iWALKFree iWALK 2.0 User manual

Before you start! Is iWALK 2.0 right for you?
Physical Abilities Requirements
Other Requirements
Sizing Limitations Age Limits
• If you cannot perform both of these tests, then iWALK2.0 is not going to
work for you. Please contact us for a return authorization number.
• If youcanperformboth,thencontinuereviewing theremaining requirements.
1. Stair Test
Before your injury, could you uidly walk up and down stairs at
normal speed, without using the hand rail?
• You commit to reading and following all of the instructions in this
manual or in our video tutorials at
www.iwalk-free.com/help
• You're willing to allow 5-20 minutes to allow your body to learn and
adapt to using the iWALK2.0
• Height - You are between 4'10" and 6'6", however, leg length
proportions vary considerably, so if you are under 5'1" and above
6'1" consult our sizing chart on page 3
• You weigh 275lbs (125kg) or less
• Your thigh circumference at the top of your leg is 28" (71cm) or less
2. Balance Test
Can you balance on one foot for at least 30 seconds?
• Before your injury, you could walk normally without assistive devices
• Your injury is below the knee and your uninjured leg is fully functional
• You can bend your injured leg 90 degrees at the knee
If you're over 55, pay careful attention - iWALK2.0 might not work for you.
Physical ability is more important than how old you are. And it varies from
person to person, especially as we age.
So regardless of your age, if you do not meet ALL the requirements listed above,
then iWALK2.0 isn't going to work for you.
If you meet the requirements listed above, iWALK2.0 will work for you.
More details on qualications can be found at http://www.iwalk-free.com/hands-free-crutches/how-to-use/

iWALK 2.0 SIZE CHART - based on user's height
iWALK 2.0 SIZE CHART - based on user's leg length
If your height falls into either of the blue sections in the chart on the left, there’s a
95% or greater chance the iWALK2.0 will t you, but before you buy, conrm it will
t using the Leg Length Chart below.
Measure both upper and lower leg as shown. If you fall within the ranges shown,
iWALK2.0 will t you, no matter what your height is.
Still not sure?
If you are not certain that iWALK2.0
is right for you, contact our technical
support at 562 653-4222 or e-mail
your inquiry to [e-mail]
5’1” to 6’1”4’10”to 5’1” 6’1” to 6’6”
155.0 cm to 185.5 cm
The iWALK2.0 will t you.
Review the Leg
Length Diagram
below.
Review the Leg
Length Diagram
below.
147.5 cm to 155.0 cm 185.5 cm to 198.0 cm
Leg Length
(Crotch to
floor)
Upper Leg Length
Lower Leg Length
min 12.00” (30.5 cm)
max 18.00” (46.0 cm)
min 25.75”
(65.5 cm)
max 38.00”
(96.5 cm)
min 13.75” (35.0 cm)
max 20.00” (51.0 cm)
Side Front
IWALK 2.0 LEG LENGTH DIAGRAM
• More info about sizing
• Why do Upper and Lower leg
lengths matter?
• iWALK2.0 Capacities
• Potential Knee Comfort Issues
Extra links:

LEARN TO USE YOUR iWALK 2.0 IN
3 EASY STEPS
ASSEMBLY
FITTING
USE
Repackaging
1
2
3
5 to 7
8 to 17
18 to 25
26 to 30
Index 4

STEP 1
With the Handle facing forward, insert the Upper Assembly tubes
into the sockets of the Knee Platform.
Push down rmly on the
Handle to make sure both
tubes are fully bottomed out
in the sockets. You may have
to pull down on the left side
tube in order for it to reach the
bottom.
Make sure that the holes at
the bottom of the tubes align
with the holes in the side of
the Knee Platform.You may
need to pull down and/or rotate
the left side tube for it to align.
WARNING – do not
continue with assem-
bly unless both left and
right side holes have
aligned.
Assembly
Instructions
WANT TO LEARN FASTER? View our instructional video on how
to assemble your iWALK2.0 at www.iwalk-free.com/help
Assembly 5
Upper Assembly Lower Assembly
3. Handle
2. Thumb Screws
12. Knee Platform
13. Calf Strap Mount
14. Height Adjustment
Spring – Lower
5. Height
Adjustment
Spring – Upper
4. Nut (underside
thigh support)
15. Foot
7. Support Tubes
8. Clamp
8a. Clamp Bolt
8b. Clamp Nut
9. Thigh Strap
1. Thigh Support
6. Gate Strap
10. Knee Strap
11. Calf Strap

