I reccomend the Xiser step machine- I had a messed up knee for a while, and it's helping tremendously.. The specific thing I use is at http://www.xiser.com/XiserSlim.html. I'm assuming you have some closed space (office, cubicle, cardboard box) so that no one will think it odd when you use the machine.
Also, you could get a gripper for your hand. I think any sports equipment store should have one.
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I reccomend the Xiser step machine- I had a messed up knee for a while, and it's helping tremendously.. The specific thing I use is at http://www.xiser.com/XiserSlim.html. I'm assuming you have some closed space (office, cubicle, cardboard box) so that no one will think it odd when you use the machine.
Also, you could get a gripper for your hand. I think any sports equipment store should have one.
HTH,
ari