|Any one heard of a Power Crank?||flipflop|
Jul 15, 2003 9:53 AM
|Someone told me they used a "Power Crank" (I think that's what he said it was) in training. The crank arms aren't locked in at 180°. They force you to pull up and over as well as push down on the pedals. Has any one else heard of this, and were can you get one? All he told me was it cost around $800.|
Jul 15, 2003 10:41 AM
They had a review of them there a while back.
|Power Cranks, another silly idea.||MR_GRUMPY|
Jul 15, 2003 11:07 AM
|You can get the same results by spending $700 on some Campy Carbon cranks and flushing the other $100 down the toilet.|
|re: Any one heard of a Power Crank?||brider|
Jul 15, 2003 2:10 PM
|Probably of more benefit to triathletes who need to run off the bike. Several people have found benefit on the TNO board, including one former critic/cynic who was given the chance to test them out for free (not me). The situation was that Frank Day was frequenting the board, touting his product (he is the guy behind Power Cranks). This guy (who goes by the handle TTN for "Tim the Nurse") was constantly getting into rows with Frank about the spotty science behind the product. Finally, Frank just say "okay, I'll let you try them out for free, and if you use them as I instruct you and see no benefit, I'll take them off your hands. If you see benefit, then buy them." Well, TTN ended up buying them, and is a total convert.
BTW -- this is just my observations from the TNO board. I have no interest in Power Cranks, don't use them myself, and don't personally know Frank Day or TTN.
|what's the TNO board? nm||CritLover|
Jul 15, 2003 10:09 PM
Jul 16, 2003 9:14 AM
|A triathlon site geared towards new folks. I frequent the forum there.|
|Here's the real scoop... kinda long||superdog|
Jul 18, 2003 10:48 PM
|First, I've used them for almost three years so I have some personal experience. Second, people that comment about Powercranks rarely ever discuss the real issues concerning this product.
Powercranks are designed to do one thing, develop your hip flexors, and they perform this task exceptionally well. This is a fact. There are some special circumstances where a select group of athletes will not see dramatic hip flexor strength improvement because they have already targeted that muscle group.
Since Powercranks work by making you do isolated leg drills all the time, they target your hip flexors.
The real questions which are rarely debated are:
1. Is it worth $800 to have a piece of equipment make you do isolated leg drills all the time?
2. Is it a bad thing to be doing isolated leg drills all the time? Every single pedal stroke of every training ride or even every race?
3. Will having stronger hip flexors make you a better cyclist/racer?
4. Is it bad to have a pedal technique where you apply torque to the drive system for the entire 360 degrees of rotation?
Item 1 is a personal choice. Items 2, 3 and 4 could probably be debated and would require a study to come up with a difinitive answer.
This is really what it boils down to. I looked long and hard at this product before I purchased and this is what it came down to.
As far as my personal experience goes, I thought it was worth the $800 for these reasons: I started cycling in my late 30's and I didn't have years to develop my pedal stroke. I needed to do it fast.
You have to think about what you are doing when performing traditional isolated leg drills or even just concentrating on pulling up on the back stroke. You have to remember to do it. With PCs you don't have to remember anything. If you don't pedal properly, you feet will go out of sync and you will freak out. And so will people watching you.
And answer this... how do you do isolated leg drills on standard cranks pedaling out of the saddle going up a hill? Huh? What do you do with that other leg that's clipped out?
One thing PCs will do for you that isolated leg drills won't do is make proper pedaling technique a subconscious task. It will make it automatic. How many times have you worked on pulling up on your back stroke and then stopped concentrating and found yourself not doing it? That can't happen with PCs.
The other benefit is that if you really want to take isolated leg drills to the max and do two or three hours of drills on each leg, that's four to six hours of drills. With the PCs, you can do both legs at the same time.
The PCs are a superior method of achieving stronger hip flexors than tradidional isolated leg drills for the reasons listed above.
Before I started using PCs I was riding 210 miles a week. After I put them on I could not ride five miles. It took me a year to build my hip flexors up to where I could ride 100 miles in a single ride. You can't tell me that didn't build my hip flexors. It also affected muscles in my shins.
My times for various courses have dropped a lot since training with them.
Again, what it boils down to is whether or not having stronger hip flexors will make you a better racer. I can't answer that question for you but I believe it made me better. Doing isolated leg drills will work your hip flexors but you won't see as much benefit in as short a time as the PCs.
There a a few other things you can do with PCs that you can't do with isolated leg drills but I have to stop. This may sound like jibberish because it's after midnight and I have to get up at 5:00 am to ride. If you really want to know more you can email me at awcravens at yahoo dot com. Nope, I am not in any way connected with the powercranks company.