STEP 3
STEP 2
Attach the Lower Assembly to the Knee
Platform by pressing in the spring head
at the top of the Lower Assembly tube
and inserting the tube into the socket
of the Knee Platform. Grasping the tube,
pull down forcibly to insure that the two
parts are securely locked together.
A) Identify the Right side Support Tube by the small“R” stamped near the top.
B) While pushing down on the Upper Assembly tube , press in the silver spring head and insert the
Support Tube into the bottom of the Knee Platform socket until the spring head engages in the
holes of the Upper Assembly tube AND the Knee Platform. All three must be locked together.
C) Test the connection by rmly grasping the Upper Assembly tube with one hand and the Support
Tube with the other and forcibly try to pull them apart. If you cannot pull them apart, you have
assembled the three components correctly.
D) Insert the Left side Support Tube using the same procedures. You may need to rotate the tube
in order to align the hole.
CBA
WARNING – Aggressively test both connections (left and right). If the Support Tube, Knee
Platform and Upper Assembly tubes are not locked together, instability and injury can result.
Assembly 6

STEP 4 STEP 5
Insert the Thumb Screw into the slot on either side of the top of the Handle. Align
the hole in the top of the Thigh Support with the threaded end of the Thumb Screw.
Thread theThumb Screw into the nut located on the underside of theThigh Support
(you can see it from underneath). Do not fully tighten yet, you should be able to
rotate the Thigh Supports in and out.
Note – If the Thumb Screw will not fully tighten, check the underside of the
Thigh Support and make sure there is a silver nut nested in the hex shaped
cavity. Be careful not to accidentally push this nut out when pushing the
Thumb Screw down.
If you lose the nut, don’t panic – you can call us for a replacement or nd one at a
local hardware store. The specication is M5 x .8 (metric, 5mm, .8 pitch)
Note – Clamp should be centered between the
Support Tube ends. Realign if necessary using
a screwdriver or similar.
The Clamp should be
positioned between
the at ends of the
Support Tubes. If
not, you can remove
the Support Tube
and reinstall. Gently
push on the ends of
the Support Tubes
to align the holes
with the hole on the
Clamp, then insert
the Clamp Bolt and
secure with the Clamp Nut. Do not tighten yet.
Thumb
Screw
Nut
Assembly 7

STEP 1
Fitting
Instructions
Make sure that Thigh Supports can rotate
freely. If necessary, loosen Thumb Screws.
Proper t is essential!But it’s also easy. Get these three things right and you’ll be
iWALKing in minutes. We’ll show you how.
Height
Adjust both the upper
and lower section of the
crutch to the correct
height.
Tight
For control and stability,
you want the straps tight!
Really, really tight!
Vertical Alignment
Essential for quick
learning, and often
overlooked, the vertical
angle controls where the
foot will be positioned.
WANT TO LEARN FASTER? View our instructional video on how to
t your iWALK2.0 at www.iwalk-free.com/help
Fitting 8

STEP 2
Foot Positioning (for Left or Right) - Position the Foot so that
the curved edge is toward the outside of your leg. To reposition
the foot,
1. Loosen the Clamp Bolt.
2. Press in the height adjustment springs as shown below.
3. Continue pressing; simultaneously grasp and rotate the Foot
180 degrees until the spring heads pop out of the adjustment
holes.
Note - The Foot and lower tube will rotate . The upper
tube stays stationary.
Right Foot
Incorrect Correct
Incorrect Correct
Left Foot
Improper orientation of the Foot causes instability which
could result in a fall and/or injury.
Loosen Clamp Bolt rst
180˚
Fitting 9

STEP 3
Lower Leg Height Adjustment - The“V”at the back of the Knee Platform
should align with a point ½” – 1” below the bottom of your kneecap.
This will result in your iWALK leg being slightly shorter than your human
leg. If in doubt about the correct height setting, it’s better to adjust the
crutch slightly too low than too high.
To adjust the height:
A) Loosen the Clamp Nut and Bolt.
B) Press in the two silver spring heads. Grasp the Foot and rotate slightly
back and forth while pulling or pushing to the desired length. When
both spring heads are fully engaged in their new position, tighten the
Clamp Nut and Bolt.
C) Conrm correct height setting before proceeding.
Note – After you gain basic prociency, you will readjust the lower leg height
to achieve equal leg length.
Before putting
weight on the
crutch, make
certain that both spring
heads are fully engaged
(“popped out”) in the
adjustment holes. Then
tighten the Clamp Bolt.
Failure to do so could
result in a fall and / or
injury.
A B C
Loosen
Clamp Bolt
Fitting 10

