Frontiers in Nutrition,
Год журнала:
2021,
Номер
8
Опубликована: Дек. 14, 2021
Most
sports
nutrition
guidelines
are
based
on
group
average
responses
and
professional
opinion.
Precision
for
athletes
aims
to
improve
the
individualization
of
practices
optimize
long-term
performance
health.
This
is
a
2-step
process
that
first
involves
acquisition
individual-specific,
science-based
information
using
variety
sources
including
lifestyle
medical
histories,
dietary
assessment,
physiological
assessments
from
lab
wearable
sensors,
multiomics
data
blood,
urine,
saliva,
stool
samples.
The
second
step
consists
delivery
advice,
behavior
change
support,
monitoring
health
efficacy
benefits
relative
cost.
Individuals
vary
widely
in
way
they
respond
exercise
nutritional
interventions,
understanding
why
this
metabolic
heterogeneity
exists
critical
further
advances
precision
nutrition.
Another
major
challenge
development
evidence-based
individualized
recommendations
embraced
efficacious
seeking
most
effective
enhancement
performance,
recovery,
At
time
an
emerging
discipline
will
require
continued
technological
scientific
before
approach
becomes
accurate
practical
fitness
enthusiasts
at
small
or
individual
level.
costs
challenges
appear
formidable,
but
what
already
being
achieved
today
through
sensor
technology
seemed
impossible
just
two
decades
ago.
International Journal of Sport Nutrition and Exercise Metabolism,
Год журнала:
2019,
Номер
29(2), С. 73 - 84
Опубликована: Март 1, 2019
The
International
Association
of
Athletics
Federations
recognizes
the
importance
nutritional
practices
in
optimizing
an
Athlete's
well-being
and
performance.
Although
encompasses
a
diverse
range
track-and-field
events
with
different
performance
determinants,
there
are
common
goals
around
support
for
adaptation
to
training,
optimal
key
events,
reducing
risk
injury
illness.
Periodized
guidelines
can
be
provided
appropriate
type,
amount,
timing
intake
food
fluids
promote
health
across
scenarios
training
competition.
Some
Athletes
at
relative
energy
deficiency
sport
arising
from
mismatch
between
exercise
expenditure.
Competition
nutrition
strategies
may
involve
pre-event,
within-event,
between-event
eating
address
requirements
carbohydrate
fluid
replacement.
"food
first"
policy
should
underpin
plan,
occasions
judicious
use
medical
supplements
nutrient
deficiencies
or
sports
foods
that
help
athlete
meet
when
it
is
impractical
eat
food.
Evidence-based
include
caffeine,
bicarbonate,
beta-alanine,
nitrate,
creatine;
however,
their
value
specific
characteristics
event.
Special
considerations
needed
travel,
challenging
environments
(e.g.,
heat
altitude);
special
populations
females,
young
masters
athletes);
restricted
dietary
choice
vegetarian).
Ideally,
each
Athlete
develop
personalized,
periodized,
practical
plan
via
collaboration
coach
accredited
experts,
optimize
International Journal of Sport Nutrition and Exercise Metabolism,
Год журнала:
2019,
Номер
29(2), С. 117 - 129
Опубликована: Фев. 12, 2019
Distance
events
in
Athletics
include
cross
country,
10,000-m
track
race,
half-marathon
and
marathon
road
races,
20-
50-km
race
walking
over
different
terrain
environmental
conditions.
Race
times
for
elite
performers
span
∼26
min
to
>4
hr,
with
key
factors
success
being
a
high
aerobic
power,
the
ability
exercise
at
large
fraction
of
this
running/walking
economy.
Nutrition-related
contributors
body
mass
anthropometry,
capacity
use
fuels,
particularly
carbohydrate
(CHO)
produce
adenosine
triphosphate
economically
duration
event,
maintenance
reasonable
hydration
status
face
sweat
losses
induced
by
intensity
environment.
nutrition
strategies
CHO-rich
eating
hours
per
days
prior
event
store
glycogen
amounts
sufficient
fuel
needs,
some
cases,
in-race
consumption
CHO
fluid
offset
losses.
Beneficial
intakes
range
from
small
amounts,
including
mouth
rinsing,
case
shorter
rates
intake
(75–90
g/hr)
longest
races.
A
personalized
practiced
plan
should
balance
benefits
consumed
within
practical
opportunities,
against
time,
cost,
risk
gut
discomfort.
In
hot
environments,
prerace
hyperhydration
or
cooling
may
provide
but
useful
accrued
thermal
challenge
deficit.
Sports
foods
(drinks,
gels,
etc.)
assist
meeting
training/race
plans,
caffeine,
and,
perhaps
nitrate
used
as
evidence-based
performance
supplements.
NMR in Biomedicine,
Год журнала:
2020,
Номер
34(5)
Опубликована: Фев. 10, 2020
Skeletal
muscle
phosphorus‐31
31
P
MRS
is
the
oldest
methodology
to
be
applied
in
vivo
metabolic
research.
