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Morphological Traits Around Patellofemoral Joint in Indian Femora and their Implications.
[trochlear dysplasia]
Knowledge
of
structural
variations
around
patellofemoral
joint
has
helped
to
understand
postural
behavior
patterns
of
various
population
groups
.
The
biomechanical
impact
of
postures
may
lead
to
certain
skeletal
modifications
which
may
contribute
to
knee
pathologies
like
patellofemoral
arthritis
,
patellar
subluxation
and
trochlear
dysplasia
.
This
study
was
conducted
to
report
the
incidence
of
skeletal
non-metric
markers
on
femur
in
Indian
population
and
to
understand
their
correlation
with
some
pathologies
of
patellofemoral
joint
.
The
traits
studied
were
Martin
's
facet
,
Peritrochlear
groove
and
Supratrochlear
facet
.
T
he
study
material
was
a
collection
of
152
adult
femora
from
osteology
museum
in
Department
of
Anatomy
,
Maulana
Azad
Medical
College
,
New
Delhi
,
India
,
with
equal
percentage
of
bones
from
each
side
and
gender
.
All
bones
were
evaluated
for
the
above
mentioned
traits
and
results
were
obtained
as
percentage
of
incidence
and
Chi
-
Square
test
using
SPSS
version
17
.
T
he
data
showed
that
Martin
's
facet
and
Peritrochlear
groove
showed
a
higher
occurrence
in
male
femora
.
However
,
Supratrochlear
facet
was
more
commonly
found
in
female
bones
.
Martin
's
facet
had
an
equal
incidence
on
femora
of
each
side
while
peritrochlear
groove
and
supratrochlear
facet
had
higher
percentage
of
occurrence
on
right
side
.
Supratrochlear
facet
revealed
significant
side
variation
.
These
data
suggest
that
casual
or
occupational
postures
may
impose
structural
adaptations
around
patell-
ofemoral
joint
.
The
stress
of
these
postures
may
have
causal
,
consequential
or
co
-incidental
relationship
with
joint
pathologies
.
The
gender
,
special
occupations
like
sports
and
genetic
predisposition
may
possibly
have
a
role
to
play
.