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Operating instructions SPIKE adaptive bike
With weak core musculature, the seating
position should normally be chosen so that the
upper body remains still in an upright position
when operating the crank while driving. This is
particularly important if you have low seating
stability due to missing or weak core
musculature. A rocking motion (forwards and
backwards) of the upper body or the head
should be avoided where possible. The height
of the pedal bearing in this case is selected to
be slightly higher (chest height or higher).
Sporty drivers with the appropriate trunk
stability relieve their arm musculature by
moving their trunk at the same time. The height
of the pedal bearing in this case can be
selected to be slightly lower (chest height or
lower).
Figure 10: Elbows are not completely straight, upper
body is in an upright position
Figure 11: Distance between the crank and the thigh
The cranks must not touch the knee or
thigh when they are being turned.
The elbows should not be completely
extended when the crank handles point
completely forward away from the body.
A suitable restraint system must be used if
you have poor seating stability due to a lack of
or weak core musculature. The selection of the
suitable system must be made in conjunction
with your doctor or therapist and / or defined
and implemented by your dealer. There are
various systems available such as chest straps
or four-point safety belts. Also, the dealer can
frequently individually make a system or adapt
one that has been purchased.
17.2.2 Pedal bearing position
A subsequent adjustment of the pedal bearing
position can only be achieved by exchanging
the pedal bearing support, the angle
adjustment possible on the steering head as
well as the length adjustment and the spacing
of the adapter tube on the adaptation points on
the wheelchair frame (see operating
instructions "Adapter & adaptation").
To adjust the height, two M6 clamp screws
(AF 5 mm) must be loosened on the pedal
bearing housing. Then the pedal bearing
housing can be moved along the pedal bearing
support to the correct position. Then tighten up
the four M6 clamp screws (AF 5 mm) to 7 Nm
torque and secure them with thread lock fluid.
12
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