Meta-analyses of the effects of high-intensity interval training in elite athletes—part I: mean effects on various performance measures
Frontiers in Physiology,
Journal Year:
2025,
Volume and Issue:
15
Published: Jan. 3, 2025
Meta-analysts
have
found
that
high-intensity
interval
training
(HIIT)
improves
physical
performance,
but
limited
evidence
exists
regarding
its
effects
on
highly
trained
athletes,
measures
beyond
maximum
oxygen
uptake
(
V˙
O2max),
and
the
moderating
of
different
types
HIIT.
In
this
study,
we
present
meta-analyses
HIIT
focusing
these
deficits.
The
6
other
moderators
were
derived
from
34
studies
involving
endurance
elite
athletes
in
percent
units
via
log-transformation
separate
meta-regression
mixed
models
for
sprint,
time-trial,
aerobic/anaerobic
threshold,
peak
speed/power,
repeated-sprint
ability,
O2max,
exercise
economy.
level
effect
magnitudes
was
evaluated
based
uncertainty
smallest
important
change
1%.
Compared
with
control
training,
showed
good
to
excellent
substantial
enhancement
most
some
athlete
subgroups
practically
study
settings
defined
by
(maximum
12.6%,
female
after
weeks
aerobic
traditional
long
intervals).
assessment
indicated
greater
as
follows:
more
O2max
(+2.6%);
added
conventional
(+1.1-2.3%);
during
competition
phase
(+4.3%);
tests
longer
duration
sprint
(+5.5%)
time
trial
(+4.9%).
sex
type
unclear
moderators.
heterogeneity
within
a
given
setting
varied
small
moderate
(standard
deviations
1.1%-2.3%)
reduced
benefit
settings.
Although
can
be
confident
beneficial
related
further
research
is
needed.
There
mean
economy
modifying
sex,
intervention,
measures.
https://www.crd.york.ac.uk/PROSPERO/display_record.php?RecordID=236384.
Language: Английский
The Role of High-Intensity Interval Training (HIIT) in Neuromuscular Adaptations: Implications for Strength and Power Development—A Review
Life,
Journal Year:
2025,
Volume and Issue:
15(4), P. 657 - 657
Published: April 16, 2025
High-intensity
Interval
Training
(HIIT)
is
increasingly
recognized
for
enhancing
neuromuscular
function,
strength,
power,
and
overall
athletic
performance.
This
review
systematically
examined
peer-reviewed
studies
published
between
2000
2025,
focusing
on
HIIT’s
impact
motor
unit
recruitment,
muscle
fiber
composition,
efficiency,
maximal
rate
of
force
development
(RFD),
hypertrophy,
power
output.
Findings
indicate
that
HIIT
significantly
improves
activation
by
increasing
recruitment
synchronization,
particularly
in
fast-twitch
fibers
essential
explosive
movements.
also
promotes
shifts
toward
Type
II
hybrid
IIa
fibers,
strength
endurance.
However,
despite
its
effectiveness
boosting
RFD
less
efficient
than
traditional
resistance
training
maximizing
absolute
hypertrophy
due
to
insufficient
progressive
overload.
Integrating
resistance-based
plyometric-based
protocols
emerged
as
an
effective
strategy
enhance
concurrently.
Effective
periodization
recovery
strategies,
including
active
targeted
nutrition,
help
mitigate
fatigue
optimize
adaptations.
Notable
research
gaps
include
the
long-term
impacts
function
efficacy
individualized
based
specific
athlete
characteristics.
Future
should
focus
refining
different
sports,
exploring
synergy
with
training,
assessing
adaptations
sustain
gains.
presents
a
valuable,
time-efficient
complement
conventional
methods
improving
efficiency.
Language: Английский