The
technical
requirements
of
skeletal
depend
on
research
question,
and
assess
those
questions
requires
understanding
both
relevant
physiology,
how
methods
can
probe
it.
Here
we
consider
basic
signal‐acquisition
parameters
related
radio
frequency
excitation,
TR,
TE
,
spectral
resolution,
shim
localisation.
We
make
specific
recommendations
for
studies
resting
exercising
muscle,
including
magnetisation
transfer,
data
processing.
summarise
information
that
quantitatively
assessed
with
MRS,
either
measured
directly
or
derived
by
calculations
particular
models,
give
advice
potential
problems
interpretation.
expected
values
tolerable
ranges
some
quantities,
minimum
reporting
acquisition
experimental
results
publications.
Reliable
examination
depends
a
reproducible
setup,
standardised
preconditioning
subject,
careful
control
difficulties,
important
considerations
confounders.
Our
include
quantification
standardisation
contraction
intensity,
best
account
heterogeneous
recruitment.
highlight
pitfalls
assessment
mitochondrial
function
analysis
phosphocreatine
(PCr)
recovery
kinetics.
Finally,
outline
complementary
techniques
(near‐infrared
spectroscopy,
arterial
spin
labelling,
BOLD
various
other
MRI
1
H
measurements)
help
physiological/metabolic
interpretation
providing
about
blood
flow
oxygen
delivery/utilisation.
will
assist
achieving
fullest
possible
reliable
picture
physiology
pathophysiology.
International Journal of Sport Nutrition and Exercise Metabolism,
Год журнала:
2019,
Номер
29(2), С. 141 - 151
Опубликована: Янв. 11, 2019
Over
the
last
decade,
in
support
of
training
periodization,
there
has
been
an
emergence
around
concept
nutritional
periodization.
Within
athletics
(track
and
field),
science
art
periodization
is
a
cornerstone
with
recent
commentaries
emphasizing
underappreciated
complexity
associated
predictable
performance
on
demand.
Nevertheless,
varying
levels
evidence,
sport
event
specific
sequencing
various
units
sessions
(long
[macrocycle;
months],
medium
[mesocycle;
weeks],
short
[microcycle;
days
within-day
duration])
routine
approach
to
Indeed,
implementation
strategic
temporal
nutrition
interventions
(macro,
meso,
micro)
can
enhance
prescription
adaptation,
as
well
acute
performance.
However,
general
framework
how,
why,
when
could
be
implemented
not
yet
established.
It
beyond
scope
this
review
highlight
every
potential
application.
Instead,
will
focus
generalized
framework,
examples
macro-,
meso-,
microperiodization
for
macronutrients
carbohydrates,
and,
by
extension,
fat.
More
specifically,
authors
establish
evidence
rationale
situations
high
carbohydrate
availability,
more
chronic
manipulation
carbohydrates
coupled
training.
The
topic
periodized
made
considerable
gains
over
decade
but
ripe
further
scientific
progress
field
Sports Medicine,
Год журнала:
2021,
Номер
51(S1), С. 3 - 12
Опубликована: Сен. 1, 2021
Abstract
Adolescence
(ages
13–18
years)
is
a
period
of
significant
growth
and
physical
development
that
includes
changes
in
body
composition,
metabolic
hormonal
fluctuations,
maturation
organ
systems,
establishment
nutrient
deposits,
which
all
may
affect
future
health.
In
terms
nutrition,
adolescence
also
an
important
time
establishing
individual’s
lifelong
relationship
with
food,
particularly
the
connection
between
diet,
exercise,
image.
The
challenges
management
(e.g.,
school,
training,
work
social
commitments)
periods
fluctuating
emotions
are
features
this
period.
addition,
adolescent’s
peers
become
increasingly
powerful
moderators
behaviours,
including
eating.
natural
experimentation
can
extend
to
food
choice.
Adolescent
experiences
not
same
individuals
vary
considerably
their
behaviours.
To
ensure
adolescent
athlete
fulfils
his/her
potential,
it
stakeholders
involved
managing
youth
athletes
emphasize
eating
patterns
align
support
sound
physical,
physiological
psychosocial
consistent
proven
principles
sport
nutrition.
Antioxidants,
Год журнала:
2023,
Номер
12(5), С. 1050 - 1050
Опубликована: Май 5, 2023
In
recent
years,
microalgae
have
become
a
source
of
molecules
for
healthy
life.
Their
composition
carbohydrates,
peptides,
lipids,
vitamins
and
carotenoids
makes
them
promising
new
antioxidant
molecules.
Skeletal
muscle
is
tissue
that
requires
constant
remodeling
via
protein
turnover,
its
regular
functioning
consumes
energy
in
the
form
adenosine
triphosphate
(ATP),
which
produced
by
mitochondria.
