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Aging of Skeletal System

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by

Yuen Keng Ng

on 13 November 2015

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Transcript of Aging of Skeletal System

Aging of
Skeletal System

By age
45
and older, our
bone mass
and
density
start decreasing with age (decline of
hormones
:
estrogen
and
testosterone
) - greater impact in women than in men.
A
shorter trunk
, a
tilted neck
, and a more
curved posture
. Compression fractures often occur in vertebras.
Stiff joints,
mineral deposit
in joints, loss of
cartilage
are common.
Changes with
Age
Common Disorders in the Elderly
Osteoporosis
Loss in bone density
T-score - the bone density compared with what is normally expected in a heathy young adult of your sex
-1 and above: normal
between -1 and -2.5: sign of osteopenia (below normal and may lead to osteoporosis)
-2.5 and below: osteoporosis

Proper nutrition with ample calcium , Vitamin D and regular exercises can prevent the development of osteoporosis.
Bone Fractures
A break in bone: crack, dent or shatters, resulted from fall, injury or trauma; can be revealed by
x-ray
.
Gout
Deposition of
sodium urate crystals
in tissues and joints (cooler parts of the body)
Painful joints
Treated by
anti-inflammatory drugs
for relieving pain and inflammatory symptoms
Allopurinol
as
competitive inhibitor
of
xanthine oxidase
to prevent uric acid formation
Need to see doctors for treating
hyperuricemia (high plasma uric acid level)
Six important functions:
Support
Movement
Protection
for organs
Acid-base balance
(phosphate ions as a buffer)
Electrolyte balance
(bone as calcium reservoir)
Blood formation
(bone marrow to produce
red blood
cells, white blood cells, and platelets).
Open fracture:
a fracture that breaks through the skin.
Closed fracture:
does not cause a break through the skin.
Completed fracture:
the bone is broken into two or more pieces.
Displaced fracture:
the bone is not in a proper alignment.
Nondisplaced fracture:
the fractured bone is in proper alignment.
Hairline:
there is a crack in the bone.
Greenstick:
The bone has broken through one side but not completely through the other side.
Full transcript