feb 2010 05:45:27

History of joint replacement is quite interesting. Earliest method for treating arthritis  was interposition arthroplasty using soft and flexible materials. But these substances lacked strengths and were not rigid enough to support. Metal and glass  were tried next in the form of condylar shapes attached to one of the joint. These provided some amount of success but read more.. Related posts:What Is Joint Replacement? Total Knee Replacements In Elderly Increases Mobility and Motor Skills

Anterior Longitudinal Ligament

Published on Fri, 05 Feb 2010 13:02:45

The anterior longitudinal ligament is a ligament that runs down the anterior surface of the spine. It traverses all of the vertebral bodies and intervertebral discs. This ligament is thick and slightly more narrow over the vertebral bodies and thinner but slightly wider over the intervertebral discs which is much less pronounced than that seen in read more.. Related posts:Alar Ligament Dermatome Motion Segment

What Is Joint Replacement?

Published on Fri, 05 Feb 2010 10:45:01

Joint replacement is a common orthopedic procedure done worldwide. A joint replacement aims at of replacing painful, arthritic or diseased parts of the joint with artificial surfaces. The artificial joint is called prosthesis. Hip and knee replacements are very common form of joint replacements. In medical terms the joint replacement is called replacement arthroplasty or total arthroplasty read more.. Related posts:Joint Replacement – History, Present and Future Total Knee Replacements In Elde

Intervertebral Foramen

Published on Thu, 04 Feb 2010 12:30:13

Between every pair of vertebræ are two apertures, the intervertebral foramina. The foramen allows for the passage of the spinal nerve root, dorsal root ganglion, the spinal artery of the segmental artery, communicating veins between the internal and external plexuses, recurrent meningeal  nerves, and transforaminal ligaments. Their size is variable due to placement, pathology, spinal loading, and read more.. Related posts:Spinal Nerve

What Is Bone Graft

Published on Thu, 04 Feb 2010 04:00:19

Bone grafting is a commonly performed surgical procedure. A bone graft transplants bone tissue. Bone grafts to repair and rebuild diseased bones in your hips, knees, spine, and sometimes other bones and joints. Grafts can also repair bone loss caused by some types of fractures or cancers. Once your body accepts the bone graft, it read more.. No related posts.

Dermatome

Published on Wed, 03 Feb 2010 12:30:36

A dermatome is an area of skin that is mainly supplied by a single spinal nerve. A similar area innervated by peripheral nerves is called a peripheral nerve field. Dermatomes are useful in locating  the site of damage to the spine. Important dermatomes and anatomical landmarks * C2 – posterior half of the skull cap * C3 – area correlating read more.. Related posts:Spinal Nerve

Rotrary Subluxation of C1 Vertebra On C2 Vertebra

Published on Wed, 03 Feb 2010 03:30:00

This is an uncommon injury in adults. Rotary C1-C2 subluxation is more common in children and that behaves differently from the injury in adults. Cause In adults, the injury is caused by motor vehicle accidents and often may be missed in initial evaluation of the patient. Presentation Following an injury , the patient complains of torticollis and restricted neck read more.. Related posts:Fracture of C1 Vertebra or Atlas Human Spine-Anatomy of Second Cervical Vertebra or Axis An Overview of Atlantoax

Spinal Nerve

Published on Tue, 02 Feb 2010 16:28:12

Spinal nerve is a mixed nerve (contains motor and sensory fibers). It is formed by joining the dorsal and ventral roots which come out of the spinal cord. After coming out of spinal cord these roots merge to form spinal nerve. The spinal nerve emerges from the spinal column through an opening (intervertebral foramen) between adjacent vertebrae. read more.. Related posts:Dermatome Intervertebral Foramen

Spurling maneuver

Published on Mon, 01 Feb 2010 12:44:26

Spurling maneuver is done by putting axial load on head with neck extension and lateral rotation toward each shoulder. Paresthesias radiating past either shoulder signify a positive Spurling maneuver for cervical nerve root impingement indicating cervical radiculopathy. Image credit :http://3.bp.blogspot.com/_ycjYvOGKTXY/S0Xseghp7CI/AAAAAAAAAEU/f89ya9wnMOQ/s1600-h/Spurling+maneuver.JPG Related posts:An Overview of Cervical Spondylosis What Is Open Mouth View Xray? Intervertebral Foramen Rel read more..

Upper Cervical Injury – Rupture of Transverse Ligament

Published on Sun, 31 Jan 2010 03:30:21

This is a pure ligamentous injury of upper cervical spine and behaves differently from other injuries of C1-C2 region. Most common cause of this injury is blow on the back of the head following a fall. How Does Transverse ligament Rupture? The ligament may either be avulsed with a bony fragment from the lateral mass on either side read more.. Related posts:Radiography and Other Imaging Studies In Upper Cervical Spine Injury Upper Cervical Spine Injury – An Overview Basic Anatomy of Upper Cervi