Yes...Legit....and fun to challenge others with.
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Yes...Legit....and fun to challenge others with.
man I always wanted to try the powerball, I usually use one of those grip-masters for guitarist.
Powerball lets you work the thumb strength and top of forearm muscles much more than hand grippers. Good to use both.
Is the powerball a gyroscopic device? Everything that comes up on an Amazon search is a gyroscopic electronic thing.
Do I just need one?
There are two kinds of grip strength: pulling power and lock-off power; which could also be referred to as dynamic and static. You could also look at this as finger strength and forearm strength. For bjj you want to train static lock offs.
Grip strength trainers train dynamic movement, never fit my hands (too big) and you have to be a bit OCD to use them.
Climbing rope (the thick hemp thing) is effective but shoot-yourself-in-the-face boring.
Climbing plastic is like grappling with a dummy, but at least teaches you movement and how to use your feet a bit.
Actual climbing is your best best but you're already into jiu jitsu. Good idea if your live somewhere like SLC or Boulder where there are rocks nearby.
Climbing buildings is good because they are everywhere (esp. campuses) but aren't easy to learn on, you usually have to show up knowing how to climb.
Hang boards and rock rings are good for gyms and non-climbers but you have to log in a lot of time on another boring device.
Soooo...what do you do if you want to see people tapping from your vice grip before you even bother with a Darce? You build a crack machine and learn how to jam. I'll let you guys google that. If you can learn to camp out on hand jams at 45 degrees your gable grips will be unbreakable.
IMO, you should work hands and forearms at least every other day. While the battle ropes are easily the best workout for them, the rest of your body wont recover as fast. Powerball you can do every day. The thumb strength is where it really gets really valuable. When you grab someone's wrist and they break out of it, its usually because your thumb isn't strong enough, not your fingers.