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Get stronger with the Black Diamond Forearm Trainer.

Though Black Diamond's Forearm Trainer looks like a dog chew toy, it works surprisingly well at giving you a good forearm pump when you can't go climbing. Stash the Forearm Trainer in your desk at work or at home. Keep your arm strength up by squeezing it with each hand until you have good Coke bottle forearms, and you can barely type on your keyboard.

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Black Diamond Forearm Trainer

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Here's what others have to say...

5 5

S. Wong

Member since 
  • Gender: Male
  • Familiarity: I've put it through the wringer

I got this to help warm my fingers up while slowly recovering from multiple pulley injuries. They weren't tears, but at the time I couldn't put a lot of weight on my fingers, and having this to help bring blood into my fingers made a big difference before pulling on any plastic or rock. Never underestimate a good warm up.

5 5

Danny M H

Member since 

Great for staying awake and alert in lectures. Its harder to get pumped using this than climbing because its not as fun but definitely a good time killer.

5 5

sarahsuewho

Member since 
  • Gender: Female
  • Familiarity: I've used it several times

This product is a great way to get a quick pump in where ever you are. I'll pull it out while I am sitting in traffic or when I get some down time at work.

5 5

Joseph C. Boysha

Member since 
  • Gender: Male
  • Familiarity: I've put it through the wringer

I don't climb as often as I would like, and sitting at a desk on a computer doesn't always exercise the muscles you really need on the rocks. So I picked one of these up and I use it whenever I have time or a free hand. I just keep it on my desk and run through some pretty basic exercises.

It's probably the best thing I could have done for my arm fitness.

5 5

martini_asciutto

Member since 
Groups:

Not the most difficult strength device out there, but if you do lot's of reps or try just using finger tips it is much harder.

5 5

Emerson Takahashi

Member since 
Groups:

Works just like it's advertised. Hold it and squeeze.
Mine is stashed in the passenger seat in my girlfriends car to so I can relieve my stress from her driving.
Also, nice way to warm up your forearms on the way to the crag/boulders/fight club.
Builds your strength enough to open those hard to twist Smirnoff Ice bottle caps after that tough day keeping your dog from walking underneath falling climbers

5 5

PearlJamPSU

Member since 

Works well, maintains decent but not super hard resistance, doesn't crack or break, and is convenient. I like it so much I just ordered a second one.

5 5

Casey Glaubman

Member since 
Groups:

i use the red one of these puppies at work an it feels great if i find myself typing for an extended period. muscles starting to cramp a bit? take a quick break and squeeze this thing a bit. feels much better as well as giving a bit of a workout if you use it for a while.

3 5

Alexander  Kessler

Member since 

These fit well in your hands and work alot of muscle in the fingers but i just wish they were a little harder to squeeze ... i take it to class and work but i find its hard to get really pumped off this, but its something more than nothing and it helps keep consistant on the wall. All and all it dose what it says it dose.

5 5

Thomas Ogasawara

Member since 

This thing works and doesn't break.
It doesn't offer a ton of resistance, but if you hold it with your fingertips you can get a good pump going pretty fast.

5 5

Jeff Chrisler

Member since 

For it's cost, you can't beat this thing. I use it at work and in the car for a good pump. I either do reps or time- diamond intervals 30 seconds on, 30 seconds off... 40 seconds on, 40 seconds off... up and back down again. The only thing that's hard to do is opposition training where you are flexing your hands and fingers outward. You can put your fingers inside the ring to do that if they are small enough, but I'd highly suggest doing finger extension exercises in a bowl of rice (you can find vids on this) to prevent injury.

5 5

Jeffery Andreason

Member since 

This thing ROCKS! I keep it in the car and play around with it every time I drive. It's great for those days when you just need to feel the burn, or for a nice warm-up on your way up the canyon. My only wish is that BackCountry would carry the other strength levels. This is the easiest and it would be nice to be able to push myself a little harder.

Bottom Line: figure-four out of the cave without worrying about crushing your skull.

4 5

brent

Member since 

I used this thing and the stiffer 40lb? resistance one. I ended up favoring the harder resistance anytime I only had a single hand, but whenever I had 2 free hands I'd use both and alternate as one arm became pumped from the extra resistance.

Overall very functional, smells likea rubber doggy toy, people WILL think it's a rubber doggie toy, and it works for finger and forearm strength.

My only gripe is that after about 3 months of consistant use (mostly at work 8-5pm) the harder resistance ring snapped in half . . . which was a bummer. I still have the lower resistance ring and use it to warm up when heading out to a climb, better then warming up on your first lead of the day ;)

Worth trying, but takes some getting used to (use fingertips) with the positioning. Less technical than other alternatives, but it won't last forever if you actually use it.

3 5

cbarber8301

Member since 

If you're new to climbing this device will help build those much needed forearm muscles. However if you're an avid climber looking for an edge, I'd recommen something with a little more resistance

5 5

Jeff Guest

Member since 
Groups:

This is a super simple hand strengthening ring that really does work! All you do is squeeze it and work out those climbing hands/fingers/forearms. There's not much else to say about this.

4 5

Annie Naylor

Member since 
Groups:

Great device to keep at your desk, in your car, etc. It does what it says- trains your forearms and fingers. It softens up a lot after a couple weeks of use.

4 5

Annie Naylor

Member since 
Groups:

Great device to keep at your desk, in your car, etc. It does what it says- trains your forearms and fingers. It softens up a lot after a couple weeks of use.

5 5

Tim_118881572706

Member since 

This thing is simple, and does what it is supposed to do. For the price, you can't go wrong; and it keeps you occupied at work.

5 5

Jeff Foster

Member since 

I started with a pretty weak grip, having not climbed for about 20 years. I started using this in the car and at work, and after just a few weeks, my grip started getting stronger. Once I had the strength, I went for endurance with this thing. Get some chalk on it so the hairs on the back of your neck don't react to the overly rubbery feel.

Had to let go of it to type this review with both hands. No lie.

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