Official Carry Case - Durable Protective Carry Case for 250Hz and 280Hz Gyroscope

I was so impressed with this powerball that I looked up some research, see below. I found their website to be very useful for learning how to use the ball, so if you are having difficulty then watch their videos.Utility of the Powerball in the invigoration of the musculature of the forearm.Balan SA1, Garcia-Elias M.Author informationAbstractIn order to ascertain the utility of a 250 Hz NSD Powerball gyroscope in increasing the maximum grip force and muscular endurance of the forearm, ten adults without pathology in their upper limbs exercised one forearm with the device during a period of one month. We evaluated grip strength and forearm muscle endurance with a Jamar dynamometer both at the end of the month as well as after a resting period of one month. There was a tendency (not statistically significant p = 0.054), for the volunteers to increase their maximum grip strength. There was also highly significant increase in muscle endurance (p = 0.00001), a gain that remained slightly unchanged after the rest. Because the gyroscope generates random multidirectional forces to the forearm, the reactive muscle contraction is likely to stimulate more efficient neuromuscular contro of the wrist, a conclusion which our work appears to validate. The use of Powerball in forearm proprioception deficient patients is, therefore, justified.Effects of eight-week "gyroscopic device" mediated resistance training exercise on participants with impingement syndrome or tennis elbow.Babaei-Mobarakeh M1, Letafatkar A2, Barati AH3, Khosrokiani Z1.Author informationAbstractBACKGROUND:Rehabilitation of injuries in the upper extremity and reestablishment of muscle strength throughout the range of motion in overhead movements, are the major concerns of athletes and coaches in the sports field.PURPOSE:To determine the effect of eight-week "gyroscopic device" mediated resistance training exercise on grip strength, wrist and shoulder strength and proprioception, and upper extremity performance, in participants with impingement syndrome or tennis elbow.DESIGN AND METHODS:For this study, in a university rehabilitation clinic 45 volleyball players (aged 22-28) purposefully were selected and divided into 3 groups: shoulder impingement (group I), tennis elbow (group II), and control (group III). The experimental groups performed the "gyroscopic device" mediated resistance training, three sessions a week over 8 wks. Grip strength, wrist and shoulder strength and proprioception, and upper extremity performance were measured before and after implementation of the intervention (eight-week resistance training using a "gyroscopic device") using a hand hold dynamometer, isokinetic dynamometer, and Y balance test respectively.RESULTS:After 8 weeks of "gyroscopic device" exercise, improvement in the shoulder, wrist and grip strength, shoulder and wrist proprioception and performance scores of both experimental groups was significant. There were no significant differences between study groups I and II, both groups, however, demonstrated significant differences when compared to the control group, but between group I and the control group, and between group II and the control group, the difference was significant. However, no significant change was seen in the control group.CONCLUSIONS:Due to the significant effects of the "gyroscopic device" mediated exercise on grip strength, wrist and shoulder strength and proprioception, and performance of the upper extremity, use of the exercise can be recommended for subjects with impingement syndrome or tennis elbow impairment in measured variables. More research is needed to confirm the result of this study.

A bit difficult to ensuring the spin, take a bit effort but expensive

Solidly made an protects well.

If you're like me and you keep losing the string for your power ball machine then this is handy

Good case for my power ball, zip is easy to use, not stiff, does not stick, nice padding.Price about right when I bought it, £5.99Happy with purchase, would recommend.

Well, what can you say? Powerballs fit within this pouch just fine. A nice snug fit, which, I think is perfect. No rattling or shifting inside. This of course stops it getting polished or scuffed in anyway. This is of course is making sure that there is no particles or rubbish trapped inside the pouch. I also like the zip, which works just fine. I recommend this pouch if you like to look after your Powerball. It also allows the wrist strap or lanyard to poke out at the end of the closure.

THIS POWERBALL CASE, MEASURING 3.252inches ( 8.255cm ) DIAMETER , WAS NEVER GOING TO GET ANYWHERE NEAR THE 5 STARS, FOR ONE SIMPLE REASON. WOULD IT REALLY HAVE BEEN THAT DIFFICULT TO HAVE INCORPORATED A NETTING ACROSS ONE SIDE OF THE INSIDE (LIKE YOU GET IN EARBUD CASES) TO HAVE FACILITATED SPARE STRINGS !? NO !! I DON’T BELIEVE IT WOULD HAVE, BUT NO WITH ALL THERE DESIGNERS THEY DIDN’T THINK OF IT. I THINK THAT IS WHAT YOU CALL A LACK OF COMMON SENSE.

Nice quality, delivered on time.