PLoS ONE,
Journal Year:
2022,
Volume and Issue:
17(10), P. e0267937 - e0267937
Published: Oct. 27, 2022
Maximal
strength
can
be
predicted
from
the
load-velocity
relationship
(LVR),
although
it
is
important
to
understand
methodological
approaches
which
ensure
validity
and
reliability
of
these
predictions.
The
aim
this
systematic
review
was
determine
factors
influence
maximal
predictions
LVR,
secondarily
highlight
effects
on
A
search
strategy
developed
implemented
in
PubMed,
Scopus,
Web
Science
CINAHL
databases.
Rayyan
software
used
screen
titles,
abstracts,
full
texts
their
inclusion/eligibility.
Eligible
studies
compared
direct
assessments
one-repetition
maximum
(1RM)
with
performed
using
LVR
reported
prediction
validity.
Validity
extracted
represented
graphically
via
effect
size
forest
plots.
Twenty-five
eligible
were
included
comprised
a
total
842
participants,
three
different
1RM
methods,
16
exercises,
12
velocity
monitoring
devices.
Four
primary
appear
relevant
efficacy
predicting
1RM:
number
loads
used,
exercise
examined,
metric
device.
Additionally,
specific
loads,
provision
feedback,
use
lifting
straps
regression
model
may
require
further
consideration.
British Journal of Sports Medicine,
Journal Year:
2020,
Volume and Issue:
55(7), P. 356 - 368
Published: Nov. 3, 2020
Elite
athletes
are
particularly
susceptible
to
sleep
inadequacies,
characterised
by
habitual
short
(<7
hours/night)
and
poor
quality
(eg,
fragmentation).
Athletic
performance
is
reduced
a
night
or
more
without
sleep,
but
the
influence
on
of
partial
restriction
over
1–3
nights,
real-world
scenario,
remains
unclear.
Studies
investigating
in
often
suffer
from
inadequate
experimental
control,
lack
females
questions
concerning
validity
chosen
assessment
tools.
Research
only
scratches
surface
how
influences
athlete
health.
wider
population
show
that
habitually
sleeping
<7
hours/night
increases
susceptibility
respiratory
infection.
Fortunately,
much
known
about
salient
risk
factors
for
inadequacy
athletes,
enabling
targeted
interventions.
For
example,
influenced
sport-specific
(relating
training,
travel
competition)
non-sport
female
gender,
stress
anxiety).
This
expert
consensus
culminates
with
toolbox
practitioners
covering
education
screening)
mitigate
these
optimise
sleep.
A
one-size-fits-all
approach
recommendations
7–9
unlikely
ideal
health
performance.
We
recommend
an
individualised
should
consider
athlete’s
perceived
needs.
needed
into
benefits
napping
extension
banking
sleep).
Neuroscience & Biobehavioral Reviews,
Journal Year:
2018,
Volume and Issue:
96, P. 272 - 289
Published: Nov. 2, 2018
Fatigue
and
workplace
sleepiness
are
consequences
of
modern
industrial
society.
is
a
complex
biological
phenomenon
that
occurs
as
function
time
awake,
time-of-day,
workload,
health,
off-duty
lifestyle.
two
major
factors
–
the
homeostatic
drive
for
sleep
circadian
rhythm
sleepiness.
The
greatest
cause
fatigue
insufficient
or
disrupted
sleep.
Excessive
in
on
highways
serious
safety
hazard,
results
numerous
accidents
adverse
mental
physical
health
outcomes.
Evidence-based
strategies
promote
better
optimize
work/rest
schedules
can
mitigate
impact
loss.
Proper
nap
scheduling,
work
breaks,
modeling
monitoring
tools,
detection
technologies,
pharmacological
countermeasures
be
implemented
at
home
and/or
to
reduce
performance
hazards.
Education
about
obtaining
adequate
sleep,
dangers
terms
both
cognitive
consequences,
availability
scientifically-proven
sleep-enhancement
alertness-management
essential.
BMC Public Health,
Journal Year:
2023,
Volume and Issue:
23(1)
Published: March 14, 2023
Trouble
sleeping
is
one
of
the
major
health
issues
nowadays.
