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SPARTA Pro : dietary protein intake and injury rate among high school athletes
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SPARTA Pro : dietary protein intake and injury rate among high school athletes
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http://www.ohsu.edu/xd/education/library/services/theses-dissertations/rights-statement.cfm
Title
SPARTA
Pro
:
dietary
protein
intake
and
injury
rate
among
high
school
athletes
Creator.PersonalName
Schaefer
,
Krista
Suzzanne
Thesis.Degree
M.S.
Thesis.Major
Clinical Nutrition
Thesis.DateDegreeAwarded
November
2009
Institution
Oregon Health & Science University
School
School of Medicine
Division
Graduate Programs in Human Nutrition
Thesis.Committee
Stadler, Diane D.
Elliot, Diane L.
Moe, Esther L.
Subject.MeSH
Dietary Proteins
Athletic Injuries
Adolescent Nutritional Physiological Phenomena
Adolescent
Call Number
Q171 S293 2009
Description.Abstract
Sport
related
injuries
affect
approximately
one
third
of US
adolescent
athletes
,
resulting
in
2
million
injuries
annually
.
Most
injury
prevention
research
has
focused
on
pre-season
screening
,
rule
modification
, and
protective
equipment
.
However
,
high
injury
rates
persist
,
suggesting
the
need
for an
expanded
injury
model
that
takes
into
consideration
lifestyle
factors
and
behaviors
,
which
includes
diet
. This
may
be a
productive
line
of
research
as
adolescents’
diets
often
are
inadequate
.
Consequences
of
inadequate
protein
intake
include
increased
lean
tissue
catabolism
and
weakened
recovery
response
from
exercise
,
potentially
leading
to
increased
injury
risk
. This
purported
relationship
led
us to
test
the
hypothesis
that
protein
intake
is
inversely
related
to
frequency
of
sport
related
injuries
among
high
school
athletes
. A
convenience
sample
of
270
adolescent
athletes
from
6
high
schools
completed
anonymous
surveys
near
the
conclusion
of the
spring
sport
season
(2009)
.
Sports
represented
included
women’s
lacrosse
,
volleyball
,
softball
,
tennis
, and
track
and
field
and
men’s
baseball
,
tennis
, and
track
and
field
. The
survey
included
the
Block
Kids
Screener™
for their
dietary
assessment
, and
additional
items
for
demographic
,
anthropometric
, and
sport
related
injury
information
.
Data
for
males
(n=127)
and
females
(n=101)
was
analyzed
separately
.
Descriptive
statistics
were
used
to
characterize
the
sample
, and
two
sample
proportion
z-tests
were
used
to
determine
differences
in
injury
rate
among
athletes
consuming
low
,
medium
and
high
amounts
of
protein
.
Independent
t-tests
were
used
to
analyze
differences
in the
mean
dietary
protein
intake
between
those
who
reported
and
did
not
report
injuries
.
Participants
had a
mean
(±
SD)
age
of
16
±
1
year
. The
mean
BMI
for
males
was the
68th
±
25th
percentile
and for
females
60th
±
22nd
percentile
.
Eighty-four
percent
of
participants
were
white
. The
average
energy
and
protein
intake
was
2070
±
808
kcal/d
and
97
±
41
g/d
for
males
and
1371
±
534
kcal/d
and
57
±
25
g/d
for
females
. The
ratio
of
daily
protein
intake
to
body
weight
was
1.3
±
0.6
g/kg/d
for
males
and
1.0
±
0.5
g/kg/d
for
females
,
compared
to the
1.2-2.0
g/kg/d
recommended
for
athletes
.
Self-reported
energy
and
macronutrient
intakes
were
lower
than
expected
for
adolescents
.
Thirty-four
percent
of
males
and
31%
of
females
were
injured
at
least
once
during
the
sport
season
.
Leg
injuries
were
most
common
for
both
.
Protein
intake
was not
different
among
males
consuming
low
,
medium
, or
high
amounts
of
protein
when
protein
intake
was
indexed
as
g/d
,
g/kg/d
, or
g/1000
kcals
.
However
,
interestingly
when
protein
intake
was
indexed
to
body
weight
,
females
in the
low
protein
group
had a
significantly
higher
rate
of
injuries
than the
high
protein
group
(p
=
0.0002)
.
Although
total
injuries
were not
related
to
protein
intake
among
males
,
mean
dietary
protein
intake
for
adolescent
males
reporting
shin
splints
was
significantly
less
than those
without
shin
splint
injuries
(p
=
0.015)
.
Findings
are
limited
by the
single
sport
season
,
relatively
small
participant
numbers
and
instrument
validity
.
Despite
these
limitations
,
results
suggest
a
potential
relationship
between
low
protein
intake
and
injuries
. This
is
the
initialobservation
of this
potentially
important
finding
.
Before
secure
recommendations
can
be
made
concerning
adolescent
athletes’
protein
intake
future
studies
are
needed
with
additional
participants
,
better
characterization
of
injury
and
validated
tools
to
measure
energy
and
macronutrient
intake
.
Language
eng
Type
Text
Format.Use
Needs Adobe Acrobat to view
Format.FileSize
1999947 Bytes
OCLC number
502453529
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