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Ian Lindridge
Jun 6, 2023, 7:29:11 PM6/6/23
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This is what Mark Stonich of Bikesmith Designs & Fabrication loaned me in order for me to pedal my ICE trike with a nearly immobile left knee (July 7 knee replacement). He asked if I rode this years 3ST; I didn't due to the knee. He said he had a possible fix and he came over Friday and we replaced my original with this. With the pedal at the lowest hole I was able to pedal! I've been out 2x (Monday and Tuesday), 3 miles one day and 5 the next. It's a huge morale boost as I've been unable to pedal since February. I felt Mark's generosity should be mentioned on this site where he's known. He goes oh shucks but a little bit went a long way, thanks Mark.
Ian Lindridge
Woodbury Minnesota
Mark Stonich
Jun 6, 2023, 9:46:42 PM6/6/23
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Thank you for your kind words Ian. But I have an ulterior motive. You and Jane’s brother are my beta testers, as I fine tune the system prior to my own knee replacement. Probably later this summer.
The largest segment of my short crank customers is people who have lost range of motion after knee surgery. It is important to get the knee moving before scar tissue builds up and reduces your range of motion. If you do 100 repetitions of an exercise, that’s heroic. But cycling, you’ll get 1000 reps every 15 minutes. Plus, knee and hip surgeries go much better if you can keep exercising right up to the procedure.
I want you back on your trike, with the rear wheel on rollers, ASAP after the surgery. Starting at the shortest hole, 90mm, and moving the pedals out as your range of motion improves. I made similar cranks for Jane’s brother and put them on an “Under Desk Exercycle” that I modified to have clearance for longer cranks. He got a new knee 20 days ago and today I moved his pedals to the longest hole, 144mm. He’s doing great, usually forgetting to use his cane.
After Jane’s knee replacement, I had her on an exercycle with 90mm cranks the day she came home. Moving to longer cranks as she regained RoM. They told her to quit coming to physical therapy when she could touch her heel to her bottom. After 5 weeks she was on the back of a tandem and on her own bike after 7 weeks. It helped that she rode 9 miles the day before the surgery, collecting milkweed for her Monarch caterpillars.
Many would think that 90mm cranks would be too short to produce any useable power. But I have a customer touring on 85mm and a 6’2” gent using 95s for long distance Brevets.
The largest segment of my short crank customers is people who have lost range of motion after knee surgery. It is important to get the knee moving before scar tissue builds up and reduces your range of motion. If you do 100 repetitions of an exercise, that’s heroic. But cycling, you’ll get 1000 reps every 15 minutes. Plus, knee and hip surgeries go much better if you can keep exercising right up to the procedure.
I want you back on your trike, with the rear wheel on rollers, ASAP after the surgery. Starting at the shortest hole, 90mm, and moving the pedals out as your range of motion improves. I made similar cranks for Jane’s brother and put them on an “Under Desk Exercycle” that I modified to have clearance for longer cranks. He got a new knee 20 days ago and today I moved his pedals to the longest hole, 144mm. He’s doing great, usually forgetting to use his cane.
After Jane’s knee replacement, I had her on an exercycle with 90mm cranks the day she came home. Moving to longer cranks as she regained RoM. They told her to quit coming to physical therapy when she could touch her heel to her bottom. After 5 weeks she was on the back of a tandem and on her own bike after 7 weeks. It helped that she rode 9 miles the day before the surgery, collecting milkweed for her Monarch caterpillars.
Many would think that 90mm cranks would be too short to produce any useable power. But I have a customer touring on 85mm and a 6’2” gent using 95s for long distance Brevets.
Mark Stonich
Bikesmith Design and Fabrication LLC
5349 Elliot Ave
Minneapolis MN USA
Ph. +1 (612) 710-9593
Bikesmith Design and Fabrication LLC
5349 Elliot Ave
Minneapolis MN USA
Ph. +1 (612) 710-9593
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Ian Lindridge
Jun 7, 2023, 12:19:48 AM6/7/23
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I will be out every day. Mileage won't be great, 5+ or more depending on how my knees feel. I try the Rover after each ride and I'm closer to going over the top after only two rides on the ICE. I'm definitely motivated!
Ian
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David Brierley
Jun 7, 2023, 10:03:04 AM6/7/23
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Mark
This is good advice. I don’t need short crank arms now, but who knows what the future will bring for mysel and friends. I will save your information. Good to learn Jane is continuing to improve.
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