cereta: Talia from the cover of "The Stepsister Scheme" (Talia)
Lucy ([personal profile] cereta) wrote in [community profile] lifting_heavy_things2010-07-16 10:55 am
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rydra_wong: stick figure on an indoor climbing wall -- base image taken from the webcomic xkcd (climbing -- xkcd)

[personal profile] rydra_wong 2010-07-17 11:07 am (UTC)(link)
Yoga mats provide a pretty decent non-slip surface, though I've managed to slip on them when I'm sweating very heavily.

Or you could try chalk (climbers/gymnasts' chalk, not the blackboard kind).

ETA: Apparently some gyms (not climbing gyms, obviously) don't allow chalk, so if your planks are not being done at home you may need to check.
Edited 2010-07-17 12:40 (UTC)
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