M SERIES COMPUTER OVERVIEW
The M Series computer is a powerful teaching and programming tool. The computer can
RESISTANCE OVERVIEW
The Keiser M3/M3
+
is a revolutionary new way to exercise, with a focus on Power Output.
The understanding of the resistance system can best be described in the explanation of
eddy current resistance and the formula for Power: (Power = Force x Velocity).
An eddy current is an electrical current in a conducting material that results from induction by
a moving or varying magnetic eld. On the M3/M3
+
, this is generated by the wheel passing
through two opposing magnets. The ywheel (a conductor) passes through the magnetic eld
generated by the two powerful magnets. By varying how much of the magnetic eld comes into
contact with the ywheel, the amount of resistance will increase or decrease for the user. This
If the ywheel is in less contact with the magnetic eld, it is easier to operate. The more
of the ywheel that comes in contact with the magnetic eld (the higher the energy that is
being generated with each turn) the more difcult it becomes to operate.
Another major factor that plays a role in resistance is speed. The faster the ywheel turns,
the more energy is generated, and thus the more resistance is created.
Power (amount of work being done in a given amount of time by the participant) = Force
(the amount of resistance) x Velocity (the Cadence the user is striding). This is the same
formula that occurs naturally. By moving faster the difcultly increases as the resistance
increases. The same applies to the M3/M3
+
, at a set Gear the resistance can be increased
or decreased by adjusting the participants speed.
In this way the M3/M3
+
is very similar to natural movement. The higher the Gear, the higher
the Cadence the more Power produced.
Position 4 - Time Trialing
Position 3 - Extended Grip
15
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