Under
conditions
traumatic
exercise
or
muscular
diseases,
high
production
reactive
oxygen
species
(ROS)
at
origin
oxidative
stress
(OS)
will
lead
to
inflammation
atrophy,
with
life-long
consequences.
this
review,
we
describe
potential
effects
their
biomolecules
on
mitochondrial
functions
skeletal
during
exercises
musculoskeletal
as
sarcopenia,
chronic
obstructive
pulmonary
disease
(COPD)
Duchenne
dystrophy
(DMD),
through
increase
regulation
pathways
synthesis.
NMR in Biomedicine,
Год журнала:
2020,
Номер
34(5)
Опубликована: Фев. 5, 2020
1
H‐MR
spectroscopy
of
skeletal
muscle
provides
insight
into
metabolism
that
is
not
available
noninvasively
by
other
methods.
The
recommendations
given
in
this
article
are
intended
to
guide
those
who
have
basic
experience
general
MRS
the
special
application
H‐MRS
muscle.
highly
organized
structure
leads
effects
change
spectral
features
far
beyond
simple
peak
heights,
depending
on
type
and
orientation
Specific
for
acquisition
three
particular
metabolites
(intramyocellular
lipids,
carnosine
acetylcarnitine)
preconditioning
experiments
instructions
study
volunteers.
Frontiers in Nutrition,
Год журнала:
2021,
Номер
7
Опубликована: Фев. 9, 2021
Five
years
ago,
with
the
editorial
board
of
Frontiers
in
Nutrition,
we
took
a
leap
faith
to
outline
Goals
for
Nutrition
Science
–
way
see
it
(
1
).
Now,
2020,
can
put
ourselves
test
and
take
look
back.
Without
doubt
got
right
several
key
directions.
To
name
few,
Sustainable
Development
(SDGs)
Food
are
part
global
public
agenda,
SDGs
contribute
structuring
international
science
research.
Nutritional
has
become
critical
element
strengthening
work
on
SDGs,
development
appropriate
methodologies
is
built
groundwork
acquiring
analyzing
big
datasets.
Investigation
Human
Microbiome
providing
novel
insight
interrelationship
between
nutrition,
immune
system
disease.
Finally,
an
advanced
definition
gut-brain-axis
getting
glimpse
into
potential
Brain
Health.
Various
milestones
have
been
achieved,
any
future
will
consider
lessons
learned
from
Covid-19
sobering
awareness
about
frailty
our
food
systems
ensuring
security.
With
view
coming
5
2020
2025,
taken
slightly
different
approach
as
compared
previous
article.
A
mind
map
created
topics
nutrition
science.
Not
surprisingly,
when
looking
ahead,
majority
scientific
investigation
required
be
areas
health
sustainability.
Johannes
le
Coutre,
Field
Chief
Editor,
Nutrition.
Current Sports Medicine Reports,
Год журнала:
2021,
Номер
20(7), С. 338 - 344
Опубликована: Июль 1, 2021
Creatine
is
a
popular
and
widely
used
ergogenic
dietary
supplement
among
athletes,
for
which
studies
have
consistently
shown
increased
lean
muscle
mass
exercise
capacity
when
with
short-duration,
high-intensity
exercise.
In
addition
to
strength
gains,
research
has
that
creatine
supplementation
may
provide
additional
benefits
including
enhanced
postexercise
recovery,
injury
prevention,
rehabilitation,
as
well
number
of
potential
neurologic
be
relevant
sports.
Studies
show
short-
long-term
safe
tolerated
in
healthy
individuals
patient
populations.
International Journal of Sport Nutrition and Exercise Metabolism,
Год журнала:
2018,
Номер
29(2), С. 181 - 188
Опубликована: Дек. 3, 2018
The
main
focus
of
this
review
is
illness
among
elite
athletes,
how
and
why
it
occurs,
whether
any
measures
can
be
taken
to
combat
or
prevent
its
onset.
In
particular,
there
particular
interest
in
exercise-induced
immunodepression,
which
a
result
the
immune
system
regarding
exercise
(e.g.,
prolonged,
exhaustive
exercise)
as
challenge
function.
This
promotes
inflammatory
response.
There
often
high
incidence
athletes
after
undertaking
strenuous
exercise,
particularly
those
competing
endurance
events,
not
only
mainly
terms
upper
respiratory
tract
illness,
but
also
involving
gastrointestinal
problems.
It
may
well
that
largely
due
insufficient
recovery
time
being
allowed
after,
for
example,
marathon,
triathlon,
other
events.
Two
examples
moderate
versus
are
provided.
recent
years,
increasing
numbers
research
studies
have
investigated
origins,
symptoms,
these
bouts
attempted
alleviate
symptoms
with
supplements,
sports
foods,
immunonutrition.
One
aspect
present
discusses
iron
deficiency,
has
been
primarily
suggested
an
impact
upon
cell-mediated
immunity.
Immunonutrition
discussed,
new
techniques
investigating
links
between
metabolism