Current
evidence
on
correlation
between
muscle
quality
and
trouble
limited.A
cross-sectional
study
design
was
applied
participants
aged
from
18
to
60
years
in
National
Health
Nutrition
Examination
Survey
(NHANES)
2011-2014
used
for
analysis.
Muscle
index
(MQI)
quantitatively
calculated
as
handgrip
strength
(HGS,
kg)
sum/
arm
appendicular
skeletal
mass
(ASM,
by
using
sum
non-dominant
hand
dominant
hand.
Sleeping
data
obtained
interviews
self-reported
individuals.
The
main
analyses
utilized
weighted
multivariable
logistic
regression
models
according
complex
multi-stage
sampling
NHANES.
Restricted
cubic
spline
model
explore
non-linear
relationship
MQI
sleeping.
Moreover,
subgroup
concerning
sociodemographic
lifestyle
factors
were
conducted
this
study.5143
finally
included
in.
In
fully
adjusted
model,
an
increased
level
significantly
associated
with
a
lower
odds
ratio
sleeping,
OR
=
0.765,
95%
CI:
(0.652,0.896),
p
0.011.
showed
association
However,
it
seemed
that
prevalence
decreased
increasing
until
reached
2.362,
after
which
plateau.
Subgroup
further
confirmed
negative
consistent
robust
across
groups.Overall,
revealed
can
be
reliable
predictor
Maintaining
certain
would
beneficial
sleep
health.
study,
causal
inference
worthy
exploration.
Frontiers in Physiology,
Journal Year:
2018,
Volume and Issue:
9
Published: July 4, 2018
Numerous
reports
suggest
there
are
low
and
high
skeletal
muscle
hypertrophic
responders
following
weeks
to
months
of
structured
resistance
exercise
training
(referred
as
herein).
Specifically,
divergent
alterations
in
fiber
cross
sectional
area
(fCSA),
vastus
lateralis
thickness,
whole
body
lean
tissue
mass
have
been
shown
occur
versus
responders.
Differential
responses
ribosome
biogenesis
subsequent
protein
synthetic
rates
during
seemingly
explain
some
this
individual
variation
humans,
mechanistic
vitro
rodent
studies
provide
further
evidence
that
is
critical
for
hypertrophy.
High
may
experience
a
greater
increase
satellite
cell
proliferation
This
phenomenon
could
serve
maintain
an
adequate
myonuclear
domain
size
or
assist
extracellular
remodeling
support
myofiber
growth.
also
express
microRNA
profile
enhances
insulin-like
growth
factor-1
(IGF-1)
mRNA
expression,
although
more
needed
better
validate
mechanism.
Higher
intramuscular
androgen
receptor
content
has
reported
training,
mechanism
enhance
the
effects
testosterone
training.
While
likely
possess
"good
genetics",
such
confined
single
gene
candidates
which
typically
share
marginal
variance
with
outcomes
(e.g.,
different
myostatin
IGF-1
alleles).
Limited
suggests
pre-training
type
composition
self-reported
dietary
habits
calorie
intake)
do
not
differ
Only
handful
examined
biomarkers
differentially
expressed
between
Thus,
other
molecular
physiological
variables
potentially
affect
response
discussed
including
rDNA
copy
number,
matrix
connective
properties,
inflammatory
mitochondrial
well
vascular
characteristics.
Sports Medicine,
Journal Year:
2022,
Volume and Issue:
52(11), P. 2669 - 2690
Published: June 16, 2022
Abstract
Background
Sleep
loss
may
influence
subsequent
physical
performance.
Quantifying
the
impact
of
sleep
on
performance
is
critical
for
individuals
involved
in
athletic
pursuits.
Design
Systematic
review
and
meta-analysis.
Search
Inclusion
Studies
were
identified
via
Web
Science,
Scopus,
PsycINFO
online
databases.
Investigations
measuring
exercise
under
‘control’
(i.e.,
normal
sleep,
>
6
h
any
24
period)
‘intervention’
loss,
≤
conditions
included.
Performance
tasks
classified
into
different
categories
(anaerobic
power,
speed/power
endurance,
high-intensity
interval
(HIIE),
strength,
strength-endurance,
skill).
