الفهرس 
ANATOMY OF THE HIP JOINTOnly 14 pages are availabe for public view
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Abstract
Osteoarthrosis is the commonest condition to affect synovial
joints, the single most important cause of locomotor disability, and
a major challenge to health care. Previously considered as a
degenerative disease that was an inevitable consequence of aging
and trauma, osteoarthrosis is now viewed as a metabolically
dynamic, essentially reparative process that Is increasingly
ameanable to treatment (Jones and Doherty, 1995).
Osteoarthrosis is not a single disease . It results from a
variety of patterns 9f joint failure. These can be summarised as
deformations in which there is deterioration and mechanical loss of
the articulating surface associated with a disturbance of the
configuration of the joint related to a series of reparative
phenomena which result in proliferation of new articular tissue at
the margins and base of the joint (Sokoloff, 1969 ).
Osteoarthrosis of the hip is frequently the result of obvious
anatomic defects, congenital or acquired,
traumatic, or metabolic. (Roland, 1984).
developmental,
Osteoarthrosis of the hip is frequent, and it may develop
early in adult life. The earliest roentgenographic changes are best
seen at the margins of the head of the femur , where osteophytes
form . Because of the superior margin of the acetabulum is often
irregular, this is not a reliable area in which to identify osteoarthrosis. The early joint space narrowrng IS usually
eccentric at the weight-bearing surface, becoming concentric
later. In rare instances, the entire hip joint may narrow equally,
which leads to confusion with rheumatoid arthritis (Solomon L., et
aL 1982).
In study of 500 patients with limb joint osteoarthrosis we
found that the hip stands out as a site with quite different
associations , being more likely to occur as alone problem in
younger, non-obese men than disease at other joint sites
(Cusltnagltan and Dippe, 1991).
This study is concerned with osteoarthrosis of the hip joint in
young adult patients.Full and through awareness of the anatomy of
the hip joint, understanding the congenital and developmental
changes of the hip joint and acquired disorders of the hip that are
responsible for development of osteoarthrosis in young adult.
Biomechanical aspects of normal and abnormal hip as well as the
pathological process of the disease.
Full assessment of the patient, including clinical such as
pam, stiffness, limping, deformity, limitation of movement and
inability to walk. Laboratory and image examinations is mandatory
before resorting to any line of treatment. Imaging technique that are
used to assess such condition include: Plain X-rays in different views in which there is diminution Hypertrophic spurring of bone is usually seen at the joint margin.
Also computed tomography, magnetic resonance imaging and
radioisotope scanning.
The problem of choosing the correct management of
osteoarthrosis in young adult hips is one of the most difficult
dicision facing an orthopaedic surgeon, so the treatment required
depends upon the severity of disability, the primary cause of
osteoarthrosis and the age of the patient. Different well known
conservative methods of treatment are used such as relative rest,
drugs (non-steroidal anti-inflammatory drugs), physiotherapy, stick
and injection inside the joint (Soloman, L. 1976).
Surgical procedures are required if the pain is severe and
interferes seriously with the patient’s capacity for walking to work.
The operations include osteotomies of proximal femur as
McMurray osteotomy, osteotomies of the pelvic ring as acetabulum
displacement osteotomy, replacement arthroplasty, arthrodesis and
excision arthroplasty which of a very little use.
With the development of the design, configuration and
bioengineering of the total hip arthroplasty, the role of joint
replacement in treatment of osteoarthrosis in young adult has
increased considerably.