thalia: photo of Chicago skyline (Default)
Thalia ([personal profile] thalia) wrote in [community profile] lifting_heavy_things 2010-04-30 01:33 pm (UTC)

I've always been taught to keep a bit of tension--I don't lock my joints when they're extended, and I don't bring them quite back to the resting position on the negative. But I'm not an expert.

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