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kBox4 manual v9.5
The kBox4 is mobile in comparison to traditional
weights.
Squatting with the kBox4 is equivalent to traditional squats which
would require a barbell and weights up to or beyond 500 lbs (227
kg) for a strong lifter, which is practically impossible to carry around.
In addition, with the kBox4 you don’t need rubber mats or racks.
Furthermore, you do not need spotters to be able to do a 1 RM
(one-repetition maximum). All of this is possible with the kBox4
which weighs about 22 kg (48 lbs) with one flywheel included and it
can be carried and transported easily in an ordinary car. The kBox4
Lite can even be checked in as luggage when flying.
Ergonomics
Mobility
User environment
Pressure on the shoulders and upper back is a limiting
factor for many poeple when performing traditional
barbell squats.
Serious bruising can be seen after heavy sets. Furthermore, the
lumbar spine discs are under a lot of pressure, even if the athlete
has good technique. With tall people, people with a weak core, or
back problems, squatting is almost impossible or accompanied
with a lot of discomfort or pain. With the kBox4, you are able to work
out maximally or closer to maximum intensity since the harness
distributes the pressure over the shoulders and reduces the
pressure and torque on the lumbar spine.
The kBox4 is quieter when training. The area does not
have to be equipped with sound reducing materials.
There is a much lower risk of collision, meaning more people can
work out in a smaller room without the risk of interfering with each
other and causing injuries.
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