Multi-level
random-effects
meta-analyses
meta-regression
analyses
conducted,
including
subgroup
to
explore
sleep-loss
protocol
(e.g.,
deprivation,
restriction,
early
[delayed
onset]
late
restriction
[earlier
than
waking]),
time
day
task
was
performed
(AM
vs.
PM)
body
limb
strength
(upper
lower
body).
Results
Overall,
227
outcome
measures
power:
n
=
58;
endurance:
32;
HIIE:
27;
strength:
66;
22;
strength-endurance:
9;
skill:
13)
derived
from
69
publications
indicated
a
negative
percentage
change
(%
Δ
)
(
959
[89%]
male;
mean
%
−
7.56%,
95%
CI
11.9
3.13,
p
0.001,
I
2
98.1%).
Effects
significant
all
categories.
Subgroup
that
pattern
restriction)
preceding
an
important
factor,
with
consistent
effects
only
observed
deprivation
late-restriction
protocols.
A
positive
relationship
between
awake
prior
both
protocols
(~
0.4%
decrease
every
hour
exercise).
The
PM
consistent,
while
AM
largely
unaffected.
Conclusions
appears
have
If
anticipated
unavoidable,
should
avoid
situations
lead
experiencing
or
prioritise
morning
effort
maintain
Sleep Medicine Reviews,
Journal Year:
2022,
Volume and Issue:
66, P. 101700 - 101700
Published: Oct. 9, 2022
There
currently
exists
a
modern
epidemic
of
sleep
loss,
triggered
by
the
changing
demands
our
21st
century
lifestyle
that
embrace
'round-the-clock'
remote
working
hours,
access
to
energy-dense
food,
prolonged
periods
inactivity,
and
on-line
social
activities.
Disturbances
patterns
impart
widespread
adverse
effects
on
numerous
cells,
tissues,
organs.
Insufficient
causes
circadian
misalignment
in
humans,
including
perturbed
peripheral
clocks,
leading
disrupted
skeletal
muscle
liver
metabolism,
whole-body
energy
homeostasis.
Fragmented
or
insufficient
also
perturbs
hormonal
milieu,
shifting
it
towards
catabolic
state,
resulting
reduced
rates
protein
synthesis.
The
interaction
between
metabolic
health
is
complex,
with
mechanisms
underpinning
sleep-related
disturbances
this
tissue
often
multifaceted.
Strategies
promote
sufficient
duration
combined
appropriate
timing
meals
physical
activity
maintain
rhythmicity
are
important
mitigate
inadequate
health.
This
review
summarises
complex
relationship
sleep,
biology,
muscle,
discusses
effectiveness
several
strategies
negative
disturbed
rhythms
Rwanda medical journal,
Journal Year:
2023,
Volume and Issue:
80(2), P. 88 - 94
Published: June 30, 2023
INTRODUCTION:
The
use
of
so-called
beneficial
music
such
as
432
Hz
can
be
a
support
before
andafter
rehabilitation
treatment.
However,
nowadays,
they
are
hardly
ever
suggested
because
theyare
often
little
known
or
disregarded
by
clinicians.
This
review
aimed
to
map
andsummarise
the
literature
identify
interventions
using
music.METHODS:
Four
databases
were
searched
until
December
2022.
studies
considered
useof
frequency
after
All
andcontexts
considered.
No
restrictions
applied
regarding
language,
study
design,
andpublication
type.
Grey
and
reference
lists
included
articles
not
identified.
Theresults
presented
in
numerical
thematic
form.RESULTS:
From
23
initial
registrations,
4
fulfilled
inclusion
criteria.
Most
articleswere
randomized
controlled
trials
(RCTs)
both
young
adult
sporty
nonsportypatients
who
used
five-toed
socks.
authors
discussed
only
one
range
interventions:conservative
(n
=
4).
Specifically,
socks
for
period
more
than
week.CONCLUSIONS:
is
first
scoping
provide
comprehensive
overview
topic.The
results
revealed
clear
gaps
primary
research,
confirming
that
current
management
basedon
knowledge
frequencies,
particularly
Hz.
may
useful
forgeneral
starting
point
future
research.
