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DynaFlex Docking Station with Blue Powerball 12075 Strengthening System | 
 enlarge | Brand: Dynaflex
Category: Sports
List Price: $59.95
Buy New: $46.51
You Save: $13.44 (22%)
New (3) from $46.51
Rating:  10 reviews
Sales Rank: 14751
Shipping Weight (lbs): 0.9
Dimensions (in): 4.5 x 4.4 x 3.6
Model: 12075
UPC: 715671000494
EAN: 0715671000494
ASIN: B000W1A83G
Release Date: September 14, 2007
Availability: Usually ships in 1-2 business days
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| Features:
| • | Advanced gyro hand exerciser bundled with gyro docking station | | • | Increases your range of motion and conditions your arm and shoulder muscles | | • | Reaches up to 13,000 rpm and creates 35 pounds of torque resistance | | • | Blue LED lights located in interior; onboard generator and balanced rotor | | • | Docking station activates gryo within seconds; requires 2 AA batteries |
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| Editorial Reviews:
Product Description
Jump start your gyro exerciser and get it up to operating speed in seconds with the DynaFlex PowerDock docking station. Bundled with DynaFlex's Powerball (blue) hand exerciser, the package offers everything you need to increase your range of motion and condition your arm, elbow, and shoulder muscles. The ultimate in engineering design, the Powerball offers the same user-friendly features as the DynaFlex Pro Plus, but incorporates an onboard generator and balanced rotor. By activating the gyro, a dynamism (motion) is created, which will activate blue LED lights that are located in the interior of the gyro. The faster the unit runs, the brighter the lights will radiate until the whole hand is engulfed in a bright glow. More importantly, the Powerball generates 40 pounds of torque and speeds of up to 18,000 rpm, making it an ideal tool for physical therapists, trainers, and athletes who want to improve muscle condition and/or rehabilitate nagging upper body injuries.As a bonus, the removable end cap lets you attach an optional speed meter, making it easy to monitor your exercise time, rpm speeds, and other functions. The PowerDock docking station, meanwhile, both activates your Powerball gyro and serves as a fantastic and modern-looking base to rest your gyro while not in use. Just hold the button for a few seconds and hold on tight. The docking station requires two AA batteries (not included).Product DescriptionWith a push of the button the new PowerDock Docking Station activates the gyroscopic Amber Powerball! As speeds build resistances grows, this powerhouse reaches up to 18,000 RPM with up to 40lbs of gyroscopic force.This model combines our top of the line gyro, the Blue Power Ball with the amazing Docking Station.
Amazon.com Product Description
Jump start your gyro exerciser and get it up to operating speed in seconds with the DynaFlex PowerDock docking station. Bundled with DynaFlex's Powerball (blue) hand exerciser, the package offers everything you need to increase your range of motion and condition your arm, elbow, and shoulder muscles. The ultimate in engineering design, the Powerball offers the same user-friendly features as the DynaFlex Pro Plus, but incorporates an onboard generator and balanced rotor. By activating the gyro, a dynamism (motion) is created, which will activate blue LED lights that are located in the interior of the gyro. The faster the unit runs, the brighter the lights will radiate until the whole hand is engulfed in a bright glow. More importantly, the Powerball generates 40 pounds of torque and speeds of up to 18,000 rpm, making it an ideal tool for physical therapists, trainers, and athletes who want to improve muscle condition and/or rehabilitate nagging upper body injuries. As a bonus, the removable end cap lets you attach an optional speed meter, making it easy to monitor your exercise time, rpm speeds, and other functions. The PowerDock docking station, meanwhile, both activates your Powerball gyro and serves as a fantastic and modern-looking base to rest your gyro while not in use. Just hold the button for a few seconds and hold on tight. The docking station requires two AA batteries (not included).
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| Customer Reviews: Read 5 more reviews...
 Great forearm strengthening August 18, 2008
This provides a great forearm and wrist strenthening exercise perfect for tennis or overall strength, especially if you have tennis elbow and weak wrists.
 It doesn't work May 25, 2008
When I bought I thought I could avoid start power ball manually. Forget this, because it's week and simply doesn't work as purposed.
Great for arm strength and conditioning. May 23, 2008
This item is perfect for me for two reasons:
1) I type very fast and use the computer very often.
2) I'm a tennis player.
I purchased this in September of '07 and have been using it ever since, almost everyday. I bought this with the intent of helping me achieve better arm strength and grip since I play tennis. I have not had tennis elbow or any pain or soreness in my hand,wrist,forearm,etc.
If you do not use proper technique with the string, the tip of the string can easily break off and then you'd have to use the dock or the advanced techniques. The dock is constructed very cheaply IMO. Looks like something someone made in the garage. It is effective though, and the only complaint I have about the dock is that I have to keep buying batteries (so I'd recommend rechargeable batteries, it uses two-AAA).
Don't read some of these reviews on here that say the dock takes forever to start up the ball. It only takes maybe 5-7 seconds to get the ball started up using the dock, which isn't that bad considering it already has a ton of momentum for you to work with.
Also, this isn't just a "toy" like some of the reviewers here have stated. If used properly with the right technique and repetition, you'll be using this thing everyday. I'd definitely recommend it for those who need physical therapy, those who play tennis a lot, and those who use the computer as often as I do.
All in all, I don't have any real complaints about it. I bought my Gyroball from Sharper Image and purchased an extended warranty on it. Don't know if Amazon offers one on their website though. The only reason I gave it 5* despite the criticisms about the dock and string are for the performance and usage of the gyroball itself.
Forget the Dock, just buy the Powerball February 26, 2008
I like my blue Powerball but the Dock is worthless. It is much, much easier to get the ball started with the string. I probably should have gotten the Amber Powerball, since the blue one seems a bit limited. My hand strength is above average but not great. I use Gripmaster Med and Heavy Tension daily.
 PowerBall is excellent, but skip the docking station December 23, 2007
3 out of 3 found this review helpful
The PowerBall provides an excellent workout for the hands and forearms. The accompanying documentation (CD-ROM video) describes additional benefits such as it being a good workout for the biceps, but these claims are laughable overstatements. The PowerBall is well made and I expect it will last a long time. However, the Docking Station is not worth the cost; it is cheaply made and does not work very well. I recommend just getting the PowerBall by itself and using the string to get it started.
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