STEP 4 STEP 5
Grasping the Handle, kneel on the crutch with the
crutch Foot and your human foot side by side, shoulder
width apart.
Upper Leg Height Adjustment
Press the push button spring head
and pull up on the Handle until
the Thigh Supports are as high as
possible on your leg. Make sure the
spring head pops all the way out of
the hole to lock in your setting.
Note – If the spring head will not pop
out, twist the Handle back and forth
until it engages fully.
Positioning the Thigh Supports lower than the top of the leg will reduce
stability and eciency.
Shoulder width
1. The goal is to position the crutch Foot
where your human foot would normally
be.
2. Most people will automatically shift their weight
to their good leg, so you need to continually monitor
this. Keep your weight evenly distributed on both
legs.
On a hard, level
surface, grasping
the Handle
and correctly
positioned with
feet side by
side, shoulder
width apart,
kneel on
the crutch
so that you
have equal weight
on both legs. The
crutch should
automatically
assume a slight
outward tilt. WEIGHT DISTRIBUTION
50% 50%
CORRECT INCORRECT
X
Fitting 11

STEP 6
Positioning the Crutch
Position your knee as far forward as possible, and move the
Handle laterally across your leg to help achieve the correct
angle. Remember to keep 50/50 weight distribution during
this step.
When properly tted, the crutch should be angled slightly outward as shown below. Achieving the correct angle is automatic if you
follow our instructions. The goal is to position the crutch so that the crutch Foot is located where your human foot would normally
be. Once you have the crutch at the correct angle, hold this position and proceed to Step 7.
CORRECT
Slight outward angle
INCORRECT
Outward angle
INCORRECT
Inward angle
INCORRECT
No angle
XXX
Fitting 12

STEP 7
Note - Thigh Support adjustment aects both sizing and vertical alignment of the crutch. If you are straight legged, adjust your Thigh
Supports symmetrically. If you are Valgus (knock kneed) or Varus (bow legged), you will adjust the Thigh Supports asymmetrically to
tilt the crutch in the proper direction. Correct vertical alignment is essential to the crutch working correctly.
VARUS BOW LEGGEDVALGUS KNOCK KNEED
Thigh Supports Adjustment
A) Rotate INNER Thigh Support until it
contacts your thigh, then rotate it another
inch or so. Lock it down securely using the
Thumb Screw.
B) Rotate the OUTER Thigh Support until
it contacts your outer thigh. Lock it down
securely with the Thumb Screw.
AB
USER'S
THIGH
USER'S
THIGH
I
n
n
e
r
t
h
i
g
h
O
u
t
e
r
t
h
i
g
h
Example shows adjustment sequence for Right leg
USER’S
THIGH
STRAIGHT LEG
Fitting 13

Straps Adjustment
Before you adjust the straps, you need to understand how they work.
There are two distinct sections. The Length Adjustment section and the Tighten/ Loosen section. See details below.
Tighten / Loosen Section
This section has GRAY buckles on either end. Used
only for TIGHTENING and LOOSENING of the strap.
TIGHTEN FULLY to achieve maximum strap tension
before using the crutch.
LOOSEN for easy buckle removal (when taking the
crutch o).
Length Adjustment Section
This section has BLACK buckles on either end.
Used only for adjusting the length of the strap to t your leg
circumference.
Not used for nal tightening of the strap. For this, use TIGHTEN and
LOOSEN section at right.
To shorten or tighten the
Strap, pull on the end of the
strap as shown above.
To lengthen or release the
Strap, lift up on the end of
the buckle.
Fitting 14

STEP 8
As far back as possible
Strap Installation
Before installing the Straps extend both the LENGTH
ADJUSTMENT and the TIGHTEN LOOSEN sections to their
maximum length.
Dierent Buckle Types
T Lock Buckles are located at the ends of the Straps. They
are used to attach the Straps to the crutch.
Tensionlock Buckles are used to adjust the length (and
tension) of the Straps. Each Strap has two T Lock buckles
and two Tensionlock buckles.
C) Lock the buckles as shown at far right.
T Lock Buckles Tensionlock Buckles
B) Install the black T Lock buckles onto the crutch on the
inner leg side as shown at right. Do not install the gray
buckles yet. Leave the Straps hanging for now.
A) Slide the Strap mounts to the back of the Knee Platform.
Strap mounts can slide forward if alternate positioning is
needed.
Left
Foot
Right
Foot
CB
A
Fitting 15

