Episodic denervation as a driver of loss of skeletal muscle redox homeostasis and muscle weakness in sarcopenia: Possible amelioration by exercise
Sports Medicine and Health Science,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 1, 2025
Language: Английский
Age-Related Changes in Insulin Resistance and Muscle Mass: Clinical Implications in Obese Older Adults
Medicina,
Journal Year:
2024,
Volume and Issue:
60(10), P. 1648 - 1648
Published: Oct. 8, 2024
The
older
segment
of
the
global
population
is
increasing
at
a
rapid
pace.
Advancements
in
public
health
and
modern
medicine
lengthened
life
expectancy
reduced
burden
disease
communities
worldwide.
Concurrent
with
this
demographic
change
rise
overweight
people
obesity,
which
evident
all
age
groups.
There
also
an
aging-related
reduction
muscle
mass
function,
or
sarcopenia,
that
exacerbated
by
sedentary
lifestyle
poor
nutrition.
coexistence
loss
elevated
body
index,
termed
“sarcopenic
obesity”,
has
particularly
deleterious
consequences
individuals.
Worsening
insulin
resistance
proinflammatory
state
operate
pathophysiologic
level
lead
to
adverse
outcomes
such
as
proclivity
cardiovascular
disease,
type
2
diabetes,
even
cognitive
dysfunction.
Although
concept
sarcopenic
obesity
construct
being
increasingly
recognized,
clearer
understanding
warranted
order
define
its
components
impact.
Research
needed
molecular-cellular
tie
together
derangements
action,
cytokines,
myokines,
endothelial
dysfunction
clinical
outcomes.
Lifestyle
modifications
well
targeted
nonpharmacologic
approaches,
supplements
antioxidants,
appear
have
promising
role
reducing
chronic
emerging
disorder.
Breakthroughs
drug
therapies
retard
reverse
underlying
dynamics
sarcopenia
persons
are
actively
explored.
Language: Английский
Risk factors for sarcopenia in community setting across the life course: A systematic review and a meta-analysis of longitudinal studies
Archives of Gerontology and Geriatrics,
Journal Year:
2025,
Volume and Issue:
133, P. 105807 - 105807
Published: March 1, 2025
Language: Английский
Intra-Session Reliability and Predictive Value of Maximum Voluntary Isometric Contraction for Estimating One-Repetition Maximum in Older Women: A Randomised Split-Sample Study
Journal of Functional Morphology and Kinesiology,
Journal Year:
2025,
Volume and Issue:
10(2), P. 160 - 160
Published: May 6, 2025
Background:
Ageing
is
associated
with
a
progressive
decline
in
muscle
strength,
particularly
the
lower
limbs,
which
compromises
functional
independence.
While
both
maximum
voluntary
isometric
contraction
(MVIC)
and
one-repetition
(1RM)
are
widely
employed
to
assess
intra-session
reliability
predictive
capacity
of
MVIC
for
estimating
1RM
older
women
remain
insufficiently
explored.
Objectives:
This
study
aims
evaluate
knee
extensors,
analyse
its
correlation
1RM,
develop
model
from
women.
Methods:
Using
randomised
split-sample
design,
82
aged
60–69
years
performed
two
trials
one
test
using
leg
extension
machine.
Intra-session
was
assessed
by
calculating
intraclass
coefficient
(ICC),
standard
error
measurement
(SEM),
minimal
detectable
change
(MDC).
Furthermore,
linear
regression
developed
predict
based
on
MVIC.
Results:
demonstrated
excellent
(ICC
=
0.96,
SEM
4.3%,
MDC
11.9%),
strong
between
observed
(R2
0.618).
Although
equation
[(0.932
×
MVIC)
−
3.852]
did
not
yield
statistically
significant
differences
estimated
actual
values
(p
0.791),
it
exhibited
prediction
13.4%.
Conclusions:
highly
reliable
measure
represents
practical
tool
1RM.
Nonetheless,
accuracy
limited,
highlighting
need
further
studies
refine
models
incorporating
additional
variables.
Language: Английский
Impact of Exercise on Physiological, Biochemical, and Analytical Parameters in Patients with Heart Failure with Reduced Ejection Fraction
Medicina,
Journal Year:
2024,
Volume and Issue:
60(12), P. 2017 - 2017
Published: Dec. 6, 2024
Heart
failure
with
reduced
ejection
fraction
(HFrEF)
is
a
condition
marked
by
diminished
cardiac
output
and
impaired
oxygen
delivery
to
tissues.
Exercise,
once
avoided
in
HFrEF
patients
due
safety
concerns,
now
recognized
as
an
important
therapeutic
intervention.
Structured
exercise
improves
various
physiological,
biochemical,
analytical
parameters,
including
output,
endothelial
function,
skeletal
muscle
performance,
autonomic
regulation.
Biochemically,
induces
favorable
changes
inflammatory
markers,
lipid
profiles,
glucose
metabolism,
renal
function.
This
paper
reviews
these
changes,
highlighting
how
can
be
safely
incorporated
into
management.
Further
research
needed
tailor
interventions
for
individual
optimize
outcomes.
Language: Английский
A prospective study of associations between accelerated biological aging and twenty musculoskeletal disorders
Communications Medicine,
Journal Year:
2024,
Volume and Issue:
4(1)
Published: Dec. 18, 2024
Musculoskeletal
disorders
pose
major
public
health
challenges,
and
accelerated
biological
aging
may
increase
their
risk.
This
study
investigates
the
association
between
musculoskeletal
disorders,
with
a
focus
on
sex-related
differences.
We
analyzed
data
from
172,332
UK
Biobank
participants
(mean
age
of
56.03
±
8.10
years).
Biological
was
calculated
using
KDM-BA
PhenoAge
algorithms
based
blood
biomarkers.
were
diagnosed
ICD-10
criteria,
sample
sizes
ranging
1,182
to
23,668.
Logistic
regression
assessed
cross-sectional
associations
acceleration
(AA)
metrics
disorders.
Accelerated
Failure
Time
(AFT)
model
used
for
survival
analysis
evaluate
relationships
AAs
onset.
Models
adjusted
demographic,
lifestyle,
socio-economic
covariates.
The
threshold
P-values
set
by
Holm-Bonferroni
correction.
Cross-sectional
analyses
reveal
significant
fourteen
Survival
indicate
that
significantly
accelerate
onset
nine
including
inflammatory
polyarthropathies
(RTKDM-BA
=
0.993;
RTPhenoAge
0.983),
systemic
connective
tissue
0.987;
0.980),
spondylopathies
(RTPhenoAge=
0.994),
bone
density
structure
0.991),
gout
0.968),
arthritis
pain
in
joint
0.989),
low
back
0.986),
osteoporosis
0.994).
Sensitivity
are
consistent
primary
findings.
Sex-specific
variations
observed,
accelerating
spondylopathies,
arthritis,
females,
while
is
males.
associated
incidence
several
These
insights
highlight
importance
assessments
gauging
disorder
risk,
aiding
early
detection,
prevention,
management.
As
we
age,
our
bodies
experience
changes
can
lead
problems,
such
as
pain.
explores
how
aging,
measure
old
seem
biomarkers,
affects
risk
developing
these
Using
over
170,000
people,
found
faster
linked
an
increased
risks
vary
men
women.
findings
could
help
identify
people
at
earlier,
leading
better
prevention
treatment
strategies.
Wei
et
al.
investigate
link
highlighting
disparities.
Age
increases
notable
differences
males
females.
Language: Английский