- Joined
- Jul 23, 2011
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- Age
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With TKR the exercise bike is used for two separate things; stretching and training.
Stretching: Set the saddle as high as you like. The higher it is, the more likely you can complete a full rotation as your knee is bending less. It is perfectly OK to set it so high that your feet aren't really touching the pedals at the bottom of the stroke.
Then you progressively lower the saddle to get greater and greater knee bend.
Keeping zero resistance is correct, this is not training.
Training: There is a correct height. Rule of thumb: sit on the bike with the pedal at its furthest position from the saddle. With your heel on the pedal, your leg should be straight. Then you pedal with the ball of your foot on the pedal and your leg will be slightly bent at the bottom of the pedal stroke.
Some resistance is good. If your knee swells up in the 24 hours after exercise, lower the resistance and decrease the time on the bike.
Stretching: Set the saddle as high as you like. The higher it is, the more likely you can complete a full rotation as your knee is bending less. It is perfectly OK to set it so high that your feet aren't really touching the pedals at the bottom of the stroke.
Then you progressively lower the saddle to get greater and greater knee bend.
Keeping zero resistance is correct, this is not training.
Training: There is a correct height. Rule of thumb: sit on the bike with the pedal at its furthest position from the saddle. With your heel on the pedal, your leg should be straight. Then you pedal with the ball of your foot on the pedal and your leg will be slightly bent at the bottom of the pedal stroke.
Some resistance is good. If your knee swells up in the 24 hours after exercise, lower the resistance and decrease the time on the bike.
