EMG and Usability Assessment of Adjustable Stiffness Passive Waist-Assist Exoskeletons for Construction Workers
Jung Sun Kang,
No information about this author
Bo Ra Jeong,
No information about this author
Eung-Pyo Hong
No information about this author
et al.
International Journal of Precision Engineering and Manufacturing,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Aug. 26, 2024
Language: Английский
Comprehensive multi-metric analysis of user experience and performance in adaptive and non-adaptive lower-limb exoskeletons
PLoS ONE,
Journal Year:
2025,
Volume and Issue:
20(1), P. e0313593 - e0313593
Published: Jan. 9, 2025
Among
control
methods
for
robotic
exoskeletons,
biologically
inspired
based
on
central
pattern
generators
(CPGs)
offer
a
promising
approach
to
generate
natural
and
robust
walking
patterns.
Compared
other
approaches,
like
model-based
machine
learning-based
control,
the
provides
robustness
perturbations,
requires
less
computational
power,
does
not
need
system
models
or
large
learning
datasets.
While
it
has
shown
effectiveness,
comprehensive
evaluation
of
its
user
experience
is
lacking.
Thus,
this
study
addressed
gap
by
investigating
performance
state-of-the-art
adaptive
CPG-based
exoskeleton
(intelligent
mode)
under
multi-metric
analysis
(involving
three-dimensional
gait
analysis,
muscle
activity,
oxygen
consumption,
comfort,
scores)
comparing
standard
commercial
(default
mode).
A
cross-over
design
with
randomized
allocation
in
Thai
healthy
independently
adults
ensured
participants
experienced
both
modes.
All
were
assigned
into
two
groups
receive
an
alternate
sequence
intelligent
mode
default
lower-limb
Exo-H3
at
high
normal
speed.
From
eight
participants,
mode-driven
(adaptive
exoskeleton)
showed
significantly
lower
velocity,
stride,
step
lengths
than
(non-adaptive
exoskeleton).
This
setup
increased
anterior
pelvic
tilt
during
mid-swing
speed
(3.69
±
1.77
degrees,
p
=
0.001)
(2.52
1.69
0.004),
hip
flexion
stance
phase
ankle
dorsiflexion,
used
consumption
(-2.03
2.07
ml/kg/min)
when
compared
one.
No
significant
differences
comfort
scores
between
Further
exoskeletal
modification
terms
hardware
still
needed
improve
temporal
spatial,
kinematics,
performance.
Language: Английский
Effect of Wearable Exoskeleton Robots on Muscle Activation and Gait Parameters on a Treadmill: A Randomized Controlled Trial
Healthcare,
Journal Year:
2025,
Volume and Issue:
13(7), P. 700 - 700
Published: March 22, 2025
Background:
Exoskeleton
robots
are
emerging
as
a
transformative
technology
in
healthcare,
rehabilitation,
and
industrial
settings,
providing
significant
benefits
such
improving
gait
restoration
preventing
injuries.
These
enhance
mobility
for
individuals
with
neuromuscular
disorders
by
muscular
assistance
reducing
physical
strain,
while
also
supporting
workers
physically
demanding
tasks.
They
improve
efficiency,
muscle
activation,
overall
function,
contributing
to
both
rehabilitation
occupational
health.
Objective:
This
study
aims
investigate
the
impact
of
exoskeleton
use
on
activation
patterns,
fatigue
levels,
parameters
healthy
individuals.
Methods:
Thirty-six
participants
engaged
randomized
sequence
experiment
treadmill
30
min,
without
an
exoskeleton,
electromyography
(EMG)
OptoGait
measurements
collected
during
sessions.
A
one-week
washout
period
was
implemented
before
switched
conditions.
Results:
In
Maximum
voluntary
contraction
(MVC)
analysis,
differences
were
observed
Rectus
femoris
(RF)
gastrocnemius(GM)
when
wearing
robot
compared
not
it.
At
10
20
statistically
(p
<
0.05)
all
muscles.
RF,
GM,
vastus
medialis
(VM),
hamstring(HS)
at
min
0.05).
step
length
stride
but
no
found
Conclusions:
demonstrates
that
significantly
impacts
fatigue,
parameters.
The
results
emphasize
potential
exoskeletons
enhancing
important
insights
applications.
Language: Английский
Ultra-lightweight robotic hip exoskeleton with anti-phase torque symmetry for enhanced walking efficiency
Scientific Reports,
Journal Year:
2025,
Volume and Issue:
15(1)
Published: March 29, 2025
This
paper
presents
a
novel
robotic
exoskeleton
that
is
exceptionally
lightweight
and
compact,
while
providing
effective
gait
assistance.
To
maximize
the
system's
assistance-to-weight/size
ratio,
design
focuses
on
two
key
aspects
of
human
mechanics:
(1)
contribution
hip
joints
to
power
generation,
(2)
symmetrical
nature
flexion
extension
torques
during
walking.
Based
these
principles,
we
developed
compact
with
single
actuator.
actuator
simultaneously
drives
joint
in
sagittal
plane,
facilitating
both
gait.
An
adaptive
delayed
output
feedback
controller
was
implemented,
ensuring
consistent
performance
across
diverse
walking
conditions
using
rotational
sensor
evaluate
exoskeleton's
effectiveness,
4-week
outdoor
exercise
program
conducted
nine
elderly
participants.
Their
gait,
balance,
muscle
strength
were
measured
before
after
assess
improvements.
Results
showed
significant
improvements
speed
(14.8%
10-m
walk
10.6%
6-min
walk),
as
well
enhanced
timed
up-and-go
test
(24.5%)
short
physical
battery
(18.7%).
Ankle
dorsiflexion
plantar
increased
by
75.45%
45.8%,
respectively.
Additionally,
metabolic
measurements
from
three
young
adults
indicated
13.6
±
3.2%
reduction
net
cost
compared
without
it.
These
results
demonstrate
actuator-based
offers
assistance
maintaining
design,
highlighting
its
potential
for
widespread
use
various
applications.
Language: Английский
A Light Weight Exoskeleton
Caitlin Lee,
No information about this author
Sina Sayyad,
No information about this author
Emily Scremin
No information about this author
et al.
Aging and (Geron) Technology,
Journal Year:
2024,
Volume and Issue:
2(1)
Published: May 4, 2024
The
WIM
exoskeleton
presents
an
innovative,
lightweight,
and
easily
wearable
solution
that
elevates
user
walking
experiences.
With
its
assist
mode
features,
has
been
shown
to
reduce
the
energy
required
walk,
while
exercise
produces
resistance
forces
intensify
or
running
workouts.
Social
determinants
of
health
such
as
economic
stability
community
support,
however,
impact
widespread
use
accessibility
exoskeleton.
intersections
gender,
religion,
geopolitical
factors
further
accessibility.
In
future,
may
be
used
for
industrial
and/or
rescue
workers
enhance
productivity
prevent
injury.
Limitations
device
suggest
comprehensive
studies
are
essential
prior
WIM.
Language: Английский
3D Model of Three Links for Exosuit with a Mobile Pole
Russian Aeronautics,
Journal Year:
2024,
Volume and Issue:
67(3), P. 484 - 496
Published: Sept. 1, 2024
Language: Английский
Feasibility and Effects of a Gait Assistance and Gait Resistance Training Program Using a Walking-Assist Wearable Robot on Community-Dwelling Older Adults: A Single-Group, Pre- and Post-test Design (Preprint)
JMIR mhealth and uhealth,
Journal Year:
2024,
Volume and Issue:
unknown
Published: March 12, 2024
Language: Английский