STEP 9
A) Position your leg on the Knee Platform.
Make certain you are as far forward as
possible. Drape the Strap over the back of
your knee and fasten the Gray buckle onto
the Knee Platform.
B) Adjust the length of the strap by pulling
on the end of the LENGTH ADJUSTMENT
SECTION. Pull until the strap is snug, but
not fully tensioned.
C) Fully tension the strap using the
TIGHTEN / LOOSEN SECTION. Pull on
the tail of the webbing until the Strap is
extremely tight.
Hint - if you can slip a nger under the
strap, it's too loose.
If you cannot achieve the required tension,
loosen the TIGHTEN / LOOSEN section (lift
up on the end of the tensionlock buckle),
then shorten the length using the LENGTH
ADJUSTMENT SECTION, then re-tighten
using TIGHTEN / LOOSEN section.
D) Repeat for upper thigh Strap and calf
Strap. Reposition strap pads if needed.
When we say tight, we mean it.
Seriously, tighten those straps
down. If they're not super tight,
don't even use the crutch. Properly
tightened straps make it so much easier
to learn and use the iWALK2.0. The goal
is to make the crutch an integral part of
your leg.
Strap Adjustment and Tightening
ABC D
Fitting 16

STEP 10
To remove the crutch, you need to loosen the Straps rst. Starting with the calf Strap,
lift the lip of the Gray Tensionlock buckle. This will loosen the Strap enough that you
can push forward on the Gray T Lock buckle. Next, do the upper thigh Strap, and do
the knee Strap last.
To remove the crutch, (A) lift
up on the buckles as shown
to release Strap tension, then
(B) push forward on the T Lock
buckle to release from the crutch.
Fitting 17

Fit
Pre-iWALK safety check list:
Proper t is ESSENTIAL.
1. Height – You want the height to be correct. See steps 5
through 7 in the Fitting section
2. Tight – Eliminate all unwanted movement of the crutch by
making sure that all three straps are extremely tight. See
steps 8 and 9 in the Fitting section of this manual.
3. Vertical Alignment - Correct vertical alignment of the crutch
to match your leg type is essential. Correct alignment will
place the crutch foot approximately where your human foot
would normally be. This provides you with a natural, familiar
balancing point. Review step 6 in the Fitting section to
ensure that you have made the correct adjustments.
4. Your want the iWALK Foot positioned approximately where
your human foot would have been. See Step 5 in the Fitting
section.
If properly tted, learning to walk with your iWALK2.0 is easier than you think, provided that you follow our instructions. People learn at
dierent rates – some people can walk in the rst couple minutes, but others can take longer. It’s important that you are willing to spend up
to thirty minutes to allow yourself to adapt to the device.
Use
Instructions
Height Tight Vertical Alignment
WANT TO LEARN FASTER? View our instructional video on how to
use your iWALK2.0 at www.iwalk-free.com/help
Use 18

Weight distribution
A
B50% 50%
Environment
Starting Position
Walk As Normal As Possible
Find a hard, level surface that allows you to walk in a
straight line for as far as possible. There should be no
obstacles to navigate. Avoid uneven surfaces or padded
carpetswhenlearning. Anidealenvironmentwouldallow
you to take at least 20 steps before turning. A hallway
or long balcony are examples of good environments for
learning to iWALK.
Before you start walking, you always want to be in the
starting position, which is:
A) Feet side by side, approximately shoulder width apart
B) Weight EVENLY DISTRIBUTED between your human leg
and your iWALK leg. This is essential for normal balance
and control.
The iWALK 2.0 is easy to learn and very ecient because
it uses most of the natural instincts you already use for
walking. The more you try to walk normally, the better it
will work. The adaptation from normal gait to iWALK gait
is minor, so your body already knows how to walk on it.
Try not to over adapt or over think it.
X
Use 19

How To Avoid the Common Mistakes
1. Look up. A human head weighs over ten pounds,
so rocking it forward to watch the ground throws
o your natural balance. Also, you don’t normally
look down while walking, so don’t do that when
iWALKing. Hint - look at an object in the distance
and keep your eyes locked on it.
2. Commit your weight to the crutch. When you
are bringing your good foot from back to front
(swing gait), all of your weight will be on your
iWALK crutch. Most beginners rush to get their
good foot back down, but this makes it harder to
learn. Trust the crutch, commit all your weight to
it, just as you would your normal leg.
3. Maintain forward momentum. When we walk,
we put our body mass in front of our feet. We’re
actually falling forward, but we don’t fall because
we instinctively catch ourselves by stepping for-
ward. The iWALK crutch exploits these instincts.
If you don’t commit to moving your body for-
ward, ahead of your feet, you can’t walk.
Before You Start:
Foot Mass
1
2 3
X
Use 20